Kelsien, the Plague (Commander)

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

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
Mjölnir, Hammer of Thor
2.3%inclusion8 decks342 decks
2%synergy
Hawkeye's Bow
1.9%inclusion5 decks261 decks
2%synergy
S.H.I.E.L.D. Spy Kit
1.5%inclusion4 decks261 decks
1%synergy
Hawkeye, Young Avenger
1.1%inclusion3 decks261 decks
1%synergy
Black Widow, Agile Avenger
0.8%inclusion2 decks261 decks
-0%synergy
High Synergy Cards
Basilisk Collar
89%inclusion5.39K decks6.04K decks
85%synergy
Rune of Mortality
74%inclusion4.45K decks6.04K decks
72%synergy
Minthara, Merciless Soul
73%inclusion4.40K decks6.04K decks
71%synergy
Otharri, Suns' Glory
73%inclusion4.42K decks6.04K decks
68%synergy
Vorpal Sword
69%inclusion4.17K decks6.04K decks
67%synergy
Gorgon's Head
66%inclusion3.96K decks6.04K decks
64%synergy
Mari, the Killing Quill
68%inclusion4.09K decks6.04K decks
62%synergy
Drumbellower
63%inclusion3.81K decks6.04K decks
61%synergy
Sting, the Glinting Dagger
62%inclusion3.75K decks6.04K decks
60%synergy
Thornbite Staff
62%inclusion3.73K decks6.04K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.31K decks6.04K decks
53%synergy
Falthis, Shadowcat Familiar
61%inclusion3.71K decks6.04K decks
60%synergy
Swiftfoot Boots
61%inclusion3.68K decks6.04K decks
29%synergy
Shay Cormac
59%inclusion3.58K decks6.04K decks
56%synergy
General's Enforcer
55%inclusion3.31K decks6.04K decks
47%synergy
Open the Armory
53%inclusion3.20K decks6.04K decks
49%synergy
You Are Already Dead
52%inclusion3.15K decks6.04K decks
51%synergy
Swords to Plowshares
50%inclusion3.02K decks6.04K decks
-12%synergy
Gorgon Flail
48%inclusion2.90K decks6.04K decks
47%synergy
Gift of Doom
47%inclusion2.85K decks6.04K decks
46%synergy
Game Changers
Smothering Tithe
19%inclusion1.17K decks6.04K decks
-5%synergy
Enlightened Tutor
16%inclusion975 decks6.04K decks
4%synergy
Teferi's Protection
16%inclusion939 decks6.04K decks
-4%synergy
Demonic Tutor
15%inclusion930 decks6.04K decks
-3%synergy
Vampiric Tutor
9.4%inclusion570 decks6.04K decks
-5%synergy
Farewell
8.3%inclusion500 decks6.04K decks
-2%synergy
Orcish Bowmasters
8.0%inclusion486 decks6.04K decks
3%synergy
Jeska's Will
6.3%inclusion383 decks6.04K decks
-3%synergy
Creatures
Termination Facilitator
45%inclusion2.74K decks6.04K decks
44%synergy
Magda, the Hoardmaster
45%inclusion2.71K decks6.04K decks
43%synergy
Lae'zel, Vlaakith's Champion
44%inclusion2.64K decks6.04K decks
42%synergy
Maha, Its Feathers Night
41%inclusion2.47K decks5.96K decks
40%synergy
Daxos the Returned
41%inclusion2.48K decks6.04K decks
40%synergy
Kalemne, Disciple of Iroas
40%inclusion2.42K decks6.04K decks
39%synergy
Humble Defector
39%inclusion2.38K decks6.04K decks
37%synergy
Mathas, Fiend Seeker
38%inclusion2.32K decks6.04K decks
36%synergy
Harvester of Souls
37%inclusion2.22K decks6.04K decks
34%synergy
Taii Wakeen, Perfect Shot
36%inclusion2.19K decks6.04K decks
36%synergy
White Plume Adventurer
36%inclusion2.19K decks6.04K decks
35%synergy
Slaughter Specialist
35%inclusion2.12K decks6.04K decks
34%synergy
Void Beckoner
34%inclusion2.03K decks6.04K decks
33%synergy
Mother of Runes
31%inclusion1.90K decks6.04K decks
24%synergy
Goblin Sharpshooter
31%inclusion1.88K decks6.04K decks
30%synergy
Ertha Jo, Frontier Mentor
31%inclusion1.84K decks6.04K decks
30%synergy
Archetype of Finality
28%inclusion1.69K decks6.04K decks
27%synergy
Puresteel Paladin
25%inclusion1.50K decks6.04K decks
21%synergy
Blood Cultist
24%inclusion1.48K decks6.04K decks
24%synergy
Athreos, Shroud-Veiled
23%inclusion1.41K decks6.04K decks
22%synergy
Stoneforge Mystic
23%inclusion1.39K decks6.04K decks
20%synergy
Sun Titan
21%inclusion1.26K decks6.04K decks
10%synergy
Esper Sentinel
21%inclusion1.25K decks6.04K decks
2%synergy
Marvin, Murderous Mimic
20%inclusion1.13K decks5.54K decks
19%synergy
Zagras, Thief of Heartbeats
20%inclusion1.20K decks6.04K decks
19%synergy
Assault Intercessor
19%inclusion1.16K decks6.04K decks
19%synergy
Queen Marchesa
18%inclusion1.10K decks6.04K decks
12%synergy
Ankle Shanker
16%inclusion970 decks6.04K decks
13%synergy
Kratos, Stoic Father
15%inclusion427 decks2.76K decks
15%synergy
Deathbringer Thoctar
15%inclusion917 decks6.04K decks
15%synergy
Akiri, Fearless Voyager
15%inclusion909 decks6.04K decks
13%synergy
Massacre Girl, Known Killer
14%inclusion841 decks6.04K decks
12%synergy
Cunning Sparkmage
14%inclusion828 decks6.04K decks
13%synergy
Blood Artist
13%inclusion815 decks6.04K decks
-5%synergy
Clackbridge Troll
12%inclusion743 decks6.04K decks
12%synergy
Vulshok Sorcerer
12%inclusion706 decks6.04K decks
11%synergy
Sram, Senior Edificer
12%inclusion706 decks6.04K decks
9%synergy
Aang, Airbending Master
11%inclusion355 decks3.10K decks
10%synergy
Tor Wauki the Younger
11%inclusion690 decks6.04K decks
11%synergy
Solemn Simulacrum
11%inclusion675 decks6.04K decks
-2%synergy
Grateful Apparition
11%inclusion666 decks6.04K decks
11%synergy
Royal Assassin
11%inclusion665 decks6.04K decks
8%synergy
Azula, Ruthless Firebender
11%inclusion273 decks2.52K decks
11%synergy
Zuko, Firebending Master
11%inclusion269 decks2.50K decks
9%synergy
Gisa, Glorious Resurrector
11%inclusion639 decks6.04K decks
10%synergy
Robaran Mercenaries
10%inclusion596 decks6.04K decks
10%synergy
Bureau Headmaster
10%inclusion591 decks6.04K decks
9%synergy
Torbran, Thane of Red Fell
10%inclusion582 decks6.04K decks
9%synergy
Stonehewer Giant
9.3%inclusion563 decks6.04K decks
8%synergy
Qarsi Revenant
8.7%inclusion375 decks4.29K decks
6%synergy
Instants
Boros Charm
44%inclusion2.67K decks6.04K decks
15%synergy
Mirrodin Avenged
41%inclusion2.45K decks6.04K decks
40%synergy
Crackling Doom
37%inclusion2.22K decks6.04K decks
20%synergy
Stroke of Midnight
33%inclusion2.01K decks6.04K decks
22%synergy
Path to Exile
32%inclusion1.96K decks6.04K decks
-14%synergy
Anguished Unmaking
31%inclusion1.89K decks6.04K decks
-2%synergy
Fracture
30%inclusion1.81K decks6.04K decks
24%synergy
Generous Gift
28%inclusion1.69K decks6.04K decks
10%synergy
Despark
22%inclusion1.31K decks6.04K decks
8%synergy
Offer Immortality
21%inclusion1.26K decks6.04K decks
20%synergy
Flawless Maneuver
18%inclusion1.11K decks6.04K decks
4%synergy
Bladebrand
18%inclusion1.10K decks6.04K decks
18%synergy
Deflecting Swat
17%inclusion1.03K decks6.04K decks
1%synergy
Mortify
17%inclusion999 decks6.04K decks
1%synergy
Chaos Warp
16%inclusion964 decks6.04K decks
0%synergy
Terminate
14%inclusion821 decks6.04K decks
1%synergy
Dire Tactics
13%inclusion762 decks6.04K decks
10%synergy
Wear // Tear
12%inclusion741 decks6.04K decks
1%synergy
Dawn's Truce
12%inclusion722 decks5.93K decks
5%synergy
Rakdos Charm
12%inclusion729 decks6.04K decks
3%synergy
Deflecting Palm
11%inclusion637 decks6.04K decks
4%synergy
Malakir Rebirth
10%inclusion606 decks6.04K decks
5%synergy
Virulent Swipe
8.0%inclusion485 decks6.04K decks
8%synergy
Sejiri Shelter
8.0%inclusion482 decks6.04K decks
6%synergy
Deadly Rollick
7.9%inclusion477 decks6.04K decks
-3%synergy
Battle-Rage Blessing
7.4%inclusion445 decks6.04K decks
7%synergy
Untimely Malfunction
7.3%inclusion407 decks5.55K decks
2%synergy
Legion Leadership
7.0%inclusion422 decks6.04K decks
2%synergy
Tragic Slip
6.9%inclusion419 decks6.04K decks
6%synergy
Thrill of Possibility
6.5%inclusion391 decks6.04K decks
-1%synergy
Toxin Analysis
6.2%inclusion373 decks6.04K decks
6%synergy
Whisper of the Dross
6.0%inclusion363 decks6.04K decks
6%synergy
Bedevil
6.0%inclusion362 decks6.04K decks
-1%synergy
Loran's Escape
5.9%inclusion355 decks6.04K decks
4%synergy
Dark Ritual
5.8%inclusion352 decks6.04K decks
-11%synergy
Volt Charge
5.5%inclusion330 decks6.04K decks
5%synergy
Utter End
5.4%inclusion324 decks6.04K decks
1%synergy
Swift Demise
5.3%inclusion79 decks1.48K decks
5%synergy
Alesha's Legacy
5.3%inclusion228 decks4.27K decks
4%synergy
Touch of Moonglove
5.3%inclusion320 decks6.04K decks
5%synergy
Sorceries
Ruinous Ultimatum
45%inclusion2.72K decks6.04K decks
6%synergy
Steelshaper's Gift
35%inclusion2.12K decks6.04K decks
32%synergy
Mythos of Snapdax
32%inclusion1.92K decks6.04K decks
26%synergy
Painful Truths
28%inclusion1.70K decks6.04K decks
20%synergy
Night's Whisper
26%inclusion1.60K decks6.04K decks
13%synergy
Read the Bones
25%inclusion1.54K decks6.04K decks
17%synergy
Vandalblast
22%inclusion1.36K decks6.04K decks
12%synergy
Blasphemous Act
22%inclusion1.31K decks6.04K decks
-1%synergy
Call of the Death-Dweller
19%inclusion1.17K decks6.04K decks
19%synergy
Sign in Blood
17%inclusion1.03K decks6.04K decks
9%synergy
Drown in Ichor
15%inclusion900 decks6.04K decks
15%synergy
Sevinne's Reclamation
14%inclusion843 decks6.04K decks
6%synergy
Chandra's Ignition
13%inclusion814 decks6.04K decks
11%synergy
Damn
13%inclusion811 decks6.04K decks
-4%synergy
Vindicate
10%inclusion614 decks6.04K decks
4%synergy
Faithless Looting
8.4%inclusion509 decks6.04K decks
-7%synergy
Single Combat
8.3%inclusion501 decks6.04K decks
7%synergy
Unfinished Business
8.0%inclusion484 decks6.04K decks
8%synergy
Unearth
8.0%inclusion483 decks6.04K decks
6%synergy
Toxic Deluge
8.0%inclusion483 decks6.04K decks
-0%synergy
Austere Command
7.7%inclusion463 decks6.04K decks
1%synergy
Diabolic Tutor
6.0%inclusion365 decks6.04K decks
0%synergy
Feed the Swarm
6.0%inclusion364 decks6.04K decks
1%synergy
Reanimate
5.9%inclusion359 decks6.04K decks
-12%synergy
Vat Emergence
5.2%inclusion312 decks6.04K decks
5%synergy
Utility Artifacts
Quietus Spike
44%inclusion2.67K decks6.04K decks
43%synergy
Magewright's Stone
42%inclusion2.54K decks6.04K decks
41%synergy
Shadowspear
40%inclusion2.42K decks6.04K decks
36%synergy
Illusionist's Bracers
35%inclusion2.10K decks6.04K decks
33%synergy
Hunter's Blowgun
30%inclusion1.79K decks6.04K decks
29%synergy
Thousand-Year Elixir
29%inclusion1.75K decks6.04K decks
28%synergy
Lightning Greaves
24%inclusion1.42K decks6.04K decks
-11%synergy
Mithril Coat
19%inclusion1.17K decks6.04K decks
14%synergy
Glaring Spotlight
17%inclusion1K decks6.04K decks
16%synergy
Battlemage's Bracers
14%inclusion850 decks6.04K decks
13%synergy
Brotherhood Regalia
12%inclusion731 decks6.04K decks
9%synergy
Sword of the Animist
12%inclusion695 decks6.04K decks
3%synergy
Whispersilk Cloak
11%inclusion664 decks6.04K decks
5%synergy
Hammer of Nazahn
9.4%inclusion565 decks6.04K decks
7%synergy
Wayfarer's Bauble
8.9%inclusion539 decks6.04K decks
1%synergy
Puppet Strings
8.7%inclusion524 decks6.04K decks
8%synergy
Sword of Truth and Justice
8.4%inclusion505 decks6.04K decks
8%synergy
The Masamune
8.3%inclusion306 decks3.67K decks
8%synergy
Hidden Blade
8.2%inclusion494 decks6.04K decks
7%synergy
Robe of Stars
8.1%inclusion491 decks6.04K decks
7%synergy
Darksteel Plate
7.0%inclusion421 decks6.04K decks
5%synergy
Dragonfire Blade
6.4%inclusion271 decks4.24K decks
5%synergy
Mask of Griselbrand
6.3%inclusion381 decks6.04K decks
5%synergy
Haystack
6.1%inclusion370 decks6.04K decks
5%synergy
Scythe of the Wretched
6.1%inclusion367 decks6.04K decks
6%synergy
The Reaver Cleaver
6.0%inclusion365 decks6.04K decks
0%synergy
Reaper's Talisman
5.5%inclusion333 decks6.04K decks
5%synergy
Halo Fountain
5.1%inclusion307 decks6.04K decks
5%synergy
Enchantments
Fighter Class
35%inclusion2.13K decks6.04K decks
32%synergy
All-Out Assault
32%inclusion1.39K decks4.29K decks
21%synergy
Phyrexian Arena
32%inclusion1.94K decks6.04K decks
14%synergy
Dazzling Theater // Prop Room
28%inclusion1.53K decks5.51K decks
26%synergy
Aspect of Gorgon
25%inclusion1.52K decks6.04K decks
25%synergy
Revel in Riches
22%inclusion1.34K decks6.04K decks
16%synergy
Sigarda's Aid
17%inclusion1.05K decks6.04K decks
15%synergy
Reconnaissance
17%inclusion1.01K decks6.04K decks
5%synergy
At Knifepoint
17%inclusion1K decks6.04K decks
15%synergy
Black Market
16%inclusion996 decks6.04K decks
11%synergy
Black Market Connections
16%inclusion976 decks6.04K decks
0%synergy
Forge Anew
13%inclusion784 decks6.04K decks
11%synergy
Retreat to Hagra
13%inclusion764 decks6.04K decks
12%synergy
Death Pits of Rath
13%inclusion759 decks6.04K decks
12%synergy
Agent of the Shadow Thieves
12%inclusion748 decks6.04K decks
12%synergy
Eternal Thirst
9.2%inclusion556 decks6.04K decks
9%synergy
Ghostly Prison
9.0%inclusion542 decks6.04K decks
1%synergy
Nowhere to Run
7.9%inclusion474 decks6.04K decks
7%synergy
Grave Betrayal
7.6%inclusion461 decks6.04K decks
7%synergy
Gift of Immortality
7.3%inclusion442 decks6.04K decks
6%synergy
Kaya's Ghostform
7.3%inclusion440 decks6.04K decks
5%synergy
Land Tax
7.0%inclusion420 decks6.04K decks
1%synergy
Trouble in Pairs
6.3%inclusion380 decks6.04K decks
1%synergy
Spiteful Banditry
5.0%inclusion304 decks6.04K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.5%inclusion513 decks6.04K decks
8%synergy
Kaya, Geist Hunter
7.0%inclusion422 decks6.04K decks
3%synergy
Utility Lands
Vault of the Archangel
50%inclusion3.04K decks6.04K decks
27%synergy
Rogue's Passage
50%inclusion3.02K decks6.04K decks
26%synergy
Bojuka Bog
37%inclusion2.24K decks6.04K decks
6%synergy
Arcane Lighthouse
34%inclusion2.06K decks6.04K decks
33%synergy
Detection Tower
24%inclusion1.45K decks6.04K decks
23%synergy
Karn's Bastion
22%inclusion1.34K decks6.04K decks
21%synergy
Axgard Armory
17%inclusion1.01K decks6.04K decks
15%synergy
Urborg, Tomb of Yawgmoth
13%inclusion783 decks6.04K decks
-0%synergy
Reliquary Tower
12%inclusion743 decks6.04K decks
-3%synergy
Buried Ruin
12%inclusion709 decks6.04K decks
9%synergy
Shizo, Death's Storehouse
10%inclusion622 decks6.04K decks
3%synergy
Urza's Saga
8.6%inclusion518 decks6.04K decks
4%synergy
Sunhome, Fortress of the Legion
7.6%inclusion459 decks6.04K decks
4%synergy
Temple of the False God
6.9%inclusion417 decks6.04K decks
1%synergy
Mana Artifacts
Arcane Signet
86%inclusion5.19K decks6.04K decks
0%synergy
Sol Ring
85%inclusion5.13K decks6.04K decks
-3%synergy
Patriar's Seal
56%inclusion3.39K decks6.04K decks
54%synergy
Orzhov Signet
42%inclusion2.52K decks6.04K decks
11%synergy
Rakdos Signet
38%inclusion2.30K decks6.04K decks
10%synergy
Talisman of Hierarchy
37%inclusion2.21K decks6.04K decks
-4%synergy
Boros Signet
35%inclusion2.14K decks6.04K decks
8%synergy
Talisman of Conviction
34%inclusion2.06K decks6.04K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.81K decks6.04K decks
-7%synergy
Fellwar Stone
24%inclusion1.45K decks6.04K decks
-4%synergy
Bounty Board
22%inclusion1.35K decks6.04K decks
20%synergy
Commander's Sphere
15%inclusion923 decks6.04K decks
2%synergy
Aetheric Amplifier
12%inclusion590 decks4.75K decks
12%synergy
Bandit's Haul
12%inclusion708 decks6.04K decks
11%synergy
Chromatic Lantern
10%inclusion588 decks6.04K decks
-1%synergy
Mind Stone
5.9%inclusion356 decks6.04K decks
-3%synergy
Lands
Plains
97%inclusion5.87K decks6.04K decks
2%synergy
Swamp
97%inclusion5.87K decks6.04K decks
2%synergy
Mountain
96%inclusion5.79K decks6.04K decks
2%synergy
Command Tower
93%inclusion5.62K decks6.04K decks
1%synergy
Nomad Outpost
66%inclusion3.97K decks6.04K decks
8%synergy
Exotic Orchard
57%inclusion3.45K decks6.04K decks
4%synergy
Isolated Chapel
54%inclusion3.28K decks6.04K decks
1%synergy
Clifftop Retreat
53%inclusion3.19K decks6.04K decks
1%synergy
Dragonskull Summit
53%inclusion3.17K decks6.04K decks
0%synergy
Savai Triome
48%inclusion2.93K decks6.04K decks
11%synergy
Godless Shrine
48%inclusion2.91K decks6.04K decks
0%synergy
Sacred Foundry
46%inclusion2.80K decks6.04K decks
1%synergy
Blood Crypt
46%inclusion2.77K decks6.04K decks
1%synergy
Caves of Koilos
41%inclusion2.49K decks6.04K decks
2%synergy
Battlefield Forge
39%inclusion2.38K decks6.04K decks
-1%synergy
Vault of Champions
39%inclusion2.35K decks6.04K decks
7%synergy
Spectator Seating
37%inclusion2.25K decks6.04K decks
6%synergy
Forbidden Orchard
36%inclusion2.19K decks6.04K decks
34%synergy
Luxury Suite
35%inclusion2.11K decks6.04K decks
4%synergy
Smoldering Marsh
34%inclusion2.04K decks6.04K decks
-3%synergy
Bloodstained Mire
29%inclusion1.78K decks6.04K decks
-3%synergy
Marsh Flats
29%inclusion1.75K decks6.04K decks
-2%synergy
Arid Mesa
29%inclusion1.74K decks6.04K decks
-3%synergy
Evolving Wilds
26%inclusion1.56K decks6.04K decks
0%synergy
Sulfurous Springs
25%inclusion1.52K decks6.04K decks
-3%synergy
Sundown Pass
25%inclusion1.50K decks6.04K decks
3%synergy
Shattered Sanctum
25%inclusion1.50K decks6.04K decks
-1%synergy
Path of Ancestry
24%inclusion1.45K decks6.04K decks
-14%synergy
Haunted Ridge
22%inclusion1.33K decks6.04K decks
2%synergy
Shattered Landscape
21%inclusion1.27K decks6.04K decks
2%synergy
Temple of Silence
19%inclusion1.18K decks6.04K decks
-2%synergy
Temple of Triumph
18%inclusion1.11K decks6.04K decks
-3%synergy
Orzhov Basilica
18%inclusion1.10K decks6.04K decks
5%synergy
Terramorphic Expanse
17%inclusion999 decks6.04K decks
-2%synergy
Boros Garrison
16%inclusion967 decks6.04K decks
4%synergy
Fetid Heath
15%inclusion932 decks6.04K decks
-6%synergy
Rakdos Carnarium
15%inclusion920 decks6.04K decks
4%synergy
Temple of Malice
15%inclusion908 decks6.04K decks
-1%synergy
Rugged Prairie
14%inclusion854 decks6.04K decks
-4%synergy
Brightclimb Pathway
12%inclusion738 decks6.04K decks
4%synergy
Myriad Landscape
12%inclusion706 decks6.04K decks
1%synergy
Shadowblood Ridge
11%inclusion685 decks6.04K decks
-4%synergy
Needleverge Pathway
11%inclusion666 decks6.04K decks
3%synergy
Scrubland
11%inclusion664 decks6.04K decks
-1%synergy
Plateau
11%inclusion661 decks6.04K decks
-1%synergy
Badlands
11%inclusion657 decks6.04K decks
-1%synergy
Blightstep Pathway
10%inclusion627 decks6.04K decks
3%synergy
Malakir Rebirth
10%inclusion606 decks6.04K decks
5%synergy
Blazemire Verge
10%inclusion555 decks5.56K decks
-2%synergy
Tainted Field
10%inclusion600 decks6.04K decks
-2%synergy