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
Emeritus of Woe
4.7%inclusion18 decks381 decks
0%synergy
Decorum Dissertation
4.7%inclusion19 decks408 decks
3%synergy
Turbulent Steppe
3.3%inclusion16 decks482 decks
1%synergy
Eclipsed Steppe
3.1%inclusion15 decks482 decks
1%synergy
Turbulent Moor
2.5%inclusion12 decks482 decks
0%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%inclusion4.32K decks5.89K decks
68%synergy
Vorpal Sword
69%inclusion4.06K decks5.89K decks
67%synergy
Gorgon's Head
65%inclusion3.85K decks5.89K decks
64%synergy
Mari, the Killing Quill
68%inclusion4.01K 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%inclusion3.63K decks5.89K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.19K decks5.89K decks
53%synergy
Thornbite Staff
61%inclusion3.58K decks5.89K decks
59%synergy
Swiftfoot Boots
61%inclusion3.57K decks5.89K decks
29%synergy
Shay Cormac
58%inclusion3.30K decks5.68K decks
55%synergy
General's Enforcer
55%inclusion3.24K decks5.89K decks
47%synergy
Open the Armory
53%inclusion3.12K decks5.89K decks
49%synergy
You Are Already Dead
52%inclusion3.09K decks5.89K decks
51%synergy
Swords to Plowshares
50%inclusion2.93K decks5.89K decks
-12%synergy
Gift of Doom
48%inclusion2.81K 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%inclusion947 decks5.89K decks
4%synergy
Teferi's Protection
16%inclusion927 decks5.89K decks
-4%synergy
Demonic Tutor
15%inclusion897 decks5.89K decks
-4%synergy
Vampiric Tutor
9.5%inclusion557 decks5.89K decks
-5%synergy
Farewell
8.4%inclusion493 decks5.89K decks
-2%synergy
Orcish Bowmasters
7.9%inclusion467 decks5.89K decks
3%synergy
Jeska's Will
6.2%inclusion365 decks5.89K decks
-4%synergy
Creatures
Termination Facilitator
46%inclusion2.68K decks5.89K decks
44%synergy
Magda, the Hoardmaster
44%inclusion2.61K decks5.89K decks
42%synergy
Lae'zel, Vlaakith's Champion
43%inclusion2.55K decks5.89K decks
41%synergy
Daxos the Returned
42%inclusion2.46K decks5.89K decks
41%synergy
Maha, Its Feathers Night
41%inclusion2.29K decks5.54K decks
40%synergy
Kalemne, Disciple of Iroas
41%inclusion2.39K 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%inclusion2.20K decks5.89K decks
34%synergy
White Plume Adventurer
36%inclusion2.15K decks5.89K decks
35%synergy
Taii Wakeen, Perfect Shot
36%inclusion2.14K decks5.89K decks
36%synergy
Slaughter Specialist
36%inclusion2.10K decks5.89K decks
35%synergy
Void Beckoner
35%inclusion2.04K decks5.89K decks
34%synergy
Mother of Runes
31%inclusion1.83K decks5.89K decks
24%synergy
Goblin Sharpshooter
30%inclusion1.80K 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%inclusion1.48K decks5.89K decks
25%synergy
Puresteel Paladin
24%inclusion1.40K decks5.89K decks
20%synergy
Athreos, Shroud-Veiled
24%inclusion1.39K decks5.89K decks
22%synergy
Stoneforge Mystic
22%inclusion1.31K decks5.89K decks
20%synergy
Sun Titan
22%inclusion1.27K decks5.89K decks
11%synergy
Zagras, Thief of Heartbeats
21%inclusion1.22K decks5.89K decks
20%synergy
Esper Sentinel
20%inclusion1.20K decks5.89K decks
2%synergy
Marvin, Murderous Mimic
20%inclusion1.02K decks5.11K decks
19%synergy
Assault Intercessor
20%inclusion1.16K decks5.89K decks
19%synergy
Queen Marchesa
18%inclusion1.08K decks5.89K decks
12%synergy
Ankle Shanker
17%inclusion1.01K decks5.89K decks
14%synergy
Akiri, Fearless Voyager
16%inclusion914 decks5.89K decks
13%synergy
Deathbringer Thoctar
15%inclusion896 decks5.89K decks
15%synergy
Kratos, Stoic Father
15%inclusion337 decks2.28K decks
15%synergy
Massacre Girl, Known Killer
14%inclusion844 decks5.89K decks
12%synergy
Cunning Sparkmage
14%inclusion829 decks5.89K decks
14%synergy
Blood Artist
14%inclusion806 decks5.89K decks
-4%synergy
Clackbridge Troll
13%inclusion749 decks5.89K decks
12%synergy
Vulshok Sorcerer
12%inclusion704 decks5.89K decks
12%synergy
Tor Wauki the Younger
12%inclusion696 decks5.89K decks
12%synergy
Solemn Simulacrum
12%inclusion688 decks5.89K decks
-1%synergy
Sram, Senior Edificer
12%inclusion687 decks5.89K decks
9%synergy
Royal Assassin
11%inclusion668 decks5.89K decks
8%synergy
Grateful Apparition
11%inclusion657 decks5.89K decks
11%synergy
Zuko, Firebending Master
11%inclusion225 decks2.02K decks
10%synergy
Azula, Ruthless Firebender
11%inclusion226 decks2.03K decks
11%synergy
Aang, Airbending Master
11%inclusion290 decks2.63K decks
10%synergy
Gisa, Glorious Resurrector
11%inclusion646 decks5.89K decks
10%synergy
Robaran Mercenaries
10%inclusion612 decks5.89K decks
10%synergy
Torbran, Thane of Red Fell
10%inclusion595 decks5.89K decks
10%synergy
Bureau Headmaster
10%inclusion562 decks5.67K decks
9%synergy
Stonehewer Giant
10%inclusion569 decks5.89K decks
9%synergy
Qarsi Revenant
8.8%inclusion339 decks3.85K decks
6%synergy
Instants
Boros Charm
44%inclusion2.61K decks5.89K decks
15%synergy
Mirrodin Avenged
41%inclusion2.41K decks5.89K decks
40%synergy
Crackling Doom
37%inclusion2.18K 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%inclusion1.84K decks5.89K decks
-2%synergy
Fracture
30%inclusion1.78K 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%inclusion1.09K decks5.89K decks
4%synergy
Mortify
17%inclusion1.01K decks5.89K decks
2%synergy
Deflecting Swat
16%inclusion964 decks5.89K decks
1%synergy
Chaos Warp
16%inclusion934 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%inclusion683 decks5.51K decks
5%synergy
Wear // Tear
12%inclusion723 decks5.89K decks
1%synergy
Rakdos Charm
12%inclusion708 decks5.89K decks
3%synergy
Deflecting Palm
11%inclusion627 decks5.89K decks
4%synergy
Malakir Rebirth
10%inclusion595 decks5.89K decks
5%synergy
Virulent Swipe
8.5%inclusion502 decks5.89K decks
8%synergy
Sejiri Shelter
8.1%inclusion479 decks5.89K decks
6%synergy
Deadly Rollick
7.8%inclusion457 decks5.89K decks
-3%synergy
Battle-Rage Blessing
7.7%inclusion451 decks5.89K decks
7%synergy
Untimely Malfunction
7.1%inclusion366 decks5.13K decks
2%synergy
Tragic Slip
7.1%inclusion418 decks5.89K decks
6%synergy
Legion Leadership
7.0%inclusion405 decks5.81K decks
3%synergy
Thrill of Possibility
6.6%inclusion388 decks5.89K decks
-1%synergy
Bedevil
6.5%inclusion382 decks5.89K decks
-1%synergy
Toxin Analysis
6.3%inclusion373 decks5.89K decks
6%synergy
Swift Demise
6.2%inclusion59 decks947 decks
6%synergy
Whisper of the Dross
6.1%inclusion362 decks5.89K decks
6%synergy
Loran's Escape
6.0%inclusion353 decks5.89K decks
5%synergy
Utter End
5.7%inclusion335 decks5.89K decks
1%synergy
Touch of Moonglove
5.5%inclusion327 decks5.89K decks
5%synergy
Volt Charge
5.5%inclusion326 decks5.89K decks
5%synergy
Dark Ritual
5.5%inclusion322 decks5.89K decks
-11%synergy
Alesha's Legacy
5.3%inclusion203 decks3.82K decks
4%synergy
Sorceries
Ruinous Ultimatum
45%inclusion2.67K decks5.89K decks
6%synergy
Steelshaper's Gift
34%inclusion2.01K decks5.89K decks
31%synergy
Mythos of Snapdax
32%inclusion1.91K decks5.89K decks
27%synergy
Painful Truths
29%inclusion1.69K decks5.89K decks
21%synergy
Night's Whisper
26%inclusion1.54K decks5.89K decks
13%synergy
Read the Bones
26%inclusion1.54K decks5.89K decks
17%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
17%inclusion1.03K decks5.89K decks
10%synergy
Drown in Ichor
15%inclusion909 decks5.89K decks
15%synergy
Sevinne's Reclamation
14%inclusion819 decks5.89K decks
6%synergy
Chandra's Ignition
13%inclusion793 decks5.89K decks
11%synergy
Damn
13%inclusion792 decks5.89K decks
-4%synergy
Vindicate
11%inclusion627 decks5.89K decks
5%synergy
Unfinished Business
8.8%inclusion516 decks5.89K decks
8%synergy
Faithless Looting
8.6%inclusion504 decks5.89K decks
-7%synergy
Single Combat
8.5%inclusion499 decks5.89K decks
7%synergy
Unearth
8.3%inclusion491 decks5.89K decks
6%synergy
Austere Command
8.0%inclusion472 decks5.89K decks
1%synergy
Toxic Deluge
8.0%inclusion472 decks5.89K decks
0%synergy
Diabolic Tutor
6.5%inclusion383 decks5.89K decks
0%synergy
Feed the Swarm
6.2%inclusion365 decks5.89K decks
1%synergy
Reanimate
5.8%inclusion340 decks5.89K decks
-12%synergy
Vat Emergence
5.2%inclusion305 decks5.89K decks
5%synergy
Rip Apart
5.1%inclusion302 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%inclusion2.31K decks5.89K decks
35%synergy
Illusionist's Bracers
35%inclusion2.03K decks5.89K decks
33%synergy
Hunter's Blowgun
30%inclusion1.77K decks5.89K decks
29%synergy
Thousand-Year Elixir
29%inclusion1.70K decks5.89K decks
28%synergy
Lightning Greaves
23%inclusion1.38K decks5.89K decks
-11%synergy
Mithril Coat
19%inclusion1.14K decks5.89K decks
14%synergy
Glaring Spotlight
17%inclusion976 decks5.89K decks
16%synergy
Battlemage's Bracers
15%inclusion857 decks5.89K decks
14%synergy
Sword of the Animist
12%inclusion702 decks5.89K decks
3%synergy
Brotherhood Regalia
12%inclusion672 decks5.68K decks
9%synergy
Whispersilk Cloak
11%inclusion657 decks5.89K decks
6%synergy
Wayfarer's Bauble
10%inclusion566 decks5.89K decks
1%synergy
Hammer of Nazahn
9.5%inclusion557 decks5.89K decks
8%synergy
Puppet Strings
8.8%inclusion519 decks5.89K decks
9%synergy
Sword of Truth and Justice
8.5%inclusion501 decks5.89K decks
8%synergy
The Masamune
8.5%inclusion273 decks3.21K decks
8%synergy
Robe of Stars
8.4%inclusion492 decks5.89K decks
7%synergy
Hidden Blade
8.3%inclusion491 decks5.89K decks
8%synergy
Darksteel Plate
6.9%inclusion409 decks5.89K decks
5%synergy
Mask of Griselbrand
6.5%inclusion381 decks5.89K decks
5%synergy
Dragonfire Blade
6.3%inclusion237 decks3.79K decks
5%synergy
The Reaver Cleaver
6.2%inclusion363 decks5.89K decks
0%synergy
Scythe of the Wretched
6.0%inclusion351 decks5.89K decks
6%synergy
Haystack
5.8%inclusion344 decks5.89K decks
4%synergy
Reaper's Talisman
5.6%inclusion332 decks5.89K decks
5%synergy
Sunforger
5.1%inclusion302 decks5.89K decks
2%synergy
Halo Fountain
5.0%inclusion296 decks5.89K decks
4%synergy
Enchantments
Fighter Class
35%inclusion2.07K decks5.89K decks
32%synergy
Phyrexian Arena
32%inclusion1.89K decks5.89K decks
14%synergy
All-Out Assault
31%inclusion1.20K decks3.85K decks
19%synergy
Dazzling Theater // Prop Room
28%inclusion1.40K decks5.08K decks
26%synergy
Aspect of Gorgon
26%inclusion1.52K decks5.89K decks
25%synergy
Revel in Riches
22%inclusion1.30K decks5.89K decks
16%synergy
Sigarda's Aid
17%inclusion1.01K decks5.89K decks
14%synergy
At Knifepoint
17%inclusion1K decks5.89K decks
16%synergy
Black Market
17%inclusion997 decks5.89K decks
12%synergy
Reconnaissance
16%inclusion965 decks5.89K decks
5%synergy
Black Market Connections
16%inclusion915 decks5.89K decks
0%synergy
Retreat to Hagra
14%inclusion796 decks5.89K decks
13%synergy
Forge Anew
13%inclusion774 decks5.89K decks
11%synergy
Death Pits of Rath
13%inclusion759 decks5.89K decks
13%synergy
Agent of the Shadow Thieves
13%inclusion749 decks5.89K decks
12%synergy
Eternal Thirst
9.4%inclusion556 decks5.89K decks
9%synergy
Ghostly Prison
8.6%inclusion508 decks5.89K decks
1%synergy
Nowhere to Run
7.8%inclusion437 decks5.61K decks
7%synergy
Grave Betrayal
7.8%inclusion458 decks5.89K decks
7%synergy
Kaya's Ghostform
7.4%inclusion438 decks5.89K decks
5%synergy
Gift of Immortality
7.3%inclusion430 decks5.89K decks
6%synergy
Land Tax
6.7%inclusion394 decks5.89K decks
1%synergy
Trouble in Pairs
6.1%inclusion357 decks5.89K decks
1%synergy
Spiteful Banditry
5.0%inclusion296 decks5.89K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.6%inclusion505 decks5.89K decks
8%synergy
Kaya, Geist Hunter
7.0%inclusion415 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%inclusion1.96K 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%inclusion758 decks5.89K decks
0%synergy
Reliquary Tower
12%inclusion718 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
8.4%inclusion493 decks5.89K decks
4%synergy
Sunhome, Fortress of the Legion
7.7%inclusion452 decks5.89K decks
4%synergy
Temple of the False God
7.0%inclusion412 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
-4%synergy
Patriar's Seal
56%inclusion3.33K decks5.89K decks
54%synergy
Orzhov Signet
42%inclusion2.50K decks5.89K decks
11%synergy
Rakdos Signet
39%inclusion2.30K decks5.89K decks
10%synergy
Talisman of Hierarchy
37%inclusion2.15K decks5.89K decks
-4%synergy
Boros Signet
36%inclusion2.13K decks5.89K decks
9%synergy
Talisman of Conviction
34%inclusion2.01K decks5.89K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.76K decks5.89K decks
-7%synergy
Fellwar Stone
25%inclusion1.45K decks5.89K decks
-4%synergy
Bounty Board
22%inclusion1.27K decks5.89K decks
20%synergy
Commander's Sphere
16%inclusion945 decks5.89K decks
2%synergy
Aetheric Amplifier
12%inclusion524 decks4.31K decks
12%synergy
Bandit's Haul
12%inclusion686 decks5.89K decks
10%synergy
Chromatic Lantern
10%inclusion590 decks5.89K decks
-1%synergy
Mind Stone
6.1%inclusion358 decks5.89K decks
-3%synergy
Mardu Banner
5.2%inclusion304 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%inclusion3.17K decks5.89K decks
0%synergy
Dragonskull Summit
52%inclusion3.07K decks5.89K decks
0%synergy
Clifftop Retreat
52%inclusion3.07K decks5.89K decks
1%synergy
Savai Triome
48%inclusion2.83K decks5.89K decks
10%synergy
Godless Shrine
47%inclusion2.77K decks5.89K decks
-1%synergy
Sacred Foundry
45%inclusion2.65K decks5.89K decks
0%synergy
Blood Crypt
45%inclusion2.63K decks5.89K decks
0%synergy
Caves of Koilos
41%inclusion2.40K decks5.89K decks
2%synergy
Battlefield Forge
39%inclusion2.29K 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%inclusion2.03K decks5.89K decks
3%synergy
Smoldering Marsh
34%inclusion2.01K decks5.89K decks
-2%synergy
Bloodstained Mire
29%inclusion1.70K decks5.89K decks
-4%synergy
Marsh Flats
29%inclusion1.69K decks5.89K decks
-3%synergy
Arid Mesa
28%inclusion1.67K decks5.89K decks
-3%synergy
Evolving Wilds
27%inclusion1.57K 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%inclusion1.41K decks5.89K decks
0%synergy
Sundown Pass
24%inclusion1.40K decks5.89K decks
3%synergy
Haunted Ridge
22%inclusion1.27K decks5.89K decks
2%synergy
Shattered Landscape
21%inclusion1.22K decks5.77K 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%inclusion1.11K decks5.89K decks
5%synergy
Terramorphic Expanse
17%inclusion1.01K decks5.89K decks
-2%synergy
Boros Garrison
17%inclusion975 decks5.89K decks
4%synergy
Rakdos Carnarium
16%inclusion934 decks5.89K decks
4%synergy
Temple of Malice
15%inclusion908 decks5.89K decks
-1%synergy
Fetid Heath
15%inclusion901 decks5.89K decks
-6%synergy
Rugged Prairie
14%inclusion814 decks5.89K decks
-3%synergy
Myriad Landscape
12%inclusion727 decks5.89K decks
1%synergy
Brightclimb Pathway
12%inclusion725 decks5.89K decks
4%synergy
Shadowblood Ridge
12%inclusion692 decks5.89K decks
-4%synergy
Needleverge Pathway
11%inclusion651 decks5.89K decks
3%synergy
Scrubland
11%inclusion633 decks5.89K decks
-1%synergy
Plateau
11%inclusion629 decks5.89K decks
-1%synergy
Badlands
11%inclusion625 decks5.89K decks
-2%synergy
Blightstep Pathway
10%inclusion614 decks5.89K decks
3%synergy
Tainted Field
10%inclusion602 decks5.89K decks
-1%synergy
Malakir Rebirth
10%inclusion595 decks5.89K decks
5%synergy
Blazemire Verge
10%inclusion509 decks5.14K decks
-2%synergy