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
Swift Demise
6.2%inclusion55 decks884 decks
6%synergy
Decorum Dissertation
4.5%inclusion15 decks332 decks
3%synergy
Emeritus of Woe
3.6%inclusion11 decks305 decks
-1%synergy
Eclipsed Steppe
3.2%inclusion13 decks409 decks
2%synergy
Turbulent Steppe
2.9%inclusion12 decks409 decks
1%synergy
High Synergy Cards
Basilisk Collar
89%inclusion5.24K decks5.89K decks
85%synergy
Rune of Mortality
74%inclusion4.36K decks5.89K decks
73%synergy
Minthara, Merciless Soul
73%inclusion4.31K decks5.89K decks
72%synergy
Otharri, Suns' Glory
73%inclusion4.33K decks5.89K decks
68%synergy
Vorpal Sword
69%inclusion4.05K decks5.89K decks
67%synergy
Gorgon's Head
66%inclusion3.86K decks5.89K decks
64%synergy
Mari, the Killing Quill
68%inclusion4K decks5.89K decks
62%synergy
Drumbellower
62%inclusion3.66K decks5.89K decks
60%synergy
Falthis, Shadowcat Familiar
61%inclusion3.62K decks5.89K decks
60%synergy
Sting, the Glinting Dagger
62%inclusion3.62K decks5.89K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.18K decks5.89K decks
53%synergy
Thornbite Staff
61%inclusion3.57K decks5.89K decks
59%synergy
Swiftfoot Boots
61%inclusion3.57K decks5.89K decks
29%synergy
Shay Cormac
58%inclusion3.27K decks5.64K decks
55%synergy
General's Enforcer
55%inclusion3.25K decks5.89K decks
47%synergy
Open the Armory
53%inclusion3.12K decks5.89K decks
49%synergy
You Are Already Dead
53%inclusion3.09K decks5.89K decks
51%synergy
Swords to Plowshares
50%inclusion2.92K decks5.89K decks
-12%synergy
Gift of Doom
48%inclusion2.82K decks5.89K decks
47%synergy
Gorgon Flail
47%inclusion2.79K decks5.89K decks
47%synergy
Game Changers
Smothering Tithe
20%inclusion1.16K decks5.89K decks
-5%synergy
Enlightened Tutor
16%inclusion937 decks5.89K decks
4%synergy
Teferi's Protection
16%inclusion927 decks5.89K decks
-4%synergy
Demonic Tutor
15%inclusion895 decks5.89K decks
-4%synergy
Vampiric Tutor
9.4%inclusion556 decks5.89K decks
-5%synergy
Farewell
8.5%inclusion500 decks5.89K decks
-2%synergy
Orcish Bowmasters
7.9%inclusion468 decks5.89K decks
3%synergy
Jeska's Will
6.2%inclusion364 decks5.89K decks
-4%synergy
Creatures
Termination Facilitator
45%inclusion2.67K decks5.89K decks
44%synergy
Magda, the Hoardmaster
44%inclusion2.60K decks5.89K decks
42%synergy
Lae'zel, Vlaakith's Champion
43%inclusion2.56K decks5.89K decks
42%synergy
Daxos the Returned
42%inclusion2.46K decks5.89K decks
41%synergy
Maha, Its Feathers Night
41%inclusion2.27K decks5.49K decks
40%synergy
Kalemne, Disciple of Iroas
41%inclusion2.40K decks5.89K decks
40%synergy
Humble Defector
40%inclusion2.34K decks5.89K decks
37%synergy
Mathas, Fiend Seeker
38%inclusion2.24K decks5.89K decks
36%synergy
Harvester of Souls
37%inclusion2.21K decks5.89K decks
34%synergy
White Plume Adventurer
37%inclusion2.15K decks5.89K decks
35%synergy
Taii Wakeen, Perfect Shot
36%inclusion2.13K decks5.89K decks
35%synergy
Slaughter Specialist
36%inclusion2.12K decks5.89K decks
35%synergy
Void Beckoner
35%inclusion2.04K decks5.89K decks
34%synergy
Mother of Runes
31%inclusion1.82K decks5.89K decks
24%synergy
Goblin Sharpshooter
30%inclusion1.79K decks5.89K decks
30%synergy
Ertha Jo, Frontier Mentor
30%inclusion1.77K decks5.89K decks
29%synergy
Archetype of Finality
29%inclusion1.70K decks5.89K decks
28%synergy
Blood Cultist
25%inclusion1.49K decks5.89K decks
25%synergy
Puresteel Paladin
24%inclusion1.39K decks5.89K decks
20%synergy
Athreos, Shroud-Veiled
24%inclusion1.39K decks5.89K decks
22%synergy
Stoneforge Mystic
22%inclusion1.31K decks5.89K decks
19%synergy
Sun Titan
22%inclusion1.28K decks5.89K decks
11%synergy
Zagras, Thief of Heartbeats
21%inclusion1.22K decks5.89K decks
20%synergy
Esper Sentinel
20%inclusion1.19K decks5.89K decks
2%synergy
Marvin, Murderous Mimic
20%inclusion1.01K decks5.06K decks
19%synergy
Assault Intercessor
20%inclusion1.16K decks5.89K decks
19%synergy
Queen Marchesa
18%inclusion1.09K decks5.89K decks
12%synergy
Ankle Shanker
17%inclusion1.01K decks5.89K decks
14%synergy
Akiri, Fearless Voyager
15%inclusion912 decks5.89K decks
13%synergy
Deathbringer Thoctar
15%inclusion901 decks5.89K decks
15%synergy
Kratos, Stoic Father
15%inclusion328 decks2.22K decks
14%synergy
Massacre Girl, Known Killer
14%inclusion845 decks5.89K decks
12%synergy
Cunning Sparkmage
14%inclusion838 decks5.89K decks
14%synergy
Blood Artist
14%inclusion807 decks5.89K decks
-4%synergy
Clackbridge Troll
13%inclusion756 decks5.89K decks
12%synergy
Vulshok Sorcerer
12%inclusion710 decks5.89K decks
12%synergy
Tor Wauki the Younger
12%inclusion700 decks5.89K decks
12%synergy
Solemn Simulacrum
12%inclusion690 decks5.89K decks
-1%synergy
Sram, Senior Edificer
12%inclusion690 decks5.89K decks
9%synergy
Royal Assassin
11%inclusion669 decks5.89K decks
8%synergy
Zuko, Firebending Master
11%inclusion223 decks1.96K decks
10%synergy
Grateful Apparition
11%inclusion662 decks5.89K decks
11%synergy
Aang, Airbending Master
11%inclusion284 decks2.58K decks
10%synergy
Azula, Ruthless Firebender
11%inclusion217 decks1.98K decks
11%synergy
Gisa, Glorious Resurrector
11%inclusion646 decks5.89K decks
10%synergy
Robaran Mercenaries
10%inclusion615 decks5.89K decks
10%synergy
Torbran, Thane of Red Fell
10%inclusion594 decks5.89K decks
10%synergy
Bureau Headmaster
10%inclusion561 decks5.62K decks
9%synergy
Stonehewer Giant
10%inclusion571 decks5.89K decks
9%synergy
Qarsi Revenant
8.8%inclusion333 decks3.80K decks
6%synergy
Instants
Boros Charm
44%inclusion2.60K decks5.89K decks
15%synergy
Mirrodin Avenged
41%inclusion2.42K decks5.89K decks
40%synergy
Crackling Doom
37%inclusion2.19K decks5.89K decks
20%synergy
Stroke of Midnight
34%inclusion1.98K decks5.89K decks
22%synergy
Path to Exile
32%inclusion1.87K decks5.89K decks
-15%synergy
Anguished Unmaking
31%inclusion1.83K decks5.89K decks
-3%synergy
Fracture
30%inclusion1.77K decks5.89K decks
24%synergy
Generous Gift
29%inclusion1.68K decks5.89K decks
11%synergy
Despark
22%inclusion1.32K decks5.89K decks
9%synergy
Offer Immortality
22%inclusion1.27K decks5.89K decks
21%synergy
Bladebrand
19%inclusion1.09K decks5.89K decks
18%synergy
Flawless Maneuver
18%inclusion1.08K decks5.89K decks
4%synergy
Mortify
17%inclusion1.01K decks5.89K decks
2%synergy
Deflecting Swat
16%inclusion955 decks5.89K decks
0%synergy
Chaos Warp
16%inclusion931 decks5.89K decks
0%synergy
Terminate
14%inclusion818 decks5.89K decks
1%synergy
Dire Tactics
13%inclusion784 decks5.89K decks
11%synergy
Dawn's Truce
12%inclusion679 decks5.46K decks
5%synergy
Wear // Tear
12%inclusion728 decks5.89K decks
1%synergy
Rakdos Charm
12%inclusion705 decks5.89K decks
3%synergy
Deflecting Palm
11%inclusion626 decks5.89K decks
4%synergy
Malakir Rebirth
10%inclusion589 decks5.89K decks
5%synergy
Virulent Swipe
8.5%inclusion501 decks5.89K decks
8%synergy
Sejiri Shelter
8.1%inclusion476 decks5.89K decks
6%synergy
Deadly Rollick
7.7%inclusion451 decks5.89K decks
-3%synergy
Battle-Rage Blessing
7.6%inclusion450 decks5.89K decks
7%synergy
Untimely Malfunction
7.1%inclusion361 decks5.08K decks
2%synergy
Tragic Slip
7.1%inclusion417 decks5.89K decks
6%synergy
Legion Leadership
7.0%inclusion403 decks5.76K decks
3%synergy
Thrill of Possibility
6.6%inclusion388 decks5.89K decks
-1%synergy
Bedevil
6.6%inclusion386 decks5.89K decks
0%synergy
Toxin Analysis
6.4%inclusion375 decks5.89K decks
6%synergy
Whisper of the Dross
6.2%inclusion366 decks5.89K decks
6%synergy
Loran's Escape
5.9%inclusion350 decks5.89K decks
5%synergy
Utter End
5.8%inclusion340 decks5.89K decks
1%synergy
Touch of Moonglove
5.6%inclusion330 decks5.89K decks
5%synergy
Volt Charge
5.6%inclusion327 decks5.89K decks
5%synergy
Dark Ritual
5.4%inclusion316 decks5.89K decks
-11%synergy
Alesha's Legacy
5.3%inclusion199 decks3.77K decks
4%synergy
Sorceries
Ruinous Ultimatum
45%inclusion2.66K decks5.89K decks
6%synergy
Steelshaper's Gift
34%inclusion1.99K decks5.89K decks
31%synergy
Mythos of Snapdax
32%inclusion1.91K decks5.89K decks
27%synergy
Painful Truths
29%inclusion1.70K decks5.89K decks
21%synergy
Read the Bones
26%inclusion1.55K decks5.89K decks
17%synergy
Night's Whisper
26%inclusion1.54K decks5.89K decks
13%synergy
Vandalblast
23%inclusion1.33K decks5.89K decks
12%synergy
Blasphemous Act
21%inclusion1.26K decks5.89K decks
-1%synergy
Call of the Death-Dweller
20%inclusion1.20K decks5.89K decks
20%synergy
Sign in Blood
18%inclusion1.04K decks5.89K decks
10%synergy
Drown in Ichor
15%inclusion908 decks5.89K decks
15%synergy
Sevinne's Reclamation
14%inclusion822 decks5.89K decks
6%synergy
Chandra's Ignition
14%inclusion796 decks5.89K decks
12%synergy
Damn
13%inclusion791 decks5.89K decks
-4%synergy
Vindicate
11%inclusion633 decks5.89K decks
5%synergy
Unfinished Business
8.8%inclusion517 decks5.89K decks
8%synergy
Single Combat
8.6%inclusion506 decks5.89K decks
7%synergy
Faithless Looting
8.5%inclusion501 decks5.89K decks
-7%synergy
Unearth
8.4%inclusion497 decks5.89K decks
6%synergy
Austere Command
8.1%inclusion478 decks5.89K decks
1%synergy
Toxic Deluge
8.0%inclusion469 decks5.89K decks
0%synergy
Diabolic Tutor
6.5%inclusion383 decks5.89K decks
0%synergy
Feed the Swarm
6.2%inclusion366 decks5.89K decks
1%synergy
Reanimate
5.7%inclusion336 decks5.89K decks
-12%synergy
Vat Emergence
5.2%inclusion307 decks5.89K decks
5%synergy
Rip Apart
5.1%inclusion303 decks5.89K decks
4%synergy
Utility Artifacts
Quietus Spike
44%inclusion2.61K decks5.89K decks
43%synergy
Magewright's Stone
41%inclusion2.44K decks5.89K decks
40%synergy
Shadowspear
39%inclusion2.30K decks5.89K decks
35%synergy
Illusionist's Bracers
34%inclusion2.03K decks5.89K decks
33%synergy
Hunter's Blowgun
30%inclusion1.77K decks5.89K decks
30%synergy
Thousand-Year Elixir
29%inclusion1.70K decks5.89K decks
28%synergy
Lightning Greaves
23%inclusion1.37K decks5.89K decks
-11%synergy
Mithril Coat
19%inclusion1.13K decks5.89K decks
14%synergy
Glaring Spotlight
17%inclusion979 decks5.89K decks
16%synergy
Battlemage's Bracers
15%inclusion862 decks5.89K decks
14%synergy
Brotherhood Regalia
12%inclusion668 decks5.63K decks
9%synergy
Sword of the Animist
12%inclusion695 decks5.89K decks
3%synergy
Whispersilk Cloak
11%inclusion651 decks5.89K decks
5%synergy
Wayfarer's Bauble
10%inclusion572 decks5.89K decks
1%synergy
Hammer of Nazahn
9.4%inclusion556 decks5.89K decks
8%synergy
Puppet Strings
8.8%inclusion518 decks5.89K decks
9%synergy
The Masamune
8.6%inclusion271 decks3.16K decks
8%synergy
Sword of Truth and Justice
8.5%inclusion501 decks5.89K decks
8%synergy
Robe of Stars
8.3%inclusion491 decks5.89K decks
7%synergy
Hidden Blade
8.3%inclusion490 decks5.89K decks
8%synergy
Darksteel Plate
6.9%inclusion406 decks5.89K decks
5%synergy
Mask of Griselbrand
6.6%inclusion386 decks5.89K decks
5%synergy
Dragonfire Blade
6.2%inclusion233 decks3.74K decks
5%synergy
The Reaver Cleaver
6.1%inclusion361 decks5.89K decks
0%synergy
Scythe of the Wretched
5.9%inclusion349 decks5.89K decks
6%synergy
Haystack
5.7%inclusion338 decks5.89K decks
4%synergy
Reaper's Talisman
5.7%inclusion337 decks5.89K decks
5%synergy
Sunforger
5.2%inclusion304 decks5.89K decks
2%synergy
Halo Fountain
5.0%inclusion297 decks5.89K decks
5%synergy
Enchantments
Fighter Class
35%inclusion2.06K decks5.89K decks
32%synergy
Phyrexian Arena
32%inclusion1.89K decks5.89K decks
14%synergy
All-Out Assault
31%inclusion1.19K decks3.80K decks
19%synergy
Dazzling Theater // Prop Room
28%inclusion1.39K decks5.04K decks
26%synergy
Aspect of Gorgon
26%inclusion1.53K decks5.89K decks
25%synergy
Revel in Riches
22%inclusion1.29K decks5.89K decks
16%synergy
Sigarda's Aid
17%inclusion1.01K decks5.89K decks
14%synergy
At Knifepoint
17%inclusion1.01K decks5.89K decks
16%synergy
Black Market
17%inclusion994 decks5.89K decks
12%synergy
Reconnaissance
16%inclusion961 decks5.89K decks
5%synergy
Black Market Connections
15%inclusion909 decks5.89K decks
0%synergy
Retreat to Hagra
13%inclusion794 decks5.89K decks
13%synergy
Forge Anew
13%inclusion769 decks5.89K decks
11%synergy
Death Pits of Rath
13%inclusion763 decks5.89K decks
13%synergy
Agent of the Shadow Thieves
13%inclusion747 decks5.89K decks
12%synergy
Eternal Thirst
10%inclusion561 decks5.89K decks
9%synergy
Ghostly Prison
8.4%inclusion496 decks5.89K decks
1%synergy
Grave Betrayal
7.8%inclusion460 decks5.89K decks
7%synergy
Nowhere to Run
7.8%inclusion434 decks5.56K decks
7%synergy
Kaya's Ghostform
7.4%inclusion434 decks5.89K decks
5%synergy
Gift of Immortality
7.3%inclusion431 decks5.89K decks
6%synergy
Land Tax
6.6%inclusion390 decks5.89K decks
1%synergy
Trouble in Pairs
5.9%inclusion350 decks5.89K decks
1%synergy
Spiteful Banditry
5.0%inclusion295 decks5.89K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.6%inclusion508 decks5.89K decks
8%synergy
Kaya, Geist Hunter
7.0%inclusion413 decks5.89K decks
3%synergy
Utility Lands
Vault of the Archangel
50%inclusion2.96K decks5.89K decks
27%synergy
Rogue's Passage
50%inclusion2.92K decks5.89K decks
26%synergy
Bojuka Bog
37%inclusion2.18K decks5.89K decks
6%synergy
Arcane Lighthouse
33%inclusion1.95K decks5.89K decks
32%synergy
Detection Tower
24%inclusion1.43K decks5.89K decks
24%synergy
Karn's Bastion
22%inclusion1.31K decks5.89K decks
21%synergy
Axgard Armory
17%inclusion1K decks5.89K decks
15%synergy
Urborg, Tomb of Yawgmoth
13%inclusion753 decks5.89K decks
0%synergy
Reliquary Tower
12%inclusion728 decks5.89K decks
-3%synergy
Buried Ruin
12%inclusion683 decks5.89K decks
8%synergy
Shizo, Death's Storehouse
10%inclusion608 decks5.89K decks
3%synergy
Urza's Saga
8.3%inclusion491 decks5.89K decks
4%synergy
Sunhome, Fortress of the Legion
7.7%inclusion454 decks5.89K decks
4%synergy
Temple of the False God
7.1%inclusion416 decks5.89K decks
1%synergy
Mana Artifacts
Arcane Signet
86%inclusion5.08K decks5.89K decks
0%synergy
Sol Ring
85%inclusion5.01K decks5.89K decks
-3%synergy
Patriar's Seal
56%inclusion3.32K decks5.89K decks
54%synergy
Orzhov Signet
43%inclusion2.51K decks5.89K decks
11%synergy
Rakdos Signet
39%inclusion2.31K decks5.89K decks
10%synergy
Talisman of Hierarchy
36%inclusion2.14K decks5.89K decks
-4%synergy
Boros Signet
36%inclusion2.14K decks5.89K decks
9%synergy
Talisman of Conviction
34%inclusion2K decks5.89K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.75K decks5.89K decks
-7%synergy
Fellwar Stone
25%inclusion1.45K decks5.89K decks
-3%synergy
Bounty Board
21%inclusion1.26K decks5.89K decks
19%synergy
Commander's Sphere
16%inclusion949 decks5.89K decks
2%synergy
Aetheric Amplifier
12%inclusion520 decks4.26K decks
12%synergy
Bandit's Haul
12%inclusion689 decks5.89K decks
11%synergy
Chromatic Lantern
10%inclusion590 decks5.89K decks
-1%synergy
Mind Stone
6.1%inclusion360 decks5.89K decks
-2%synergy
Mardu Banner
5.2%inclusion307 decks5.89K decks
2%synergy
Lands
Swamp
97%inclusion5.72K decks5.89K decks
2%synergy
Plains
97%inclusion5.72K decks5.89K decks
2%synergy
Mountain
96%inclusion5.65K decks5.89K decks
2%synergy
Command Tower
93%inclusion5.48K decks5.89K decks
1%synergy
Nomad Outpost
66%inclusion3.91K decks5.89K decks
8%synergy
Exotic Orchard
57%inclusion3.35K decks5.89K decks
5%synergy
Isolated Chapel
54%inclusion3.16K decks5.89K decks
0%synergy
Dragonskull Summit
52%inclusion3.07K decks5.89K decks
0%synergy
Clifftop Retreat
52%inclusion3.06K decks5.89K decks
1%synergy
Savai Triome
48%inclusion2.83K decks5.89K decks
10%synergy
Godless Shrine
47%inclusion2.76K decks5.89K decks
-1%synergy
Sacred Foundry
45%inclusion2.64K decks5.89K decks
0%synergy
Blood Crypt
44%inclusion2.62K decks5.89K decks
0%synergy
Caves of Koilos
41%inclusion2.40K decks5.89K decks
1%synergy
Battlefield Forge
39%inclusion2.28K decks5.89K decks
-2%synergy
Vault of Champions
38%inclusion2.25K decks5.89K decks
6%synergy
Spectator Seating
37%inclusion2.16K decks5.89K decks
6%synergy
Forbidden Orchard
36%inclusion2.11K decks5.89K decks
33%synergy
Luxury Suite
34%inclusion2.02K decks5.89K decks
3%synergy
Smoldering Marsh
34%inclusion2.02K decks5.89K decks
-2%synergy
Bloodstained Mire
29%inclusion1.69K decks5.89K decks
-4%synergy
Marsh Flats
28%inclusion1.68K decks5.89K decks
-3%synergy
Arid Mesa
28%inclusion1.66K decks5.89K decks
-3%synergy
Evolving Wilds
27%inclusion1.58K decks5.89K decks
1%synergy
Sulfurous Springs
25%inclusion1.46K decks5.89K decks
-3%synergy
Path of Ancestry
24%inclusion1.41K decks5.89K decks
-14%synergy
Shattered Sanctum
24%inclusion1.40K decks5.89K decks
-1%synergy
Sundown Pass
24%inclusion1.39K decks5.89K decks
3%synergy
Haunted Ridge
21%inclusion1.26K decks5.89K decks
2%synergy
Shattered Landscape
21%inclusion1.22K decks5.72K decks
2%synergy
Temple of Silence
20%inclusion1.18K decks5.89K decks
-2%synergy
Temple of Triumph
19%inclusion1.11K decks5.89K decks
-3%synergy
Orzhov Basilica
19%inclusion1.10K decks5.89K decks
5%synergy
Terramorphic Expanse
17%inclusion1.02K decks5.89K decks
-2%synergy
Boros Garrison
17%inclusion974 decks5.89K decks
4%synergy
Rakdos Carnarium
16%inclusion932 decks5.89K decks
4%synergy
Temple of Malice
15%inclusion910 decks5.89K decks
-1%synergy
Fetid Heath
15%inclusion896 decks5.89K decks
-6%synergy
Rugged Prairie
14%inclusion807 decks5.89K decks
-3%synergy
Myriad Landscape
12%inclusion733 decks5.89K decks
1%synergy
Brightclimb Pathway
12%inclusion726 decks5.89K decks
4%synergy
Shadowblood Ridge
12%inclusion696 decks5.89K decks
-3%synergy
Needleverge Pathway
11%inclusion651 decks5.89K decks
3%synergy
Scrubland
11%inclusion630 decks5.89K decks
-1%synergy
Plateau
11%inclusion626 decks5.89K decks
-1%synergy
Badlands
11%inclusion622 decks5.89K decks
-2%synergy
Blightstep Pathway
10%inclusion615 decks5.89K decks
3%synergy
Tainted Field
10%inclusion601 decks5.89K decks
-2%synergy
Malakir Rebirth
10%inclusion589 decks5.89K decks
5%synergy
Blazemire Verge
10%inclusion502 decks5.09K decks
-2%synergy