Dragon Tyrant (Card)

Dragon Tyrant
In 1395 decks 0% of 1892165 decks
Joseph Megill
Mar 14, 2022
Ranking Every Battlecruiser Card (8 CMC+) with EDHREC – Part 11: It's George!
Ranking every Battlecruiser card in EDH using EDHREC!
Bernardo Melibeu
Aug 7, 2019
Epic Experiment - Protean Hulk
Can we break Protean Hulk in a new way?
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Top Commanders (8)
Zirilan of the Claw
41.82% of 605 decks 253 decks
Scion of the Ur-Dragon
13.01% of 2705 decks 352 decks
Ilharg, the Raze-Boar
7.71% of 921 decks 71 decks
Purphoros, Bronze-Blooded
6.68% of 1377 decks 92 decks
Feldon of the Third Path
3.35% of 2000 decks 67 decks
The Beamtown Bullies
1.76% of 5008 decks 88 decks
Magda, Brazen Outlaw
0.38% of 9506 decks 36 decks
Kaalia of the Vast
0.32% of 15836 decks 51 decks
New Cards (5)
Demand Answers
45% of 62 decks +39% synergy
Hell to Pay
44% of 9 decks +40% synergy
Magda, the Hoardmaster
44% of 9 decks +40% synergy
Commercial District
38% of 16 decks +33% synergy
Incinerator of the Guilty
34% of 86 decks +33% synergy
High Synergy Cards (10)
Silumgar, the Drifting Death
63% of 409 decks +63% synergy
Atarka, World Render
58% of 595 decks +57% synergy
Teneb, the Harvester
56% of 402 decks +55% synergy
Nicol Bolas
50% of 420 decks +50% synergy
Bladewing the Risen
49% of 658 decks +49% synergy
The Ur-Dragon
48% of 384 decks +48% synergy
Crux of Fate
48% of 632 decks +47% synergy
Miirym, Sentinel Wyrm
48% of 307 decks +47% synergy
Balefire Dragon
47% of 1358 decks +45% synergy
Utvara Hellkite
45% of 1355 decks +44% synergy
Top Cards (10)
Farseek
52% of 604 decks +37% synergy
Cultivate
48% of 604 decks +25% synergy
Blast-Furnace Hellkite
44% of 653 decks +44% synergy
Lightning Greaves
43% of 1366 decks +18% synergy
Temur Ascendancy
43% of 405 decks +41% synergy
Dragon Mage
43% of 1395 decks +42% synergy
Hellkite Tyrant
43% of 1354 decks +40% synergy
Steel Hellkite
41% of 1365 decks +39% synergy
Animate Dead
41% of 658 decks +36% synergy
Swords to Plowshares
40% of 484 decks +11% synergy
Creatures (50)
Ancient Silver Dragon
40% of 337 decks +38% synergy
Dragonlord Dromoka
39% of 403 decks +38% synergy
Drakuseth, Maw of Flames
39% of 1298 decks +37% synergy
Rivaz of the Claw
38% of 327 decks +37% synergy
Ancient Brass Dragon
36% of 418 decks +35% synergy
Birds of Paradise
36% of 611 decks +24% synergy
Savage Ventmaw
36% of 593 decks +34% synergy
Karrthus, Tyrant of Jund
36% of 522 decks +35% synergy
Skithiryx, the Blight Dragon
34% of 641 decks +33% synergy
Ancient Copper Dragon
34% of 1017 decks +31% synergy
Lathliss, Dragon Queen
32% of 1317 decks +31% synergy
Cavern-Hoard Dragon
31% of 322 decks +29% synergy
Scourge of Valkas
31% of 1352 decks +29% synergy
Scourge of the Throne
31% of 1351 decks +30% synergy
Old Gnawbone
31% of 530 decks +28% synergy
Terror of the Peaks
29% of 1265 decks +27% synergy
Ignoble Hierarch
28% of 462 decks +26% synergy
Hellkite Overlord
28% of 522 decks +28% synergy
Bogardan Hellkite
27% of 1365 decks +27% synergy
Terror of Mount Velus
27% of 1279 decks +26% synergy
Moltensteel Dragon
26% of 1363 decks +26% synergy
Tyrant's Familiar
26% of 1350 decks +26% synergy
Dragonspeaker Shaman
26% of 1395 decks +25% synergy
Ancient Gold Dragon
26% of 336 decks +25% synergy
Dragonlord Ojutai
26% of 393 decks +25% synergy
Roaming Throne
24% of 129 decks +7% synergy
Worldgorger Dragon
24% of 1395 decks +24% synergy
Hellkite Charger
23% of 1365 decks +22% synergy
Sarkhan, Soul Aflame
22% of 102 decks +21% synergy
Rith, Liberated Primeval
21% of 211 decks +20% synergy
Delighted Halfling
20% of 126 decks +13% synergy
Solemn Simulacrum
20% of 1366 decks +5% synergy
Wrathful Red Dragon
20% of 1017 decks +18% synergy
Spawn of Thraxes
20% of 1352 decks +19% synergy
Quicksilver Dragon
19% of 463 decks +19% synergy
Earthquake Dragon
19% of 433 decks +19% synergy
Hoarding Dragon
19% of 1365 decks +19% synergy
Decadent Dragon
19% of 64 decks +17% synergy
Two-Headed Hellkite
19% of 221 decks +18% synergy
Piru, the Volatile
18% of 400 decks +18% synergy
Knollspine Dragon
18% of 1365 decks +17% synergy
Trumpeting Carnosaur
18% of 129 decks +15% synergy
Dragonlord's Servant
18% of 1345 decks +16% synergy
Goldspan Dragon
18% of 1242 decks +14% synergy
Niv-Mizzet, the Firemind
17% of 459 decks +16% synergy
Sakura-Tribe Elder
17% of 604 decks +8% synergy
Dromoka, the Eternal
17% of 405 decks +17% synergy
Thunder Dragon
16% of 1395 decks +16% synergy
Thrakkus the Butcher
16% of 435 decks +15% synergy
Intet, the Dreamer
16% of 411 decks +16% synergy
Instants (50)
Chaos Warp
39% of 1358 decks +23% synergy
Cyclonic Rift
25% of 453 decks +11% synergy
Brainstorm
24% of 463 decks +12% synergy
Path to Exile
24% of 483 decks +4% synergy
Assassin's Trophy
23% of 493 decks +17% synergy
Anguished Unmaking
23% of 445 decks +18% synergy
Beast Within
23% of 603 decks +4% synergy
Thrill of Possibility
22% of 1296 decks +17% synergy
Terminate
21% of 658 decks +16% synergy
Counterspell
20% of 463 decks -1% synergy
Vampiric Tutor
19% of 658 decks +10% synergy
Seething Song
19% of 1366 decks +16% synergy
Valakut Awakening
17% of 1261 decks +13% synergy
Deflecting Swat
16% of 1270 decks +9% synergy
Zoyowa's Justice
16% of 149 decks +15% synergy
Heroic Intervention
16% of 585 decks +2% synergy
Entomb
15% of 658 decks +11% synergy
Enlightened Tutor
15% of 484 decks +7% synergy
Teferi's Protection
14% of 466 decks +5% synergy
Boros Charm
14% of 478 decks +8% synergy
Tyvar's Stand
14% of 179 decks +11% synergy
Big Score
14% of 1100 decks +9% synergy
Abrade
13% of 1327 decks +8% synergy
Fierce Guardianship
13% of 408 decks +4% synergy
Unexpected Windfall
12% of 1193 decks +9% synergy
Mortify
12% of 458 decks +9% synergy
Putrefy
12% of 522 decks +9% synergy
Mystical Tutor
12% of 463 decks +4% synergy
Mana Drain
11% of 463 decks +4% synergy
Swan Song
11% of 452 decks +3% synergy
Sarkhan's Triumph
11% of 1345 decks +10% synergy
Bitter Triumph
11% of 46 decks +8% synergy
Negate
11% of 459 decks -1% synergy
Tainted Strike
10% of 641 decks +9% synergy
Harrow
10% of 611 decks +5% synergy
Utter End
10% of 452 decks +8% synergy
Tibalt's Trickery
9% of 1240 decks +6% synergy
Wild Magic Surge
9% of 950 decks +7% synergy
Dovin's Veto
9% of 373 decks +4% synergy
Lightning Bolt
9% of 1395 decks +4% synergy
An Offer You Can't Refuse
9% of 357 decks -1% synergy
Frantic Search
9% of 463 decks +3% synergy
Krosan Grip
9% of 604 decks +4% synergy
Red Elemental Blast
9% of 1395 decks +5% synergy
Cauldron Dance
9% of 658 decks +8% synergy
Kazuul's Fury
8% of 1259 decks +7% synergy
Arcane Denial
8% of 463 decks -1% synergy
Bedevil
8% of 605 decks +4% synergy
Despark
8% of 429 decks +4% synergy
Dark Ritual
8% of 658 decks -3% synergy
Sorceries (50)
Kodama's Reach
37% of 604 decks +22% synergy
Blasphemous Act
35% of 1358 decks +19% synergy
Rampant Growth
34% of 611 decks +18% synergy
Patriarch's Bidding
33% of 658 decks +32% synergy
Nature's Lore
33% of 611 decks +19% synergy
Living Death
31% of 658 decks +28% synergy
Demonic Tutor
29% of 658 decks +17% synergy
Faithless Looting
29% of 1357 decks +21% synergy
Reanimate
27% of 658 decks +20% synergy
Unburial Rites
26% of 454 decks +26% synergy
Three Visits
25% of 611 decks +14% synergy
Vandalblast
21% of 1355 decks +13% synergy
Skyshroud Claim
20% of 611 decks +16% synergy
Mana Geyser
19% of 1366 decks +15% synergy
Jeska's Will
18% of 1251 decks +10% synergy
Buried Alive
17% of 658 decks +14% synergy
Eerie Ultimatum
17% of 362 decks +15% synergy
Gamble
16% of 1395 decks +11% synergy
Cathartic Reunion
14% of 1330 decks +12% synergy
Anzrag's Rampage
13% of 62 decks +12% synergy
Tormenting Voice
12% of 1350 decks +10% synergy
Jarad's Orders
11% of 517 decks +11% synergy
Unmarked Grave
11% of 568 decks +10% synergy
Fearsome Awakening
11% of 632 decks +11% synergy
Exhume
10% of 658 decks +10% synergy
Victimize
10% of 658 decks +4% synergy
Vindicate
10% of 459 decks +8% synergy
Damnation
9% of 641 decks +5% synergy
Explosive Vegetation
9% of 611 decks +7% synergy
Dragonstorm
9% of 1395 decks +9% synergy
Wheel of Fortune
9% of 1395 decks +6% synergy
Persist
9% of 563 decks +7% synergy
Wrath of God
8% of 484 decks +5% synergy
Seize the Spoils
8% of 1242 decks +7% synergy
Hit the Mother Lode
8% of 166 decks +7% synergy
Haunting Voyage
8% of 572 decks +8% synergy
Diabolic Tutor
8% of 658 decks +4% synergy
Molten Collapse
8% of 50 decks +7% synergy
Wheel of Misfortune
8% of 1254 decks +5% synergy
Earthquake
8% of 1395 decks +7% synergy
Rite of Replication
8% of 459 decks +6% synergy
Toxic Deluge
8% of 633 decks -1% synergy
Ponder
7% of 459 decks +1% synergy
Primevals' Glorious Rebirth
7% of 436 decks +6% synergy
Merciless Eviction
7% of 453 decks +6% synergy
Damn
7% of 397 decks +3% synergy
Ruinous Ultimatum
7% of 415 decks +5% synergy
Relentless Assault
7% of 1395 decks +5% synergy
Chain Reaction
7% of 1365 decks +4% synergy
Irencrag Feat
7% of 1296 decks +6% synergy
Utility Artifacts (35)
Swiftfoot Boots
39% of 1358 decks +10% synergy
Sundial of the Infinite
27% of 1358 decks +26% synergy
Ruby Medallion
18% of 1395 decks +16% synergy
Wayfarer's Bauble
18% of 1366 decks +6% synergy
Conjurer's Closet
16% of 1357 decks +14% synergy
Tel-Jilad Stylus
15% of 1366 decks +15% synergy
Thousand-Year Elixir
14% of 1365 decks +12% synergy
Battlemage's Bracers
12% of 1234 decks +11% synergy
Illusionist's Bracers
12% of 1354 decks +10% synergy
Rings of Brighthearth
11% of 1365 decks +9% synergy
Conduit of Worlds
9% of 191 decks +6% synergy
Scroll Rack
9% of 1395 decks +7% synergy
Brass's Tunnel-Grinder
9% of 152 decks +6% synergy
Quicksilver Amulet
9% of 1395 decks +8% synergy
Fist of Suns
8% of 401 decks +7% synergy
Pyre of Heroes
8% of 1243 decks +7% synergy
Sensei's Divining Top
8% of 1366 decks +1% synergy
Monster Manual
8% of 398 decks +6% synergy
Collector's Vault
7% of 205 decks +5% synergy
Herald's Horn
7% of 1326 decks +1% synergy
Skullclamp
7% of 1366 decks -6% synergy
Magewright's Stone
7% of 1365 decks +6% synergy
Mimic Vat
7% of 1365 decks +6% synergy
Diamond Pick-Axe
7% of 149 decks +5% synergy
Hazoret's Monument
7% of 1327 decks +6% synergy
Urza's Incubator
6% of 1395 decks +4% synergy
Elixir of Immortality
6% of 1365 decks +5% synergy
Sting, the Glinting Dagger
6% of 330 decks +5% synergy
Rishadan Pawnshop
6% of 1395 decks +6% synergy
Whip of Erebos
6% of 633 decks +4% synergy
The One Ring
6% of 457 decks -3% synergy
The Cauldron of Eternity
6% of 597 decks +6% synergy
Ashnod's Altar
6% of 1395 decks -2% synergy
Whispersilk Cloak
5% of 1366 decks +2% synergy
Endless Atlas
5% of 1311 decks +4% synergy
Enchantments (47)
Dragon Tempest
37% of 1345 decks +35% synergy
Sneak Attack
26% of 1395 decks +24% synergy
Rhythm of the Wild
24% of 570 decks +18% synergy
Rhystic Study
21% of 463 decks +7% synergy
Flameshadow Conjuring
20% of 1340 decks +19% synergy
Descendants' Fury
19% of 250 decks +18% synergy
Mirari's Wake
19% of 413 decks +15% synergy
Up the Beanstalk
18% of 71 decks +16% synergy
Crucible of Fire
18% of 1365 decks +17% synergy
Garruk's Uprising
18% of 548 decks +11% synergy
Smothering Tithe
17% of 455 decks +5% synergy
Molten Echoes
17% of 1270 decks +16% synergy
Leyline of the Guildpact
17% of 18 decks +15% synergy
Necromancy
16% of 658 decks +15% synergy
Sylvan Library
15% of 611 decks +9% synergy
Industrial Advancement
15% of 1100 decks +14% synergy
Warstorm Surge
14% of 1358 decks +12% synergy
Aggravated Assault
12% of 1395 decks +11% synergy
Curiosity
12% of 463 decks +10% synergy
Mystic Remora
12% of 463 decks +3% synergy
Dance of the Dead
10% of 658 decks +9% synergy
Phyrexian Arena
10% of 658 decks +2% synergy
There and Back Again
10% of 353 decks +8% synergy
Gratuitous Violence
9% of 1395 decks +9% synergy
Blood Moon
9% of 1395 decks +8% synergy
Bower Passage
9% of 599 decks +9% synergy
Bear Umbra
9% of 604 decks +7% synergy
Frontier Siege
8% of 595 decks +8% synergy
Rising of the Day
8% of 322 decks +5% synergy
Defense of the Heart
8% of 611 decks +7% synergy
Fires of Invention
7% of 1296 decks +7% synergy
Braid of Fire
7% of 1365 decks +6% synergy
Elemental Bond
7% of 590 decks +4% synergy
Bitter Reunion
7% of 653 decks +6% synergy
Monastery Siege
6% of 450 decks +6% synergy
Spiteful Banditry
6% of 341 decks +5% synergy
Fires of Yavimaya
6% of 611 decks +5% synergy
Prismatic Omen
6% of 604 decks +6% synergy
Fiery Emancipation
6% of 1265 decks +4% synergy
Fervor
6% of 1395 decks +5% synergy
Greater Good
6% of 611 decks +3% synergy
Kindred Discovery
5% of 438 decks +2% synergy
Wild Growth
5% of 611 decks +0% synergy
Mirror March
5% of 1307 decks +5% synergy
Fable of the Mirror-Breaker
5% of 1125 decks +4% synergy
Colossal Majesty
5% of 575 decks +3% synergy
Tortured Existence
5% of 658 decks +4% synergy
Battles (1)
Invasion of Tarkir
10% of 451 decks +10% synergy
Planeswalkers (7)
Sarkhan Unbroken
19% of 402 decks +19% synergy
Sarkhan, Fireblood
10% of 1317 decks +10% synergy
Sarkhan the Mad
10% of 641 decks +10% synergy
Sivitri, Dragon Master
9% of 202 decks +9% synergy
Nicol Bolas, Planeswalker
8% of 416 decks +8% synergy
Koth, Fire of Resistance
6% of 514 decks +5% synergy
Sarkhan the Masterless
6% of 1303 decks +5% synergy
Utility Lands (28)
Spinerock Knoll
19% of 1365 decks +17% synergy
Rogue's Passage
16% of 1355 decks -3% synergy
War Room
15% of 1251 decks +9% synergy
Valakut, the Molten Pinnacle
15% of 1365 decks +13% synergy
Crucible of the Spirit Dragon
14% of 1347 decks +13% synergy
Bojuka Bog
14% of 641 decks -2% synergy
Nykthos, Shrine to Nyx
13% of 1352 decks +7% synergy
Ancient Tomb
13% of 1395 decks +2% synergy
Temple of the False God
13% of 1395 decks +3% synergy
Boseiju, Who Endures
12% of 495 decks +3% synergy
Forgotten Cave
12% of 1395 decks +9% synergy
Endless Sands
12% of 1327 decks +11% synergy
Junktown
12% of 26 decks +10% synergy
Buried Ruin
11% of 1358 decks +5% synergy
Mosswort Bridge
10% of 604 decks +5% synergy
Kessig Wolf Run
9% of 599 decks +6% synergy
Mines of Moria
9% of 354 decks +6% synergy
Reliquary Tower
9% of 1365 decks -19% synergy
High Market
9% of 1395 decks +5% synergy
Command Beacon
8% of 1335 decks +3% synergy
Volrath's Stronghold
8% of 658 decks +7% synergy
Takenuma, Abandoned Mire
8% of 517 decks +2% synergy
Restless Vents
6% of 50 decks +5% synergy
Great Furnace
6% of 1366 decks +3% synergy
Bonders' Enclave
6% of 1268 decks +3% synergy
Urborg, Tomb of Yawgmoth
5% of 1365 decks -5% synergy
Yavimaya, Cradle of Growth
5% of 1222 decks -4% synergy
Scavenger Grounds
5% of 1327 decks +1% synergy
Mana Artifacts (47)
Sol Ring
81% of 1395 decks -4% synergy
Arcane Signet
63% of 1296 decks -7% synergy
Dragon's Hoard
36% of 1317 decks +34% synergy
Fellwar Stone
28% of 1395 decks +7% synergy
Mind Stone
26% of 1395 decks +8% synergy
Chromatic Lantern
22% of 1355 decks +12% synergy
Rakdos Signet
21% of 641 decks +14% synergy
Fire Diamond
19% of 1395 decks +16% synergy
Carnelian Orb of Dragonkind
18% of 1023 decks +17% synergy
Commander's Sphere
16% of 1350 decks -0% synergy
Throne of Eldraine
16% of 205 decks +13% synergy
Cursed Mirror
16% of 1232 decks +14% synergy
Gruul Signet
15% of 604 decks +13% synergy
Izzet Signet
14% of 459 decks +7% synergy
Thran Dynamo
13% of 1395 decks +9% synergy
Worn Powerstone
13% of 1395 decks +10% synergy
Caged Sun
13% of 1363 decks +10% synergy
Orb of Dragonkind
12% of 1202 decks +12% synergy
Patriar's Seal
12% of 950 decks +10% synergy
Boros Signet
12% of 483 decks +6% synergy
Liquimetal Torque
12% of 1229 decks +7% synergy
Mana Crypt
11% of 1395 decks +0% synergy
Gilded Lotus
11% of 1366 decks +8% synergy
Talisman of Indulgence
11% of 641 decks +5% synergy
Golgari Signet
11% of 522 decks +8% synergy
Orzhov Signet
10% of 458 decks +3% synergy
Jade Orb of Dragonkind
10% of 434 decks +9% synergy
Darksteel Ingot
9% of 1366 decks +8% synergy
Talisman of Creativity
8% of 424 decks +2% synergy
Timeless Lotus
8% of 207 decks +7% synergy
Mana Vault
8% of 1395 decks +1% synergy
Gauntlet of Power
8% of 1365 decks +7% synergy
Everflowing Chalice
7% of 1365 decks +2% synergy
Extraplanar Lens
7% of 1366 decks +6% synergy
Dimir Signet
7% of 416 decks -1% synergy
Glittering Stockpile
7% of 1100 decks +6% synergy
Lapis Orb of Dragonkind
7% of 338 decks +6% synergy
Talisman of Impulse
7% of 604 decks +5% synergy
Hedron Archive
6% of 1338 decks +3% synergy
Talisman of Conviction
6% of 453 decks +1% synergy
Coalition Relic
6% of 1365 decks +5% synergy
Talisman of Resilience
6% of 489 decks +4% synergy
Talisman of Hierarchy
6% of 429 decks +0% synergy
Jeweled Lotus
6% of 1251 decks -2% synergy
Thought Vessel
5% of 1335 decks -10% synergy
Chrome Mox
5% of 1366 decks -1% synergy
Simic Signet
5% of 411 decks +2% synergy
Lands (50)
Command Tower
47% of 1358 decks -26% synergy
Overgrown Tomb
44% of 522 decks +35% synergy
Stomping Ground
44% of 604 decks +34% synergy
Blood Crypt
42% of 641 decks +33% synergy
Hallowed Fountain
40% of 402 decks +31% synergy
Temple Garden
40% of 412 decks +31% synergy
Godless Shrine
39% of 458 decks +29% synergy
Steam Vents
39% of 459 decks +29% synergy
Breeding Pool
38% of 411 decks +29% synergy
Watery Grave
38% of 416 decks +27% synergy
Sacred Foundry
38% of 483 decks +30% synergy
Ziatora's Proving Ground
32% of 420 decks +29% synergy
Savage Lands
30% of 522 decks +27% synergy
Haven of the Spirit Dragon
29% of 1345 decks +27% synergy
Exotic Orchard
25% of 1365 decks -9% synergy
Myriad Landscape
25% of 1350 decks +4% synergy
Crumbling Necropolis
24% of 416 decks +21% synergy
Ketria Triome
24% of 370 decks +20% synergy
Indatha Triome
23% of 361 decks +20% synergy
Jetmir's Garden
23% of 323 decks +19% synergy
Raucous Theater
23% of 26 decks +19% synergy
The World Tree
23% of 352 decks +20% synergy
Cinder Glade
23% of 590 decks +14% synergy
Zagoth Triome
22% of 360 decks +18% synergy
Frontier Bivouac
22% of 405 decks +19% synergy
Savai Triome
21% of 414 decks +18% synergy
Path of Ancestry
21% of 1326 decks +1% synergy
Jungle Shrine
20% of 412 decks +16% synergy
Underground Mortuary
20% of 15 decks +15% synergy
Dragonskull Summit
19% of 641 decks +12% synergy
Nomad Outpost
19% of 452 decks +15% synergy
Xander's Lounge
18% of 324 decks +14% synergy
Bloodstained Mire
17% of 1395 decks +7% synergy
Raugrin Triome
17% of 361 decks +14% synergy
Opulent Palace
17% of 395 decks +14% synergy
Spara's Headquarters
17% of 315 decks +13% synergy
Smoldering Marsh
16% of 627 decks +9% synergy
Seaside Citadel
16% of 401 decks +13% synergy
Mystic Monastery
16% of 396 decks +13% synergy
Spire Garden
16% of 575 decks +10% synergy
Rootbound Crag
16% of 604 decks +11% synergy
Evolving Wilds
15% of 1365 decks -6% synergy
Wooded Foothills
15% of 1395 decks +6% synergy
Sandsteppe Citadel
15% of 396 decks +12% synergy
Cavern of Souls
15% of 1357 decks +8% synergy
Luxury Suite
15% of 611 decks +9% synergy
Arid Mesa
14% of 1365 decks +3% synergy
Verdant Catacombs
14% of 1365 decks +2% synergy
Raffine's Tower
14% of 315 decks +10% synergy
Arcane Sanctum
13% of 401 decks +10% synergy