Kelsien, the Plague (Commander) - Midrange

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #428
21decks
As CommanderAs CardAverage DeckDecksView Precon
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Budget
Any$$$$
Ezra Sassaman
Nov 20, 2025
Ezra Sassaman
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.
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Basilisk Collar
81%inclusion17 decks21 decks
77%synergy
Otharri, Suns' Glory
76%inclusion16 decks21 decks
71%synergy
Sting, the Glinting Dagger
71%inclusion15 decks21 decks
70%synergy
Rune of Mortality
67%inclusion14 decks21 decks
65%synergy
Minthara, Merciless Soul
67%inclusion14 decks21 decks
65%synergy
Mari, the Killing Quill
62%inclusion13 decks21 decks
55%synergy
Arcane Lighthouse
52%inclusion11 decks21 decks
51%synergy
Drumbellower
52%inclusion11 decks21 decks
51%synergy
Magda, the Hoardmaster
52%inclusion11 decks21 decks
50%synergy
Gorgon's Head
48%inclusion10 decks21 decks
46%synergy
Top Cards
Morbid Opportunist
57%inclusion12 decks21 decks
39%synergy
Ruinous Ultimatum
52%inclusion11 decks21 decks
13%synergy
White Plume Adventurer
48%inclusion10 decks21 decks
46%synergy
Shadowspear
48%inclusion10 decks21 decks
43%synergy
General's Enforcer
48%inclusion10 decks21 decks
39%synergy
Thornbite Staff
48%inclusion10 decks21 decks
46%synergy
Dazzling Theater // Prop Room
47%inclusion8 decks17 decks
45%synergy
Boros Charm
43%inclusion9 decks21 decks
14%synergy
Vorpal Sword
43%inclusion9 decks21 decks
41%synergy
Falthis, Shadowcat Familiar
43%inclusion9 decks21 decks
42%synergy
Game Changers
Enlightened Tutor
33%inclusion7 decks21 decks
21%synergy
Teferi's Protection
24%inclusion5 decks21 decks
4%synergy
Jeska's Will
24%inclusion5 decks21 decks
14%synergy
Demonic Tutor
24%inclusion5 decks21 decks
5%synergy
Orcish Bowmasters
24%inclusion5 decks21 decks
18%synergy
Smothering Tithe
19%inclusion4 decks21 decks
-6%synergy
The One Ring
19%inclusion4 decks21 decks
11%synergy
Farewell
14%inclusion3 decks21 decks
4%synergy
Vampiric Tutor
14%inclusion3 decks21 decks
0%synergy
Ancient Tomb
10%inclusion2 decks21 decks
1%synergy
Creatures
Daxos the Returned
43%inclusion9 decks21 decks
42%synergy
Kalemne, Disciple of Iroas
43%inclusion9 decks21 decks
42%synergy
Shay Cormac
40%inclusion8 decks20 decks
37%synergy
Humble Defector
38%inclusion8 decks21 decks
36%synergy
Termination Facilitator
38%inclusion8 decks21 decks
36%synergy
Maha, Its Feathers Night
35%inclusion7 decks20 decks
34%synergy
Taii Wakeen, Perfect Shot
33%inclusion7 decks21 decks
33%synergy
Slaughter Specialist
33%inclusion7 decks21 decks
32%synergy
Ertha Jo, Frontier Mentor
29%inclusion6 decks21 decks
28%synergy
Stoneforge Mystic
29%inclusion6 decks21 decks
26%synergy
Esper Sentinel
29%inclusion6 decks21 decks
10%synergy
Void Beckoner
29%inclusion6 decks21 decks
28%synergy
Lae'zel, Vlaakith's Champion
29%inclusion6 decks21 decks
27%synergy
Mathas, Fiend Seeker
24%inclusion5 decks21 decks
22%synergy
Harvester of Souls
24%inclusion5 decks21 decks
21%synergy
Athreos, Shroud-Veiled
24%inclusion5 decks21 decks
22%synergy
Goblin Sharpshooter
24%inclusion5 decks21 decks
23%synergy
Patrolling Peacemaker
23%inclusion3 decks13 decks
23%synergy
Karlach, Fury of Avernus
19%inclusion4 decks21 decks
15%synergy
Lotho, Corrupt Shirriff
19%inclusion4 decks21 decks
5%synergy
Ragavan, Nimble Pilferer
19%inclusion4 decks21 decks
11%synergy
Massacre Girl, Known Killer
19%inclusion4 decks21 decks
17%synergy
Queen Marchesa
19%inclusion4 decks21 decks
13%synergy
Grateful Apparition
19%inclusion4 decks21 decks
19%synergy
Professional Face-Breaker
14%inclusion3 decks21 decks
-1%synergy
Weathered Wayfarer
14%inclusion3 decks21 decks
13%synergy
Ankle Shanker
14%inclusion3 decks21 decks
11%synergy
Varchild, Betrayer of Kjeldor
14%inclusion3 decks21 decks
14%synergy
Giver of Runes
14%inclusion3 decks21 decks
11%synergy
Mother of Runes
14%inclusion3 decks21 decks
7%synergy
Loran of the Third Path
14%inclusion3 decks21 decks
7%synergy
Qarsi Revenant
14%inclusion2 decks14 decks
11%synergy
Akiri, Fearless Voyager
14%inclusion3 decks21 decks
12%synergy
Hunted Bonebrute
14%inclusion3 decks21 decks
14%synergy
Guul Draz Assassin
14%inclusion3 decks21 decks
14%synergy
Gisa, Glorious Resurrector
14%inclusion3 decks21 decks
13%synergy
Dauthi Voidwalker
14%inclusion3 decks21 decks
11%synergy
Cloud, Midgar Mercenary
14%inclusion2 decks14 decks
13%synergy
Azula, Ruthless Firebender
11%inclusion1 decks9 decks
11%synergy
Jet, Freedom Fighter
11%inclusion1 decks9 decks
11%synergy
Metastatic Evangel
10%inclusion2 decks20 decks
10%synergy
Pinnacle Monk
10%inclusion2 decks20 decks
7%synergy
Kratos, Stoic Father
10%inclusion1 decks10 decks
10%synergy
Rinoa, Angel Wing
10%inclusion1 decks10 decks
9%synergy
Student of Warfare
10%inclusion2 decks21 decks
9%synergy
Aurelia, the Warleader
10%inclusion2 decks21 decks
-8%synergy
Kellan, the Fae-Blooded
10%inclusion2 decks21 decks
9%synergy
Transcendent Master
10%inclusion2 decks21 decks
10%synergy
Yes Man, Personal Securitron
10%inclusion2 decks21 decks
8%synergy
Shadowheart, Dark Justiciar
10%inclusion2 decks21 decks
9%synergy
Instants
Stroke of Midnight
43%inclusion9 decks21 decks
31%synergy
Anguished Unmaking
38%inclusion8 decks21 decks
4%synergy
Swords to Plowshares
38%inclusion8 decks21 decks
-24%synergy
Deflecting Swat
33%inclusion7 decks21 decks
18%synergy
Generous Gift
33%inclusion7 decks21 decks
15%synergy
Malakir Rebirth
29%inclusion6 decks21 decks
23%synergy
You Are Already Dead
29%inclusion6 decks21 decks
27%synergy
Chaos Warp
24%inclusion5 decks21 decks
8%synergy
Crackling Doom
24%inclusion5 decks21 decks
7%synergy
Inevitable Defeat
20%inclusion3 decks15 decks
14%synergy
Final Showdown
19%inclusion4 decks21 decks
17%synergy
Wear // Tear
19%inclusion4 decks21 decks
8%synergy
Mirrodin Avenged
19%inclusion4 decks21 decks
18%synergy
Fracture
19%inclusion4 decks21 decks
13%synergy
Untimely Malfunction
17%inclusion3 decks18 decks
12%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Deadly Rollick
14%inclusion3 decks21 decks
3%synergy
Everybody Lives!
14%inclusion3 decks21 decks
13%synergy
Offer Immortality
14%inclusion3 decks21 decks
13%synergy
Galadriel's Dismissal
14%inclusion3 decks21 decks
13%synergy
Whisper of the Dross
10%inclusion2 decks21 decks
9%synergy
Return the Favor
10%inclusion2 decks21 decks
8%synergy
Dark Ritual
10%inclusion2 decks21 decks
-7%synergy
Soul Shatter
10%inclusion2 decks21 decks
8%synergy
Tibalt's Trickery
10%inclusion2 decks21 decks
6%synergy
Big Score
10%inclusion2 decks21 decks
-1%synergy
Despark
10%inclusion2 decks21 decks
-4%synergy
Touch of Moonglove
10%inclusion2 decks21 decks
9%synergy
Sejiri Shelter
10%inclusion2 decks21 decks
7%synergy
Reprieve
10%inclusion2 decks21 decks
7%synergy
Valakut Awakening
10%inclusion2 decks21 decks
7%synergy
Protection Magic
7.1%inclusion1 decks14 decks
7%synergy
Flare of Fortitude
5.0%inclusion1 decks20 decks
2%synergy
Sorceries
Open the Armory
38%inclusion8 decks21 decks
34%synergy
Mythos of Snapdax
38%inclusion8 decks21 decks
33%synergy
Painful Truths
33%inclusion7 decks21 decks
25%synergy
Steelshaper's Gift
33%inclusion7 decks21 decks
30%synergy
Vandalblast
29%inclusion6 decks21 decks
18%synergy
Night's Whisper
29%inclusion6 decks21 decks
15%synergy
Call of the Death-Dweller
24%inclusion5 decks21 decks
23%synergy
Drown in Ichor
24%inclusion5 decks21 decks
23%synergy
Read the Bones
19%inclusion4 decks21 decks
10%synergy
Blasphemous Act
19%inclusion4 decks21 decks
-4%synergy
Damn
19%inclusion4 decks21 decks
1%synergy
Sevinne's Reclamation
14%inclusion3 decks21 decks
6%synergy
Faithless Looting
14%inclusion3 decks21 decks
-1%synergy
Single Combat
14%inclusion3 decks21 decks
13%synergy
Wheel of Fortune
14%inclusion3 decks21 decks
10%synergy
Toxic Deluge
14%inclusion3 decks21 decks
6%synergy
Sign in Blood
14%inclusion3 decks21 decks
6%synergy
Chandra's Ignition
14%inclusion3 decks21 decks
12%synergy
Bloodsoaked Insight
10%inclusion2 decks20 decks
8%synergy
Sundering Eruption
10%inclusion2 decks20 decks
7%synergy
Wheel of Misfortune
10%inclusion2 decks21 decks
8%synergy
Secret Rendezvous
10%inclusion2 decks21 decks
8%synergy
Damning Verdict
10%inclusion2 decks21 decks
9%synergy
Unearth
10%inclusion2 decks21 decks
7%synergy
Agadeem's Awakening
10%inclusion2 decks21 decks
7%synergy
Make an Example
10%inclusion2 decks21 decks
9%synergy
Gamble
10%inclusion2 decks21 decks
3%synergy
Wanderer's Strike
10%inclusion2 decks21 decks
9%synergy
Scout for Survivors
7.7%inclusion1 decks13 decks
8%synergy
Nibelheim Aflame
7.1%inclusion1 decks14 decks
7%synergy
Blasphemous Edict
5.9%inclusion1 decks17 decks
2%synergy
Tempt with Bunnies
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Gorgon Flail
38%inclusion8 decks21 decks
37%synergy
Illusionist's Bracers
33%inclusion7 decks21 decks
32%synergy
Magewright's Stone
33%inclusion7 decks21 decks
32%synergy
Swiftfoot Boots
33%inclusion7 decks21 decks
2%synergy
Quietus Spike
29%inclusion6 decks21 decks
27%synergy
Halo Fountain
19%inclusion4 decks21 decks
19%synergy
Hunter's Blowgun
19%inclusion4 decks21 decks
18%synergy
Genesis Chamber
14%inclusion3 decks21 decks
14%synergy
Mithril Coat
14%inclusion3 decks21 decks
9%synergy
Thousand-Year Elixir
14%inclusion3 decks21 decks
13%synergy
Lightning Greaves
14%inclusion3 decks21 decks
-20%synergy
Dowsing Dagger
14%inclusion3 decks21 decks
14%synergy
The Fire Nation Drill
11%inclusion1 decks9 decks
11%synergy
Peter Parker's Camera
10%inclusion1 decks10 decks
10%synergy
Glaring Spotlight
10%inclusion2 decks21 decks
9%synergy
Contagion Clasp
10%inclusion2 decks21 decks
9%synergy
Embercleave
10%inclusion2 decks21 decks
6%synergy
Whispersilk Cloak
10%inclusion2 decks21 decks
4%synergy
Battlemage's Bracers
10%inclusion2 decks21 decks
9%synergy
Tome of Legends
10%inclusion2 decks21 decks
9%synergy
Sunforger
10%inclusion2 decks21 decks
7%synergy
Hammer of Nazahn
10%inclusion2 decks21 decks
8%synergy
The Seriema
7.7%inclusion1 decks13 decks
7%synergy
Long-Range Sensor
7.7%inclusion1 decks13 decks
7%synergy
Dragonfire Blade
7.1%inclusion1 decks14 decks
6%synergy
The Fire Crystal
7.1%inclusion1 decks14 decks
4%synergy
Pumpkin Bombs
6.7%inclusion1 decks15 decks
7%synergy
Dissection Tools
5.9%inclusion1 decks17 decks
6%synergy
Chainsaw
5.0%inclusion1 decks20 decks
4%synergy
Brotherhood Regalia
5.0%inclusion1 decks20 decks
2%synergy
Enchantments
All-Out Assault
43%inclusion6 decks14 decks
31%synergy
Black Market Connections
33%inclusion7 decks21 decks
18%synergy
Gift of Doom
29%inclusion6 decks21 decks
28%synergy
Fighter Class
29%inclusion6 decks21 decks
26%synergy
Reconnaissance
24%inclusion5 decks21 decks
12%synergy
Agent of the Shadow Thieves
24%inclusion5 decks21 decks
23%synergy
At Knifepoint
24%inclusion5 decks21 decks
22%synergy
Revel in Riches
24%inclusion5 decks21 decks
17%synergy
Search for Dagger
20%inclusion2 decks10 decks
20%synergy
Kaya's Ghostform
19%inclusion4 decks21 decks
17%synergy
Trouble in Pairs
19%inclusion4 decks21 decks
14%synergy
Aspect of Gorgon
14%inclusion3 decks21 decks
14%synergy
Sigarda's Aid
14%inclusion3 decks21 decks
11%synergy
Phyrexian Arena
14%inclusion3 decks21 decks
-4%synergy
Eye of Nidhogg
14%inclusion2 decks14 decks
14%synergy
Smuggler's Share
10%inclusion2 decks21 decks
7%synergy
Grasp of Fate
10%inclusion2 decks21 decks
9%synergy
Black Market
10%inclusion2 decks21 decks
4%synergy
Forge Anew
10%inclusion2 decks21 decks
7%synergy
Rakdos Joins Up
10%inclusion2 decks21 decks
8%synergy
Feast of the Victorious Dead
10%inclusion2 decks21 decks
9%synergy
Death Pits of Rath
10%inclusion2 decks21 decks
9%synergy
Curse of Opulence
10%inclusion2 decks21 decks
4%synergy
Court of Ardenvale
10%inclusion2 decks21 decks
8%synergy
Land Tax
10%inclusion2 decks21 decks
3%synergy
Sticky Fingers
10%inclusion2 decks21 decks
8%synergy
Spiteful Banditry
10%inclusion2 decks21 decks
8%synergy
Derelict Attic // Widow's Walk
5.9%inclusion1 decks17 decks
6%synergy
Grievous Wound
5.6%inclusion1 decks18 decks
5%synergy
Glasswing Grace
5.0%inclusion1 decks20 decks
4%synergy
Bleeding Effect
5.0%inclusion1 decks20 decks
4%synergy
Nowhere to Run
5.0%inclusion1 decks20 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
10%inclusion2 decks21 decks
9%synergy
Utility Lands
Vault of the Archangel
33%inclusion7 decks21 decks
10%synergy
Bojuka Bog
29%inclusion6 decks21 decks
-2%synergy
Detection Tower
24%inclusion5 decks21 decks
23%synergy
Karn's Bastion
24%inclusion5 decks21 decks
23%synergy
Urborg, Tomb of Yawgmoth
24%inclusion5 decks21 decks
11%synergy
Urza's Saga
19%inclusion4 decks21 decks
15%synergy
Rogue's Passage
19%inclusion4 decks21 decks
-5%synergy
Buried Ruin
14%inclusion3 decks21 decks
11%synergy
Scavenger Grounds
14%inclusion3 decks21 decks
13%synergy
Eiganjo, Seat of the Empire
14%inclusion3 decks21 decks
8%synergy
Takenuma, Abandoned Mire
14%inclusion3 decks21 decks
7%synergy
Axgard Armory
14%inclusion3 decks21 decks
12%synergy
Shizo, Death's Storehouse
10%inclusion2 decks21 decks
3%synergy
Maze of Ith
10%inclusion2 decks21 decks
6%synergy
Minas Tirith
10%inclusion2 decks21 decks
1%synergy
Command Beacon
10%inclusion2 decks21 decks
4%synergy
Field of the Dead
10%inclusion2 decks21 decks
8%synergy
Susur Secundi, Void Altar
7.7%inclusion1 decks13 decks
6%synergy
Spymaster's Vault
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Arcane Signet
86%inclusion18 decks21 decks
0%synergy
Sol Ring
86%inclusion18 decks21 decks
-3%synergy
Patriar's Seal
52%inclusion11 decks21 decks
50%synergy
Talisman of Conviction
43%inclusion9 decks21 decks
1%synergy
Talisman of Hierarchy
43%inclusion9 decks21 decks
2%synergy
Talisman of Indulgence
29%inclusion6 decks21 decks
-8%synergy
Fellwar Stone
29%inclusion6 decks21 decks
1%synergy
Commander's Sphere
19%inclusion4 decks21 decks
5%synergy
Boros Signet
19%inclusion4 decks21 decks
-9%synergy
Rakdos Signet
14%inclusion3 decks21 decks
-15%synergy
Chromatic Lantern
14%inclusion3 decks21 decks
3%synergy
Orzhov Signet
14%inclusion3 decks21 decks
-17%synergy
Aetheric Amplifier
13%inclusion2 decks15 decks
13%synergy
Hourglass of the Lost
10%inclusion2 decks20 decks
10%synergy
Cursed Mirror
10%inclusion2 decks21 decks
7%synergy
Bandit's Haul
10%inclusion2 decks21 decks
8%synergy
Mind Stone
10%inclusion2 decks21 decks
1%synergy
Bounty Board
10%inclusion2 decks21 decks
7%synergy
Chrome Mox
10%inclusion2 decks21 decks
5%synergy
The Soul Stone
8.3%inclusion1 decks12 decks
6%synergy
Lands
Plains
100%inclusion21 decks21 decks
5%synergy
Swamp
95%inclusion20 decks21 decks
0%synergy
Mountain
95%inclusion20 decks21 decks
1%synergy
Command Tower
90%inclusion19 decks21 decks
-2%synergy
Forbidden Orchard
71%inclusion15 decks21 decks
69%synergy
Exotic Orchard
62%inclusion13 decks21 decks
10%synergy
Sacred Foundry
57%inclusion12 decks21 decks
12%synergy
Godless Shrine
57%inclusion12 decks21 decks
10%synergy
Savai Triome
52%inclusion11 decks21 decks
15%synergy
Blood Crypt
52%inclusion11 decks21 decks
8%synergy
Arid Mesa
52%inclusion11 decks21 decks
21%synergy
Marsh Flats
52%inclusion11 decks21 decks
21%synergy
Nomad Outpost
48%inclusion10 decks21 decks
-11%synergy
Dragonskull Summit
48%inclusion10 decks21 decks
-5%synergy
Bloodstained Mire
48%inclusion10 decks21 decks
15%synergy
Caves of Koilos
43%inclusion9 decks21 decks
4%synergy
Spectator Seating
43%inclusion9 decks21 decks
12%synergy
Vault of Champions
43%inclusion9 decks21 decks
10%synergy
Shattered Landscape
40%inclusion8 decks20 decks
21%synergy
Isolated Chapel
38%inclusion8 decks21 decks
-15%synergy
Clifftop Retreat
38%inclusion8 decks21 decks
-13%synergy
Smoldering Marsh
33%inclusion7 decks21 decks
-3%synergy
Fetid Heath
33%inclusion7 decks21 decks
12%synergy
Sundown Pass
33%inclusion7 decks21 decks
13%synergy
Battlefield Forge
33%inclusion7 decks21 decks
-7%synergy
Luxury Suite
33%inclusion7 decks21 decks
2%synergy
Sulfurous Springs
33%inclusion7 decks21 decks
6%synergy
Malakir Rebirth
29%inclusion6 decks21 decks
23%synergy
Orzhov Basilica
29%inclusion6 decks21 decks
15%synergy
Shattered Sanctum
29%inclusion6 decks21 decks
5%synergy
Haunted Ridge
29%inclusion6 decks21 decks
9%synergy
Rugged Prairie
24%inclusion5 decks21 decks
7%synergy
Rakdos Carnarium
19%inclusion4 decks21 decks
7%synergy
Fabled Passage
19%inclusion4 decks21 decks
11%synergy
Badlands
19%inclusion4 decks21 decks
7%synergy
Boros Garrison
19%inclusion4 decks21 decks
7%synergy
Needleverge Pathway
19%inclusion4 decks21 decks
11%synergy
Path of Ancestry
19%inclusion4 decks21 decks
-19%synergy
Plateau
19%inclusion4 decks21 decks
7%synergy
Scrubland
19%inclusion4 decks21 decks
7%synergy
Mana Confluence
19%inclusion4 decks21 decks
10%synergy
Silent Clearing
19%inclusion4 decks21 decks
15%synergy
Glittering Massif
15%inclusion2 decks13 decks
14%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Shadowblood Ridge
14%inclusion3 decks21 decks
-1%synergy
Terramorphic Expanse
14%inclusion3 decks21 decks
-5%synergy
Brightclimb Pathway
14%inclusion3 decks21 decks
6%synergy
Shadowy Backstreet
14%inclusion3 decks21 decks
4%synergy
Graven Cairns
14%inclusion3 decks21 decks
3%synergy
Mount Doom
14%inclusion3 decks21 decks
11%synergy
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