Kelsien, the Plague (Commander) - Expensive

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
Black Widow, Agile Avenger
4.2%inclusion1 decks24 decks
3%synergy
S.H.I.E.L.D. Spy Kit
4.2%inclusion1 decks24 decks
4%synergy
High Synergy Cards
Basilisk Collar
94%inclusion566 decks604 decks
89%synergy
Thornbite Staff
77%inclusion468 decks604 decks
76%synergy
Rune of Mortality
74%inclusion445 decks604 decks
72%synergy
Drumbellower
74%inclusion447 decks604 decks
72%synergy
Gorgon's Head
69%inclusion415 decks604 decks
68%synergy
Vorpal Sword
68%inclusion413 decks604 decks
66%synergy
Otharri, Suns' Glory
71%inclusion426 decks604 decks
65%synergy
Shadowspear
69%inclusion417 decks604 decks
65%synergy
Mari, the Killing Quill
70%inclusion422 decks604 decks
64%synergy
Sting, the Glinting Dagger
65%inclusion393 decks604 decks
63%synergy
Top Cards
Morbid Opportunist
66%inclusion401 decks604 decks
48%synergy
Minthara, Merciless Soul
61%inclusion369 decks604 decks
60%synergy
Swiftfoot Boots
58%inclusion350 decks604 decks
26%synergy
Shay Cormac
57%inclusion344 decks604 decks
54%synergy
Falthis, Shadowcat Familiar
56%inclusion340 decks604 decks
55%synergy
Esper Sentinel
56%inclusion336 decks604 decks
37%synergy
Deflecting Swat
55%inclusion332 decks604 decks
39%synergy
Open the Armory
54%inclusion326 decks604 decks
50%synergy
Maha, Its Feathers Night
54%inclusion321 decks598 decks
52%synergy
Swords to Plowshares
51%inclusion309 decks604 decks
-11%synergy
Game Changers
Demonic Tutor
53%inclusion319 decks604 decks
34%synergy
Smothering Tithe
43%inclusion260 decks604 decks
19%synergy
Enlightened Tutor
43%inclusion259 decks604 decks
31%synergy
Teferi's Protection
42%inclusion256 decks604 decks
23%synergy
Vampiric Tutor
36%inclusion215 decks604 decks
21%synergy
Orcish Bowmasters
26%inclusion157 decks604 decks
21%synergy
Jeska's Will
18%inclusion108 decks604 decks
8%synergy
Ancient Tomb
17%inclusion105 decks604 decks
9%synergy
The One Ring
16%inclusion97 decks604 decks
9%synergy
Farewell
13%inclusion81 decks604 decks
3%synergy
Creatures
Goblin Sharpshooter
51%inclusion307 decks604 decks
50%synergy
Stoneforge Mystic
48%inclusion287 decks604 decks
45%synergy
Mother of Runes
45%inclusion274 decks604 decks
38%synergy
General's Enforcer
44%inclusion267 decks604 decks
36%synergy
Termination Facilitator
42%inclusion251 decks604 decks
40%synergy
Magda, the Hoardmaster
39%inclusion233 decks604 decks
37%synergy
Daxos the Returned
37%inclusion225 decks604 decks
36%synergy
Lae'zel, Vlaakith's Champion
37%inclusion222 decks604 decks
35%synergy
White Plume Adventurer
36%inclusion218 decks604 decks
35%synergy
Kalemne, Disciple of Iroas
34%inclusion204 decks604 decks
33%synergy
Humble Defector
32%inclusion195 decks604 decks
30%synergy
Puresteel Paladin
31%inclusion187 decks604 decks
27%synergy
Taii Wakeen, Perfect Shot
30%inclusion179 decks604 decks
29%synergy
Mathas, Fiend Seeker
29%inclusion177 decks604 decks
27%synergy
Void Beckoner
26%inclusion160 decks604 decks
26%synergy
Harvester of Souls
26%inclusion155 decks604 decks
23%synergy
Slaughter Specialist
24%inclusion147 decks604 decks
23%synergy
Ertha Jo, Frontier Mentor
22%inclusion131 decks604 decks
21%synergy
Athreos, Shroud-Veiled
21%inclusion124 decks604 decks
19%synergy
Archetype of Finality
20%inclusion122 decks604 decks
19%synergy
Marvin, Murderous Mimic
19%inclusion108 decks561 decks
18%synergy
Kratos, Stoic Father
18%inclusion55 decks301 decks
18%synergy
Blood Cultist
17%inclusion104 decks604 decks
17%synergy
Assault Intercessor
15%inclusion89 decks604 decks
14%synergy
Sun Titan
15%inclusion88 decks604 decks
4%synergy
Massacre Girl, Known Killer
14%inclusion86 decks604 decks
12%synergy
Zagras, Thief of Heartbeats
13%inclusion80 decks604 decks
12%synergy
Blood Artist
13%inclusion77 decks604 decks
-5%synergy
Queen Marchesa
13%inclusion77 decks604 decks
7%synergy
Sram, Senior Edificer
12%inclusion75 decks604 decks
10%synergy
Giver of Runes
12%inclusion72 decks604 decks
9%synergy
Gisa, Glorious Resurrector
12%inclusion70 decks604 decks
11%synergy
Zuko, Firebending Master
11%inclusion31 decks274 decks
10%synergy
Grand Abolisher
10%inclusion63 decks604 decks
1%synergy
Aang, Airbending Master
10%inclusion35 decks338 decks
9%synergy
Akiri, Fearless Voyager
10%inclusion61 decks604 decks
8%synergy
Hexing Squelcher
10%inclusion21 decks208 decks
5%synergy
Deathbringer Thoctar
10%inclusion60 decks604 decks
10%synergy
Cunning Sparkmage
9.4%inclusion57 decks604 decks
9%synergy
Stonehewer Giant
9.1%inclusion55 decks604 decks
8%synergy
Bureau Headmaster
9.1%inclusion55 decks604 decks
9%synergy
Azula, Ruthless Firebender
9.1%inclusion25 decks276 decks
9%synergy
Ankle Shanker
8.9%inclusion54 decks604 decks
6%synergy
Emeritus of Woe
8.7%inclusion9 decks103 decks
3%synergy
Solemn Simulacrum
8.6%inclusion52 decks604 decks
-4%synergy
Cloud, Midgar Mercenary
8.3%inclusion33 decks398 decks
7%synergy
Vulshok Sorcerer
8.3%inclusion50 decks604 decks
8%synergy
Witch Enchanter
8.1%inclusion49 decks604 decks
1%synergy
Opposition Agent
8.1%inclusion49 decks604 decks
5%synergy
Ragavan, Nimble Pilferer
8.1%inclusion49 decks604 decks
0%synergy
Instants
Boros Charm
43%inclusion259 decks604 decks
14%synergy
You Are Already Dead
41%inclusion246 decks604 decks
39%synergy
Anguished Unmaking
38%inclusion231 decks604 decks
5%synergy
Flawless Maneuver
34%inclusion206 decks604 decks
20%synergy
Stroke of Midnight
30%inclusion184 decks604 decks
19%synergy
Path to Exile
30%inclusion184 decks604 decks
-16%synergy
Mirrodin Avenged
30%inclusion183 decks604 decks
30%synergy
Generous Gift
26%inclusion160 decks604 decks
9%synergy
Deadly Rollick
26%inclusion159 decks604 decks
15%synergy
Crackling Doom
24%inclusion146 decks604 decks
7%synergy
Fracture
23%inclusion138 decks604 decks
17%synergy
Dawn's Truce
21%inclusion125 decks596 decks
14%synergy
Chaos Warp
19%inclusion114 decks604 decks
3%synergy
Despark
18%inclusion107 decks604 decks
4%synergy
Malakir Rebirth
16%inclusion99 decks604 decks
11%synergy
Wear // Tear
14%inclusion86 decks604 decks
3%synergy
Dark Ritual
12%inclusion72 decks604 decks
-5%synergy
Offer Immortality
11%inclusion68 decks604 decks
10%synergy
Rakdos Charm
11%inclusion67 decks604 decks
2%synergy
Bladebrand
11%inclusion64 decks604 decks
10%synergy
Sejiri Shelter
11%inclusion64 decks604 decks
8%synergy
Untimely Malfunction
10%inclusion56 decks562 decks
5%synergy
Fell the Profane
8.1%inclusion49 decks604 decks
2%synergy
Deflecting Palm
8.1%inclusion49 decks604 decks
1%synergy
Red Elemental Blast
7.0%inclusion42 decks604 decks
3%synergy
Redirect Lightning
6.8%inclusion23 decks338 decks
1%synergy
Dire Tactics
6.6%inclusion40 decks604 decks
4%synergy
Silence
6.6%inclusion40 decks604 decks
1%synergy
Terminate
6.6%inclusion40 decks604 decks
-6%synergy
Tibalt's Trickery
6.5%inclusion39 decks604 decks
3%synergy
Mortify
6.3%inclusion38 decks604 decks
-9%synergy
Pyroblast
6.1%inclusion37 decks604 decks
2%synergy
Tainted Strike
6.0%inclusion36 decks604 decks
5%synergy
Galadriel's Dismissal
5.5%inclusion33 decks604 decks
4%synergy
Loran's Escape
5.3%inclusion32 decks604 decks
4%synergy
Legion Leadership
5.1%inclusion31 decks604 decks
1%synergy
Valakut Awakening
5.1%inclusion31 decks604 decks
2%synergy
Sorceries
Steelshaper's Gift
51%inclusion306 decks604 decks
48%synergy
Ruinous Ultimatum
47%inclusion283 decks604 decks
8%synergy
Vandalblast
33%inclusion197 decks604 decks
22%synergy
Night's Whisper
25%inclusion151 decks604 decks
12%synergy
Mythos of Snapdax
22%inclusion131 decks604 decks
16%synergy
Blasphemous Act
20%inclusion121 decks604 decks
-3%synergy
Painful Truths
18%inclusion109 decks604 decks
10%synergy
Toxic Deluge
17%inclusion105 decks604 decks
9%synergy
Sevinne's Reclamation
17%inclusion103 decks604 decks
9%synergy
Read the Bones
16%inclusion96 decks604 decks
7%synergy
Chandra's Ignition
15%inclusion91 decks604 decks
13%synergy
Sign in Blood
13%inclusion78 decks604 decks
5%synergy
Damn
12%inclusion75 decks604 decks
-5%synergy
Call of the Death-Dweller
12%inclusion73 decks604 decks
12%synergy
Reanimate
12%inclusion72 decks604 decks
-6%synergy
Wheel of Fortune
11%inclusion67 decks604 decks
7%synergy
Imperial Seal
10%inclusion59 decks604 decks
6%synergy
Vindicate
9.4%inclusion57 decks604 decks
4%synergy
Drown in Ichor
7.8%inclusion47 decks604 decks
7%synergy
Decorum Dissertation
7.3%inclusion8 decks109 decks
5%synergy
Unearth
7.0%inclusion42 decks604 decks
5%synergy
Unfinished Business
6.5%inclusion39 decks604 decks
6%synergy
Single Combat
6.3%inclusion38 decks604 decks
5%synergy
Faithless Looting
6.1%inclusion37 decks604 decks
-9%synergy
Gamble
6.0%inclusion36 decks604 decks
-0%synergy
Grim Tutor
6.0%inclusion36 decks604 decks
2%synergy
Utility Artifacts
Magewright's Stone
48%inclusion289 decks604 decks
47%synergy
Gorgon Flail
48%inclusion287 decks604 decks
47%synergy
Illusionist's Bracers
40%inclusion242 decks604 decks
39%synergy
Quietus Spike
39%inclusion235 decks604 decks
38%synergy
Thousand-Year Elixir
38%inclusion229 decks604 decks
37%synergy
Mithril Coat
37%inclusion222 decks604 decks
31%synergy
Lightning Greaves
31%inclusion186 decks604 decks
-4%synergy
Hunter's Blowgun
23%inclusion136 decks604 decks
22%synergy
Glaring Spotlight
16%inclusion97 decks604 decks
16%synergy
Hammer of Nazahn
16%inclusion94 decks604 decks
14%synergy
Brotherhood Regalia
15%inclusion88 decks604 decks
11%synergy
Sword of Truth and Justice
13%inclusion78 decks604 decks
12%synergy
Robe of Stars
12%inclusion74 decks604 decks
11%synergy
Battlemage's Bracers
11%inclusion68 decks604 decks
11%synergy
Sword of the Animist
11%inclusion64 decks604 decks
2%synergy
The Reaver Cleaver
8.8%inclusion53 decks604 decks
3%synergy
Sword of Feast and Famine
8.8%inclusion53 decks604 decks
5%synergy
The Masamune
8.1%inclusion31 decks383 decks
8%synergy
Scythe of the Wretched
7.8%inclusion47 decks604 decks
8%synergy
Darksteel Plate
7.3%inclusion44 decks604 decks
5%synergy
Puppet Strings
7.0%inclusion42 decks604 decks
7%synergy
Whispersilk Cloak
6.6%inclusion40 decks604 decks
1%synergy
Helm of the Host
6.5%inclusion39 decks604 decks
1%synergy
Sunforger
6.3%inclusion38 decks604 decks
3%synergy
Buster Sword
5.9%inclusion23 decks393 decks
4%synergy
Embercleave
5.8%inclusion35 decks604 decks
3%synergy
Halo Fountain
5.6%inclusion34 decks604 decks
5%synergy
Dragonfire Blade
5.5%inclusion24 decks439 decks
4%synergy
Haystack
5.5%inclusion33 decks604 decks
4%synergy
Sword of Fire and Ice
5.3%inclusion32 decks604 decks
4%synergy
Enchantments
Gift of Doom
46%inclusion277 decks604 decks
45%synergy
Fighter Class
43%inclusion257 decks604 decks
40%synergy
Black Market Connections
33%inclusion202 decks604 decks
18%synergy
Phyrexian Arena
33%inclusion201 decks604 decks
15%synergy
Sigarda's Aid
32%inclusion191 decks604 decks
29%synergy
Revel in Riches
30%inclusion182 decks604 decks
24%synergy
All-Out Assault
29%inclusion130 decks442 decks
18%synergy
Dazzling Theater // Prop Room
26%inclusion148 decks559 decks
25%synergy
Reconnaissance
20%inclusion120 decks604 decks
8%synergy
Black Market
17%inclusion103 decks604 decks
12%synergy
Aspect of Gorgon
16%inclusion98 decks604 decks
16%synergy
Forge Anew
15%inclusion91 decks604 decks
13%synergy
Land Tax
14%inclusion82 decks604 decks
7%synergy
Trouble in Pairs
13%inclusion81 decks604 decks
8%synergy
Ghostly Prison
11%inclusion64 decks604 decks
3%synergy
Gift of Immortality
9.4%inclusion57 decks604 decks
8%synergy
Agent of the Shadow Thieves
8.6%inclusion52 decks604 decks
8%synergy
Death Pits of Rath
8.3%inclusion50 decks604 decks
8%synergy
At Knifepoint
7.5%inclusion45 decks604 decks
6%synergy
Kaya's Ghostform
7.3%inclusion44 decks604 decks
5%synergy
Necropotence
7.1%inclusion43 decks604 decks
2%synergy
Spiteful Banditry
7.1%inclusion43 decks604 decks
5%synergy
Grave Betrayal
7.0%inclusion42 decks604 decks
6%synergy
Retreat to Hagra
6.8%inclusion41 decks604 decks
7%synergy
Nowhere to Run
6.8%inclusion41 decks604 decks
6%synergy
Eternal Thirst
5.6%inclusion34 decks604 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
10%inclusion61 decks604 decks
10%synergy
Kaya, Geist Hunter
5.8%inclusion35 decks604 decks
1%synergy
Utility Lands
Vault of the Archangel
47%inclusion284 decks604 decks
24%synergy
Urborg, Tomb of Yawgmoth
44%inclusion264 decks604 decks
31%synergy
Arcane Lighthouse
43%inclusion260 decks604 decks
42%synergy
Rogue's Passage
37%inclusion226 decks604 decks
14%synergy
Bojuka Bog
34%inclusion205 decks604 decks
3%synergy
Urza's Saga
32%inclusion191 decks604 decks
27%synergy
Shizo, Death's Storehouse
24%inclusion142 decks604 decks
17%synergy
Detection Tower
23%inclusion136 decks604 decks
22%synergy
Karn's Bastion
20%inclusion118 decks604 decks
19%synergy
Reliquary Tower
17%inclusion102 decks604 decks
2%synergy
Axgard Armory
13%inclusion77 decks604 decks
11%synergy
Buried Ruin
11%inclusion68 decks604 decks
8%synergy
Eiganjo, Seat of the Empire
10%inclusion63 decks604 decks
4%synergy
Sunhome, Fortress of the Legion
6.8%inclusion41 decks604 decks
3%synergy
Takenuma, Abandoned Mire
6.1%inclusion37 decks604 decks
-1%synergy
Maze of Ith
5.8%inclusion35 decks604 decks
2%synergy
Cabal Coffers
5.6%inclusion34 decks604 decks
3%synergy
Command Beacon
5.3%inclusion32 decks604 decks
-0%synergy
Mana Artifacts
Sol Ring
89%inclusion538 decks604 decks
1%synergy
Arcane Signet
86%inclusion518 decks604 decks
-0%synergy
Patriar's Seal
53%inclusion319 decks604 decks
51%synergy
Talisman of Hierarchy
42%inclusion251 decks604 decks
1%synergy
Talisman of Conviction
37%inclusion226 decks604 decks
-5%synergy
Talisman of Indulgence
36%inclusion215 decks604 decks
-1%synergy
Orzhov Signet
32%inclusion193 decks604 decks
1%synergy
Rakdos Signet
26%inclusion159 decks604 decks
-2%synergy
Boros Signet
25%inclusion150 decks604 decks
-2%synergy
Fellwar Stone
24%inclusion143 decks604 decks
-4%synergy
Bounty Board
15%inclusion90 decks604 decks
13%synergy
Mox Opal
13%inclusion78 decks604 decks
9%synergy
Chromatic Lantern
12%inclusion74 decks604 decks
2%synergy
Aetheric Amplifier
12%inclusion59 decks483 decks
12%synergy
Chrome Mox
11%inclusion66 decks604 decks
6%synergy
Mox Diamond
10%inclusion62 decks604 decks
7%synergy
Mox Amber
10%inclusion60 decks604 decks
6%synergy
Commander's Sphere
8.1%inclusion49 decks604 decks
-6%synergy
Bandit's Haul
7.8%inclusion47 decks604 decks
7%synergy
Lotus Petal
7.6%inclusion46 decks604 decks
2%synergy
Mana Vault
6.8%inclusion41 decks604 decks
3%synergy
The Soul Stone
6.7%inclusion23 decks342 decks
4%synergy
Lands
Command Tower
97%inclusion583 decks604 decks
4%synergy
Scrubland
95%inclusion574 decks604 decks
83%synergy
Badlands
94%inclusion570 decks604 decks
82%synergy
Plateau
94%inclusion570 decks604 decks
82%synergy
Godless Shrine
90%inclusion545 decks604 decks
42%synergy
Sacred Foundry
89%inclusion540 decks604 decks
44%synergy
Plains
89%inclusion540 decks604 decks
-6%synergy
Swamp
89%inclusion539 decks604 decks
-6%synergy
Blood Crypt
89%inclusion535 decks604 decks
44%synergy
Mountain
84%inclusion509 decks604 decks
-10%synergy
Marsh Flats
80%inclusion485 decks604 decks
49%synergy
Arid Mesa
80%inclusion483 decks604 decks
49%synergy
Bloodstained Mire
80%inclusion481 decks604 decks
47%synergy
Savai Triome
77%inclusion466 decks604 decks
40%synergy
Vault of Champions
71%inclusion426 decks604 decks
38%synergy
Spectator Seating
69%inclusion415 decks604 decks
38%synergy
Luxury Suite
67%inclusion406 decks604 decks
36%synergy
Forbidden Orchard
46%inclusion276 decks604 decks
43%synergy
Exotic Orchard
43%inclusion257 decks604 decks
-10%synergy
Isolated Chapel
42%inclusion251 decks604 decks
-12%synergy
Clifftop Retreat
39%inclusion238 decks604 decks
-12%synergy
Dragonskull Summit
39%inclusion237 decks604 decks
-13%synergy
Nomad Outpost
38%inclusion232 decks604 decks
-20%synergy
Shattered Sanctum
31%inclusion190 decks604 decks
6%synergy
Sundown Pass
31%inclusion187 decks604 decks
10%synergy
Caves of Koilos
29%inclusion178 decks604 decks
-10%synergy
Haunted Ridge
27%inclusion161 decks604 decks
7%synergy
Battlefield Forge
25%inclusion152 decks604 decks
-16%synergy
Sulfurous Springs
21%inclusion125 decks604 decks
-8%synergy
Mana Confluence
20%inclusion118 decks604 decks
10%synergy
Brightclimb Pathway
19%inclusion115 decks604 decks
11%synergy
Needleverge Pathway
18%inclusion109 decks604 decks
10%synergy
Polluted Delta
18%inclusion108 decks604 decks
11%synergy
Windswept Heath
17%inclusion103 decks604 decks
11%synergy
Blightstep Pathway
17%inclusion103 decks604 decks
9%synergy
City of Brass
17%inclusion102 decks604 decks
7%synergy
Verdant Catacombs
17%inclusion100 decks604 decks
10%synergy
Flooded Strand
17%inclusion100 decks604 decks
10%synergy
Malakir Rebirth
16%inclusion99 decks604 decks
11%synergy
Bleachbone Verge
16%inclusion77 decks484 decks
6%synergy
Shadowy Backstreet
16%inclusion96 decks604 decks
5%synergy
Blazemire Verge
16%inclusion89 decks564 decks
4%synergy
Wooded Foothills
16%inclusion94 decks604 decks
9%synergy
Scalding Tarn
15%inclusion91 decks604 decks
9%synergy
Raucous Theater
14%inclusion85 decks604 decks
4%synergy
Elegant Parlor
14%inclusion85 decks604 decks
4%synergy
Sunbillow Verge
14%inclusion67 decks484 decks
5%synergy
Fetid Heath
14%inclusion83 decks604 decks
-8%synergy
Prismatic Vista
13%inclusion78 decks604 decks
9%synergy
Path of Ancestry
12%inclusion72 decks604 decks
-26%synergy