Kelsien, the Plague (Commander)

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Avatar: The Last Airbender is bringing back experience counters, and that means that we can revamp Kelsien, the Plague.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Swift Demise
4.3%inclusion21 decks489 decks
4%synergy
Hidden Hideout
1.0%inclusion5 decks489 decks
1%synergy
Quintessential Katana
0.6%inclusion3 decks466 decks
1%synergy
Super Shredder
0.5%inclusion9 decks1.81K decks
0%synergy
Pain 101
0.4%inclusion2 decks466 decks
0%synergy
High Synergy Cards
Basilisk Collar
89%inclusion5.14K decks5.78K decks
85%synergy
Rune of Mortality
74%inclusion4.29K decks5.78K decks
73%synergy
Minthara, Merciless Soul
73%inclusion4.24K decks5.78K decks
72%synergy
Otharri, Suns' Glory
74%inclusion4.25K decks5.78K decks
68%synergy
Vorpal Sword
69%inclusion3.99K decks5.78K decks
67%synergy
Gorgon's Head
66%inclusion3.79K decks5.78K decks
64%synergy
Mari, the Killing Quill
68%inclusion3.94K decks5.78K decks
61%synergy
Falthis, Shadowcat Familiar
61%inclusion3.55K decks5.78K decks
60%synergy
Drumbellower
62%inclusion3.59K decks5.78K decks
60%synergy
Sting, the Glinting Dagger
62%inclusion3.56K decks5.78K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.09K decks5.78K decks
53%synergy
Swiftfoot Boots
61%inclusion3.51K decks5.78K decks
29%synergy
Thornbite Staff
60%inclusion3.49K decks5.78K decks
59%synergy
Shay Cormac
58%inclusion3.09K decks5.34K decks
55%synergy
General's Enforcer
55%inclusion3.19K decks5.78K decks
47%synergy
Open the Armory
53%inclusion3.08K decks5.78K decks
49%synergy
You Are Already Dead
53%inclusion3.05K decks5.78K decks
51%synergy
Swords to Plowshares
50%inclusion2.88K decks5.78K decks
-12%synergy
Gift of Doom
48%inclusion2.79K decks5.78K decks
47%synergy
Gorgon Flail
47%inclusion2.73K decks5.78K decks
46%synergy
Game Changers
Smothering Tithe
20%inclusion1.15K decks5.78K decks
-5%synergy
Enlightened Tutor
16%inclusion928 decks5.78K decks
4%synergy
Teferi's Protection
16%inclusion916 decks5.78K decks
-4%synergy
Demonic Tutor
15%inclusion884 decks5.78K decks
-4%synergy
Vampiric Tutor
10%inclusion557 decks5.78K decks
-5%synergy
Farewell
8.7%inclusion500 decks5.78K decks
-2%synergy
Orcish Bowmasters
8.0%inclusion465 decks5.78K decks
3%synergy
Jeska's Will
6.2%inclusion356 decks5.78K decks
-4%synergy
Creatures
Termination Facilitator
45%inclusion2.62K decks5.78K decks
44%synergy
Lae'zel, Vlaakith's Champion
43%inclusion2.51K decks5.78K decks
41%synergy
Magda, the Hoardmaster
43%inclusion2.48K decks5.78K decks
41%synergy
Daxos the Returned
42%inclusion2.44K decks5.78K decks
41%synergy
Maha, Its Feathers Night
42%inclusion2.16K decks5.20K decks
40%synergy
Kalemne, Disciple of Iroas
41%inclusion2.39K decks5.78K decks
41%synergy
Humble Defector
40%inclusion2.30K decks5.78K decks
37%synergy
Harvester of Souls
38%inclusion2.19K decks5.78K decks
35%synergy
Mathas, Fiend Seeker
38%inclusion2.17K decks5.78K decks
36%synergy
White Plume Adventurer
37%inclusion2.12K decks5.78K decks
35%synergy
Slaughter Specialist
36%inclusion2.10K decks5.78K decks
35%synergy
Taii Wakeen, Perfect Shot
36%inclusion2.06K decks5.75K decks
35%synergy
Void Beckoner
35%inclusion2.04K decks5.78K decks
35%synergy
Mother of Runes
31%inclusion1.78K decks5.78K decks
23%synergy
Goblin Sharpshooter
30%inclusion1.75K decks5.78K decks
30%synergy
Archetype of Finality
30%inclusion1.71K decks5.78K decks
29%synergy
Ertha Jo, Frontier Mentor
29%inclusion1.70K decks5.76K decks
29%synergy
Blood Cultist
25%inclusion1.47K decks5.78K decks
25%synergy
Puresteel Paladin
24%inclusion1.36K decks5.78K decks
20%synergy
Athreos, Shroud-Veiled
23%inclusion1.35K decks5.78K decks
22%synergy
Sun Titan
22%inclusion1.29K decks5.78K decks
12%synergy
Stoneforge Mystic
22%inclusion1.28K decks5.78K decks
19%synergy
Zagras, Thief of Heartbeats
21%inclusion1.24K decks5.78K decks
20%synergy
Esper Sentinel
20%inclusion1.17K decks5.78K decks
2%synergy
Marvin, Murderous Mimic
20%inclusion953 decks4.77K decks
19%synergy
Assault Intercessor
20%inclusion1.14K decks5.78K decks
19%synergy
Queen Marchesa
18%inclusion1.06K decks5.78K decks
12%synergy
Ankle Shanker
17%inclusion1.01K decks5.78K decks
14%synergy
Akiri, Fearless Voyager
16%inclusion915 decks5.78K decks
14%synergy
Deathbringer Thoctar
15%inclusion888 decks5.78K decks
15%synergy
Massacre Girl, Known Killer
15%inclusion857 decks5.78K decks
13%synergy
Cunning Sparkmage
14%inclusion835 decks5.78K decks
14%synergy
Kratos, Stoic Father
14%inclusion268 decks1.90K decks
14%synergy
Blood Artist
14%inclusion805 decks5.78K decks
-4%synergy
Clackbridge Troll
13%inclusion753 decks5.78K decks
13%synergy
Vulshok Sorcerer
12%inclusion713 decks5.78K decks
12%synergy
Tor Wauki the Younger
12%inclusion696 decks5.78K decks
12%synergy
Sram, Senior Edificer
12%inclusion690 decks5.78K decks
9%synergy
Solemn Simulacrum
12%inclusion687 decks5.78K decks
-1%synergy
Zuko, Firebending Master
12%inclusion189 decks1.64K decks
10%synergy
Royal Assassin
11%inclusion663 decks5.78K decks
8%synergy
Grateful Apparition
11%inclusion657 decks5.78K decks
11%synergy
Gisa, Glorious Resurrector
11%inclusion645 decks5.78K decks
10%synergy
Azula, Ruthless Firebender
11%inclusion183 decks1.65K decks
11%synergy
Aang, Airbending Master
11%inclusion242 decks2.26K decks
10%synergy
Robaran Mercenaries
11%inclusion615 decks5.78K decks
10%synergy
Torbran, Thane of Red Fell
10%inclusion597 decks5.78K decks
10%synergy
Bureau Headmaster
10%inclusion543 decks5.33K decks
10%synergy
Stonehewer Giant
10%inclusion564 decks5.78K decks
9%synergy
Qarsi Revenant
8.7%inclusion303 decks3.50K decks
6%synergy
Instants
Boros Charm
44%inclusion2.55K decks5.78K decks
15%synergy
Mirrodin Avenged
41%inclusion2.37K decks5.78K decks
40%synergy
Crackling Doom
37%inclusion2.17K decks5.78K decks
20%synergy
Stroke of Midnight
34%inclusion1.95K decks5.78K decks
22%synergy
Path to Exile
31%inclusion1.80K decks5.78K decks
-16%synergy
Anguished Unmaking
31%inclusion1.78K decks5.78K decks
-3%synergy
Fracture
30%inclusion1.74K decks5.78K decks
24%synergy
Generous Gift
29%inclusion1.68K decks5.78K decks
11%synergy
Despark
23%inclusion1.32K decks5.78K decks
9%synergy
Offer Immortality
22%inclusion1.26K decks5.78K decks
21%synergy
Bladebrand
19%inclusion1.09K decks5.78K decks
18%synergy
Flawless Maneuver
18%inclusion1.06K decks5.78K decks
4%synergy
Mortify
17%inclusion988 decks5.78K decks
2%synergy
Deflecting Swat
16%inclusion918 decks5.78K decks
0%synergy
Chaos Warp
16%inclusion917 decks5.78K decks
0%synergy
Terminate
14%inclusion786 decks5.78K decks
1%synergy
Dire Tactics
14%inclusion785 decks5.78K decks
11%synergy
Dawn's Truce
12%inclusion646 decks5.17K decks
5%synergy
Wear // Tear
12%inclusion710 decks5.78K decks
1%synergy
Rakdos Charm
12%inclusion694 decks5.78K decks
3%synergy
Deflecting Palm
10%inclusion605 decks5.78K decks
4%synergy
Malakir Rebirth
10%inclusion563 decks5.78K decks
4%synergy
Virulent Swipe
8.7%inclusion502 decks5.78K decks
9%synergy
Sejiri Shelter
7.9%inclusion456 decks5.78K decks
6%synergy
Deadly Rollick
7.6%inclusion442 decks5.78K decks
-3%synergy
Battle-Rage Blessing
7.6%inclusion440 decks5.78K decks
7%synergy
Legion Leadership
7.1%inclusion391 decks5.47K decks
3%synergy
Tragic Slip
7.0%inclusion404 decks5.78K decks
6%synergy
Untimely Malfunction
6.9%inclusion331 decks4.79K decks
2%synergy
Thrill of Possibility
6.7%inclusion387 decks5.78K decks
-1%synergy
Bedevil
6.7%inclusion387 decks5.78K decks
0%synergy
Toxin Analysis
6.6%inclusion379 decks5.78K decks
6%synergy
Whisper of the Dross
6.5%inclusion376 decks5.78K decks
6%synergy
Loran's Escape
5.9%inclusion339 decks5.78K decks
4%synergy
Utter End
5.8%inclusion336 decks5.78K decks
1%synergy
Volt Charge
5.7%inclusion330 decks5.78K decks
6%synergy
Touch of Moonglove
5.6%inclusion325 decks5.78K decks
6%synergy
Dark Ritual
5.3%inclusion308 decks5.78K decks
-11%synergy
Alesha's Legacy
5.3%inclusion185 decks3.47K decks
4%synergy
Sorceries
Ruinous Ultimatum
45%inclusion2.63K decks5.78K decks
6%synergy
Steelshaper's Gift
33%inclusion1.93K decks5.78K decks
30%synergy
Mythos of Snapdax
33%inclusion1.90K decks5.78K decks
27%synergy
Painful Truths
29%inclusion1.66K decks5.78K decks
20%synergy
Read the Bones
27%inclusion1.53K decks5.78K decks
17%synergy
Night's Whisper
26%inclusion1.48K decks5.78K decks
13%synergy
Vandalblast
22%inclusion1.30K decks5.78K decks
12%synergy
Blasphemous Act
21%inclusion1.22K decks5.78K decks
-2%synergy
Call of the Death-Dweller
21%inclusion1.20K decks5.78K decks
20%synergy
Sign in Blood
18%inclusion1.03K decks5.78K decks
10%synergy
Drown in Ichor
16%inclusion911 decks5.78K decks
15%synergy
Sevinne's Reclamation
14%inclusion814 decks5.78K decks
6%synergy
Damn
13%inclusion774 decks5.78K decks
-5%synergy
Chandra's Ignition
13%inclusion772 decks5.78K decks
11%synergy
Vindicate
11%inclusion620 decks5.78K decks
5%synergy
Unfinished Business
9.5%inclusion548 decks5.78K decks
9%synergy
Single Combat
8.7%inclusion505 decks5.78K decks
7%synergy
Faithless Looting
8.5%inclusion494 decks5.78K decks
-7%synergy
Unearth
8.4%inclusion486 decks5.78K decks
6%synergy
Austere Command
8.3%inclusion478 decks5.78K decks
1%synergy
Toxic Deluge
8.0%inclusion464 decks5.78K decks
0%synergy
Diabolic Tutor
6.6%inclusion380 decks5.78K decks
1%synergy
Feed the Swarm
6.2%inclusion357 decks5.78K decks
1%synergy
Reanimate
5.5%inclusion319 decks5.78K decks
-11%synergy
Vat Emergence
5.3%inclusion306 decks5.78K decks
5%synergy
Rip Apart
5.1%inclusion297 decks5.78K decks
4%synergy
Utility Artifacts
Quietus Spike
45%inclusion2.57K decks5.78K decks
43%synergy
Magewright's Stone
41%inclusion2.38K decks5.78K decks
40%synergy
Shadowspear
39%inclusion2.24K decks5.78K decks
34%synergy
Illusionist's Bracers
34%inclusion1.99K decks5.78K decks
33%synergy
Hunter's Blowgun
31%inclusion1.78K decks5.78K decks
30%synergy
Thousand-Year Elixir
29%inclusion1.67K decks5.78K decks
28%synergy
Lightning Greaves
23%inclusion1.33K decks5.78K decks
-12%synergy
Mithril Coat
19%inclusion1.10K decks5.78K decks
14%synergy
Glaring Spotlight
17%inclusion958 decks5.78K decks
16%synergy
Battlemage's Bracers
15%inclusion869 decks5.78K decks
14%synergy
Brotherhood Regalia
12%inclusion629 decks5.34K decks
9%synergy
Sword of the Animist
12%inclusion672 decks5.78K decks
2%synergy
Whispersilk Cloak
11%inclusion644 decks5.78K decks
5%synergy
Wayfarer's Bauble
10%inclusion573 decks5.78K decks
1%synergy
Hammer of Nazahn
9.3%inclusion535 decks5.78K decks
7%synergy
Puppet Strings
8.9%inclusion516 decks5.78K decks
9%synergy
Sword of Truth and Justice
8.7%inclusion503 decks5.78K decks
8%synergy
The Masamune
8.6%inclusion244 decks2.85K decks
8%synergy
Hidden Blade
8.5%inclusion490 decks5.78K decks
8%synergy
Robe of Stars
8.3%inclusion481 decks5.78K decks
7%synergy
Darksteel Plate
6.9%inclusion400 decks5.78K decks
5%synergy
Mask of Griselbrand
6.9%inclusion398 decks5.78K decks
6%synergy
Dragonfire Blade
6.3%inclusion216 decks3.44K decks
5%synergy
The Reaver Cleaver
6.1%inclusion350 decks5.78K decks
0%synergy
Scythe of the Wretched
5.8%inclusion334 decks5.78K decks
6%synergy
Reaper's Talisman
5.7%inclusion330 decks5.78K decks
5%synergy
Haystack
5.5%inclusion315 decks5.78K decks
4%synergy
Sunforger
5.2%inclusion302 decks5.78K decks
2%synergy
Loxodon Warhammer
5.1%inclusion293 decks5.78K decks
3%synergy
Halo Fountain
5.1%inclusion292 decks5.78K decks
4%synergy
Trailblazer's Boots
5.0%inclusion291 decks5.78K decks
3%synergy
Enchantments
Fighter Class
35%inclusion2.02K decks5.78K decks
32%synergy
Phyrexian Arena
32%inclusion1.87K decks5.78K decks
14%synergy
All-Out Assault
31%inclusion1.09K decks3.50K decks
19%synergy
Dazzling Theater // Prop Room
27%inclusion1.29K decks4.74K decks
25%synergy
Aspect of Gorgon
26%inclusion1.53K decks5.78K decks
26%synergy
Revel in Riches
22%inclusion1.29K decks5.78K decks
16%synergy
Black Market
17%inclusion993 decks5.78K decks
12%synergy
Sigarda's Aid
17%inclusion992 decks5.78K decks
14%synergy
At Knifepoint
17%inclusion986 decks5.76K decks
16%synergy
Reconnaissance
16%inclusion912 decks5.78K decks
5%synergy
Black Market Connections
15%inclusion887 decks5.78K decks
0%synergy
Retreat to Hagra
14%inclusion801 decks5.78K decks
14%synergy
Forge Anew
13%inclusion776 decks5.78K decks
11%synergy
Death Pits of Rath
13%inclusion761 decks5.78K decks
13%synergy
Agent of the Shadow Thieves
13%inclusion750 decks5.78K decks
12%synergy
Eternal Thirst
10%inclusion553 decks5.78K decks
9%synergy
Ghostly Prison
8.3%inclusion479 decks5.78K decks
1%synergy
Grave Betrayal
8.0%inclusion465 decks5.78K decks
8%synergy
Nowhere to Run
7.8%inclusion409 decks5.27K decks
7%synergy
Gift of Immortality
7.6%inclusion438 decks5.78K decks
7%synergy
Kaya's Ghostform
7.4%inclusion428 decks5.78K decks
5%synergy
Land Tax
6.6%inclusion381 decks5.78K decks
0%synergy
Trouble in Pairs
6.0%inclusion344 decks5.78K decks
1%synergy
Spiteful Banditry
5.2%inclusion298 decks5.78K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.7%inclusion502 decks5.78K decks
8%synergy
Kaya, Geist Hunter
7.1%inclusion412 decks5.78K decks
3%synergy
Utility Lands
Vault of the Archangel
50%inclusion2.91K decks5.78K decks
28%synergy
Rogue's Passage
50%inclusion2.87K decks5.78K decks
26%synergy
Bojuka Bog
37%inclusion2.14K decks5.78K decks
6%synergy
Arcane Lighthouse
33%inclusion1.91K decks5.78K decks
32%synergy
Detection Tower
24%inclusion1.42K decks5.78K decks
24%synergy
Karn's Bastion
23%inclusion1.31K decks5.78K decks
22%synergy
Axgard Armory
17%inclusion994 decks5.78K decks
15%synergy
Urborg, Tomb of Yawgmoth
13%inclusion724 decks5.78K decks
-1%synergy
Reliquary Tower
12%inclusion712 decks5.78K decks
-3%synergy
Buried Ruin
11%inclusion664 decks5.78K decks
8%synergy
Shizo, Death's Storehouse
10%inclusion590 decks5.78K decks
3%synergy
Urza's Saga
8.3%inclusion477 decks5.78K decks
4%synergy
Sunhome, Fortress of the Legion
7.9%inclusion456 decks5.78K decks
4%synergy
Temple of the False God
7.1%inclusion409 decks5.78K decks
1%synergy
Mana Artifacts
Arcane Signet
86%inclusion4.99K decks5.78K decks
0%synergy
Sol Ring
85%inclusion4.92K decks5.78K decks
-3%synergy
Patriar's Seal
57%inclusion3.29K decks5.78K decks
55%synergy
Orzhov Signet
43%inclusion2.50K decks5.78K decks
11%synergy
Rakdos Signet
40%inclusion2.30K decks5.78K decks
10%synergy
Boros Signet
37%inclusion2.13K decks5.78K decks
9%synergy
Talisman of Hierarchy
36%inclusion2.10K decks5.78K decks
-4%synergy
Talisman of Conviction
34%inclusion1.96K decks5.78K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.71K decks5.78K decks
-7%synergy
Fellwar Stone
25%inclusion1.42K decks5.78K decks
-3%synergy
Bounty Board
21%inclusion1.21K decks5.71K decks
19%synergy
Commander's Sphere
16%inclusion951 decks5.78K decks
2%synergy
Aetheric Amplifier
12%inclusion492 decks3.96K decks
12%synergy
Bandit's Haul
11%inclusion659 decks5.74K decks
10%synergy
Chromatic Lantern
10%inclusion599 decks5.78K decks
-1%synergy
Mind Stone
6.2%inclusion360 decks5.78K decks
-2%synergy
Mardu Banner
5.3%inclusion306 decks5.78K decks
2%synergy
Lands
Plains
97%inclusion5.62K decks5.78K decks
2%synergy
Swamp
97%inclusion5.61K decks5.78K decks
2%synergy
Mountain
96%inclusion5.54K decks5.78K decks
2%synergy
Command Tower
93%inclusion5.38K decks5.78K decks
1%synergy
Nomad Outpost
66%inclusion3.83K decks5.78K decks
8%synergy
Exotic Orchard
57%inclusion3.29K decks5.78K decks
5%synergy
Isolated Chapel
54%inclusion3.09K decks5.78K decks
1%synergy
Dragonskull Summit
52%inclusion3K decks5.78K decks
0%synergy
Clifftop Retreat
52%inclusion2.98K decks5.78K decks
1%synergy
Savai Triome
48%inclusion2.77K decks5.78K decks
10%synergy
Godless Shrine
47%inclusion2.69K decks5.78K decks
-1%synergy
Sacred Foundry
44%inclusion2.57K decks5.78K decks
0%synergy
Blood Crypt
44%inclusion2.54K decks5.78K decks
0%synergy
Caves of Koilos
41%inclusion2.35K decks5.78K decks
1%synergy
Battlefield Forge
38%inclusion2.22K decks5.78K decks
-2%synergy
Vault of Champions
38%inclusion2.21K decks5.78K decks
5%synergy
Spectator Seating
37%inclusion2.12K decks5.78K decks
5%synergy
Forbidden Orchard
36%inclusion2.10K decks5.78K decks
34%synergy
Luxury Suite
34%inclusion1.98K decks5.78K decks
3%synergy
Smoldering Marsh
34%inclusion1.98K decks5.78K decks
-2%synergy
Bloodstained Mire
28%inclusion1.64K decks5.78K decks
-4%synergy
Marsh Flats
28%inclusion1.64K decks5.78K decks
-3%synergy
Arid Mesa
28%inclusion1.62K decks5.78K decks
-3%synergy
Evolving Wilds
27%inclusion1.56K decks5.78K decks
1%synergy
Sulfurous Springs
24%inclusion1.41K decks5.78K decks
-3%synergy
Path of Ancestry
24%inclusion1.39K decks5.78K decks
-14%synergy
Sundown Pass
23%inclusion1.34K decks5.78K decks
3%synergy
Shattered Sanctum
23%inclusion1.33K decks5.78K decks
-1%synergy
Shattered Landscape
21%inclusion1.17K decks5.43K decks
2%synergy
Haunted Ridge
21%inclusion1.23K decks5.78K decks
1%synergy
Temple of Silence
20%inclusion1.18K decks5.78K decks
-2%synergy
Temple of Triumph
19%inclusion1.11K decks5.78K decks
-3%synergy
Orzhov Basilica
19%inclusion1.09K decks5.78K decks
5%synergy
Terramorphic Expanse
18%inclusion1.01K decks5.78K decks
-2%synergy
Boros Garrison
17%inclusion966 decks5.78K decks
4%synergy
Rakdos Carnarium
16%inclusion922 decks5.78K decks
4%synergy
Temple of Malice
16%inclusion913 decks5.78K decks
-1%synergy
Fetid Heath
15%inclusion869 decks5.78K decks
-6%synergy
Rugged Prairie
13%inclusion774 decks5.78K decks
-4%synergy
Myriad Landscape
13%inclusion732 decks5.78K decks
1%synergy
Brightclimb Pathway
12%inclusion711 decks5.78K decks
3%synergy
Shadowblood Ridge
12%inclusion680 decks5.78K decks
-4%synergy
Needleverge Pathway
11%inclusion628 decks5.78K decks
3%synergy
Scrubland
11%inclusion615 decks5.78K decks
-1%synergy
Plateau
11%inclusion611 decks5.78K decks
-2%synergy
Badlands
11%inclusion608 decks5.78K decks
-2%synergy
Blightstep Pathway
10%inclusion597 decks5.78K decks
2%synergy
Tainted Field
10%inclusion591 decks5.78K decks
-2%synergy
Malakir Rebirth
10%inclusion563 decks5.78K decks
4%synergy
Blazemire Verge
10%inclusion467 decks4.80K decks
-2%synergy