Kelsien, the Plague (Commander) - Core Legends

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #460
4decks
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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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Otharri, Suns' Glory
100%inclusion4 decks4 decks
95%synergy
Game Changers
Farewell
25%inclusion1 decks4 decks
15%synergy
Creatures
Jet, Freedom Fighter
100%inclusion1 decks1 decks
100%synergy
Daxos the Returned
75%inclusion3 decks4 decks
74%synergy
Lae'zel, Vlaakith's Champion
75%inclusion3 decks4 decks
73%synergy
Kalemne, Disciple of Iroas
75%inclusion3 decks4 decks
74%synergy
Minthara, Merciless Soul
75%inclusion3 decks4 decks
74%synergy
Shanid, Sleepers' Scourge
50%inclusion2 decks4 decks
47%synergy
Slaughter Specialist
50%inclusion2 decks4 decks
49%synergy
Arvad the Cursed
50%inclusion2 decks4 decks
48%synergy
Grateful Apparition
50%inclusion2 decks4 decks
50%synergy
Syr Vondam, the Lucent
50%inclusion1 decks2 decks
49%synergy
Marshal of the Lost
33%inclusion1 decks3 decks
31%synergy
Solemn Simulacrum
25%inclusion1 decks4 decks
12%synergy
Witch Enchanter
25%inclusion1 decks4 decks
18%synergy
Karlach, Fury of Avernus
25%inclusion1 decks4 decks
21%synergy
Drakuseth, Maw of Flames
25%inclusion1 decks4 decks
21%synergy
Onakke Oathkeeper
25%inclusion1 decks4 decks
25%synergy
Metastatic Evangel
25%inclusion1 decks4 decks
25%synergy
Ertha Jo, Frontier Mentor
25%inclusion1 decks4 decks
24%synergy
Servant of the Stinger
25%inclusion1 decks4 decks
25%synergy
Stormfist Crusader
25%inclusion1 decks4 decks
24%synergy
Ingot Chewer
25%inclusion1 decks4 decks
25%synergy
Lotho, Corrupt Shirriff
25%inclusion1 decks4 decks
11%synergy
Syr Konrad, the Grim
25%inclusion1 decks4 decks
22%synergy
Humble Defector
25%inclusion1 decks4 decks
23%synergy
Taii Wakeen, Perfect Shot
25%inclusion1 decks4 decks
24%synergy
Alesha, Who Laughs at Fate
25%inclusion1 decks4 decks
13%synergy
Shadowheart, Dark Justiciar
25%inclusion1 decks4 decks
25%synergy
Robaran Mercenaries
25%inclusion1 decks4 decks
25%synergy
Deathbringer Thoctar
25%inclusion1 decks4 decks
25%synergy
Reveille Squad
25%inclusion1 decks4 decks
25%synergy
Varchild, Betrayer of Kjeldor
25%inclusion1 decks4 decks
25%synergy
Aya of Alexandria
25%inclusion1 decks4 decks
23%synergy
Crystal Barricade
25%inclusion1 decks4 decks
25%synergy
Proud Pack-Rhino
25%inclusion1 decks4 decks
25%synergy
Djeru and Hazoret
25%inclusion1 decks4 decks
23%synergy
Tomik, Wielder of Law
25%inclusion1 decks4 decks
24%synergy
Morbid Opportunist
25%inclusion1 decks4 decks
6%synergy
Reidane, God of the Worthy
25%inclusion1 decks4 decks
25%synergy
Frontline Medic
25%inclusion1 decks4 decks
24%synergy
Worthy Knight
25%inclusion1 decks4 decks
25%synergy
Scholar of New Horizons
25%inclusion1 decks4 decks
25%synergy
Zealot il-Vec
25%inclusion1 decks4 decks
25%synergy
Malik, Grim Manipulator
25%inclusion1 decks4 decks
24%synergy
Surtr, Fiery Jötun
25%inclusion1 decks4 decks
25%synergy
Danitha, Benalia's Hope
25%inclusion1 decks4 decks
24%synergy
Mastermind Plum
25%inclusion1 decks4 decks
24%synergy
Kalain, Reclusive Painter
25%inclusion1 decks4 decks
24%synergy
Thalia's Lancers
25%inclusion1 decks4 decks
25%synergy
Djeru, With Eyes Open
25%inclusion1 decks4 decks
25%synergy
Syr Alin, the Lion's Claw
25%inclusion1 decks4 decks
25%synergy
Instants
Despark
50%inclusion2 decks4 decks
37%synergy
Protection Magic
50%inclusion1 decks2 decks
50%synergy
Maximum Overdrive
33%inclusion1 decks3 decks
33%synergy
Fell the Profane
25%inclusion1 decks4 decks
18%synergy
Eerie Interlude
25%inclusion1 decks4 decks
23%synergy
Soul Sear
25%inclusion1 decks4 decks
25%synergy
Ignite the Beacon
25%inclusion1 decks4 decks
25%synergy
Boros Charm
25%inclusion1 decks4 decks
-4%synergy
Semester's End
25%inclusion1 decks4 decks
24%synergy
Clever Concealment
25%inclusion1 decks4 decks
21%synergy
Adamant Will
25%inclusion1 decks4 decks
25%synergy
Razorgrass Ambush
25%inclusion1 decks4 decks
24%synergy
Rakdos Charm
25%inclusion1 decks4 decks
16%synergy
To Arms!
25%inclusion1 decks4 decks
25%synergy
Wear // Tear
25%inclusion1 decks4 decks
14%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
19%synergy
You Are Already Dead
25%inclusion1 decks4 decks
23%synergy
Lethal Scheme
25%inclusion1 decks4 decks
22%synergy
Volt Charge
25%inclusion1 decks4 decks
25%synergy
Cosmic Intervention
25%inclusion1 decks4 decks
24%synergy
Touch of Moonglove
25%inclusion1 decks4 decks
25%synergy
Mirrodin Avenged
25%inclusion1 decks4 decks
24%synergy
Crackling Doom
25%inclusion1 decks4 decks
8%synergy
Fracture
25%inclusion1 decks4 decks
19%synergy
Sorceries
Primevals' Glorious Rebirth
50%inclusion2 decks4 decks
47%synergy
Drown in Ichor
50%inclusion2 decks4 decks
50%synergy
Vat Emergence
25%inclusion1 decks4 decks
25%synergy
Spread the Sickness
25%inclusion1 decks4 decks
25%synergy
Finale of Glory
25%inclusion1 decks4 decks
24%synergy
Blasphemous Edict
25%inclusion1 decks4 decks
21%synergy
Blasphemous Act
25%inclusion1 decks4 decks
2%synergy
Increasing Devotion
25%inclusion1 decks4 decks
23%synergy
Urza's Ruinous Blast
25%inclusion1 decks4 decks
22%synergy
Reconstruct History
25%inclusion1 decks4 decks
24%synergy
Ruinous Ultimatum
25%inclusion1 decks4 decks
-14%synergy
Sundering Eruption
25%inclusion1 decks4 decks
22%synergy
Deafening Clarion
25%inclusion1 decks4 decks
25%synergy
Silverflame Ritual
25%inclusion1 decks4 decks
25%synergy
Grave Upheaval
25%inclusion1 decks4 decks
25%synergy
Utility Artifacts
Mirror of Galadriel
50%inclusion2 decks4 decks
50%synergy
The Seriema
50%inclusion1 decks2 decks
49%synergy
Gorgon's Head
25%inclusion1 decks4 decks
24%synergy
Glaring Spotlight
25%inclusion1 decks4 decks
25%synergy
Luxior, Giada's Gift
25%inclusion1 decks4 decks
24%synergy
Wayfarer's Bauble
25%inclusion1 decks4 decks
17%synergy
The Reaver Cleaver
25%inclusion1 decks4 decks
19%synergy
Celestial Armor
25%inclusion1 decks4 decks
24%synergy
Leyline Axe
25%inclusion1 decks4 decks
24%synergy
Heirloom Blade
25%inclusion1 decks4 decks
24%synergy
Sting, the Glinting Dagger
25%inclusion1 decks4 decks
23%synergy
Hunter's Blowgun
25%inclusion1 decks4 decks
24%synergy
Hylda's Crown of Winter
25%inclusion1 decks4 decks
25%synergy
Avacyn's Memorial
25%inclusion1 decks4 decks
25%synergy
Lost Jitte
25%inclusion1 decks4 decks
25%synergy
Sanctuary Blade
25%inclusion1 decks4 decks
25%synergy
Glimmer Lens
25%inclusion1 decks4 decks
24%synergy
Steelclaw Lance
25%inclusion1 decks4 decks
25%synergy
Hexgold Halberd
25%inclusion1 decks4 decks
25%synergy
Swiftfoot Boots
25%inclusion1 decks4 decks
-6%synergy
Sword of the Paruns
25%inclusion1 decks4 decks
25%synergy
Heart of Kiran
25%inclusion1 decks4 decks
25%synergy
Collector's Vault
25%inclusion1 decks4 decks
24%synergy
Basilisk Collar
25%inclusion1 decks4 decks
21%synergy
The Circle of Loyalty
25%inclusion1 decks4 decks
24%synergy
Enchantments
Search for Dagger
100%inclusion1 decks1 decks
100%synergy
Flowering of the White Tree
50%inclusion2 decks4 decks
47%synergy
Rakdos Joins Up
50%inclusion2 decks4 decks
48%synergy
Shiny Impetus
50%inclusion2 decks4 decks
47%synergy
Guild Artisan
50%inclusion2 decks4 decks
49%synergy
Agent of the Shadow Thieves
50%inclusion2 decks4 decks
49%synergy
Bound in Silence
50%inclusion2 decks4 decks
50%synergy
Eye of Nidhogg
50%inclusion1 decks2 decks
49%synergy
Builder's Talent
25%inclusion1 decks4 decks
25%synergy
Oath of Liliana
25%inclusion1 decks4 decks
25%synergy
Urza Assembles the Titans
25%inclusion1 decks4 decks
25%synergy
Bitter Reunion
25%inclusion1 decks4 decks
23%synergy
Aggravated Assault
25%inclusion1 decks4 decks
20%synergy
Tinybones Joins Up
25%inclusion1 decks4 decks
25%synergy
Elspeth Conquers Death
25%inclusion1 decks4 decks
25%synergy
Rising of the Day
25%inclusion1 decks4 decks
17%synergy
Forging the Tyrite Sword
25%inclusion1 decks4 decks
24%synergy
Oath of Chandra
25%inclusion1 decks4 decks
25%synergy
Day of Destiny
25%inclusion1 decks4 decks
24%synergy
Assemble the Legion
25%inclusion1 decks4 decks
19%synergy
Seal of Doom
25%inclusion1 decks4 decks
25%synergy
Retreat to Hagra
25%inclusion1 decks4 decks
25%synergy
Tribute to Horobi
25%inclusion1 decks4 decks
25%synergy
Fighter Class
25%inclusion1 decks4 decks
22%synergy
All That Glitters
25%inclusion1 decks4 decks
24%synergy
Seal of Cleansing
25%inclusion1 decks4 decks
25%synergy
Banish to Another Universe
25%inclusion1 decks4 decks
25%synergy
Twinblade Blessing
25%inclusion1 decks4 decks
25%synergy
The Kenriths' Royal Funeral
25%inclusion1 decks4 decks
24%synergy
Rune of Mortality
25%inclusion1 decks4 decks
24%synergy
Cultist of the Absolute
25%inclusion1 decks4 decks
25%synergy
Demotion
25%inclusion1 decks4 decks
25%synergy
Dazzling Theater // Prop Room
25%inclusion1 decks4 decks
23%synergy
Bastion of Remembrance
25%inclusion1 decks4 decks
11%synergy
Nowhere to Run
25%inclusion1 decks4 decks
24%synergy
War of the Last Alliance
25%inclusion1 decks4 decks
24%synergy
Oath of Gideon
25%inclusion1 decks4 decks
25%synergy
Virtue of Loyalty
25%inclusion1 decks4 decks
24%synergy
Sticky Fingers
25%inclusion1 decks4 decks
24%synergy
Battles
Invasion of Fiora
25%inclusion1 decks4 decks
24%synergy
Planeswalkers
Dihada, Binder of Wills
75%inclusion3 decks4 decks
71%synergy
Nahiri, the Harbinger
50%inclusion2 decks4 decks
50%synergy
Vraska, Betrayal's Sting
25%inclusion1 decks4 decks
25%synergy
Elspeth, Sun's Champion
25%inclusion1 decks4 decks
21%synergy
Sorin, Grim Nemesis
25%inclusion1 decks4 decks
24%synergy
The Wandering Emperor
25%inclusion1 decks4 decks
24%synergy
Teyo, Geometric Tactician
25%inclusion1 decks4 decks
25%synergy
Kaya the Inexorable
25%inclusion1 decks4 decks
24%synergy
The Eternal Wanderer
25%inclusion1 decks4 decks
23%synergy
Sorin, Lord of Innistrad
25%inclusion1 decks4 decks
22%synergy
Liliana, Dreadhorde General
25%inclusion1 decks4 decks
23%synergy
Elspeth Tirel
25%inclusion1 decks4 decks
25%synergy
Liliana, the Last Hope
25%inclusion1 decks4 decks
25%synergy
Tevesh Szat, Doom of Fools
25%inclusion1 decks4 decks
25%synergy
Chandra, Awakened Inferno
25%inclusion1 decks4 decks
25%synergy
Chandra, Legacy of Fire
25%inclusion1 decks4 decks
25%synergy
Ajani Steadfast
25%inclusion1 decks4 decks
25%synergy
Kaya, Intangible Slayer
25%inclusion1 decks4 decks
25%synergy
Teyo, the Shieldmage
25%inclusion1 decks4 decks
25%synergy
Kaya, Geist Hunter
25%inclusion1 decks4 decks
21%synergy
Elspeth, Sun's Nemesis
25%inclusion1 decks4 decks
25%synergy
Sorin the Mirthless
25%inclusion1 decks4 decks
24%synergy
Utility Lands
Vault of the Archangel
75%inclusion3 decks4 decks
52%synergy
Takenuma, Abandoned Mire
50%inclusion2 decks4 decks
43%synergy
Bojuka Bog
25%inclusion1 decks4 decks
-6%synergy
Interplanar Beacon
25%inclusion1 decks4 decks
25%synergy
Eiganjo, Seat of the Empire
25%inclusion1 decks4 decks
19%synergy
Karn's Bastion
25%inclusion1 decks4 decks
24%synergy
Kabira Crossroads
25%inclusion1 decks4 decks
25%synergy
Great Hall of the Citadel
25%inclusion1 decks4 decks
24%synergy
Monumental Henge
25%inclusion1 decks4 decks
24%synergy
Nesting Grounds
25%inclusion1 decks4 decks
25%synergy
Hidden Courtyard
25%inclusion1 decks4 decks
25%synergy
Rogue's Passage
25%inclusion1 decks4 decks
1%synergy
Mana Artifacts
Sol Ring
75%inclusion3 decks4 decks
-13%synergy
Arcane Signet
50%inclusion2 decks4 decks
-36%synergy
Honor-Worn Shaku
50%inclusion2 decks4 decks
49%synergy
Aetheric Amplifier
33%inclusion1 decks3 decks
33%synergy
Staff of Compleation
25%inclusion1 decks4 decks
25%synergy
Relic of Legends
25%inclusion1 decks4 decks
22%synergy
CHROMATIC LANTERN
25%inclusion1 decks4 decks
15%synergy
Patriar's Seal
25%inclusion1 decks4 decks
23%synergy
Mind Stone
25%inclusion1 decks4 decks
16%synergy
Lands
Command Tower
100%inclusion4 decks4 decks
8%synergy
Exotic Orchard
100%inclusion4 decks4 decks
47%synergy
Nomad Outpost
100%inclusion4 decks4 decks
42%synergy
Swamp
100%inclusion4 decks4 decks
5%synergy
Mountain
100%inclusion4 decks4 decks
6%synergy
Plains
100%inclusion4 decks4 decks
5%synergy
Caves of Koilos
75%inclusion3 decks4 decks
35%synergy
Smoldering Marsh
75%inclusion3 decks4 decks
38%synergy
Battlefield Forge
75%inclusion3 decks4 decks
34%synergy
Clifftop Retreat
75%inclusion3 decks4 decks
23%synergy
Shadowblood Ridge
50%inclusion2 decks4 decks
35%synergy
Terramorphic Expanse
50%inclusion2 decks4 decks
32%synergy
Isolated Chapel
50%inclusion2 decks4 decks
-4%synergy
Shattered Landscape
50%inclusion2 decks4 decks
32%synergy
Rugged Prairie
50%inclusion2 decks4 decks
32%synergy
Evolving Wilds
50%inclusion2 decks4 decks
25%synergy
Sulfurous Springs
50%inclusion2 decks4 decks
21%synergy
Savai Triome
25%inclusion1 decks4 decks
-12%synergy
Witch Enchanter
25%inclusion1 decks4 decks
18%synergy
Fell the Profane
25%inclusion1 decks4 decks
18%synergy
Rakdos Carnarium
25%inclusion1 decks4 decks
14%synergy
Desolate Mire
25%inclusion1 decks4 decks
13%synergy
Fetid Heath
25%inclusion1 decks4 decks
3%synergy
Blood Crypt
25%inclusion1 decks4 decks
-21%synergy
Tainted Field
25%inclusion1 decks4 decks
14%synergy
Sacred Foundry
25%inclusion1 decks4 decks
-21%synergy
Horizon of Progress
25%inclusion1 decks4 decks
24%synergy
Razorgrass Ambush
25%inclusion1 decks4 decks
24%synergy
Dragonskull Summit
25%inclusion1 decks4 decks
-28%synergy
Furycalm Snarl
25%inclusion1 decks4 decks
15%synergy
Boggart Trawler
25%inclusion1 decks4 decks
22%synergy
Godless Shrine
25%inclusion1 decks4 decks
-23%synergy
Boros Guildgate
25%inclusion1 decks4 decks
23%synergy
Luxury Suite
25%inclusion1 decks4 decks
-6%synergy
Sunscorched Divide
25%inclusion1 decks4 decks
18%synergy
Boros Garrison
25%inclusion1 decks4 decks
14%synergy
Blazemire Verge
25%inclusion1 decks4 decks
13%synergy
Plaza of Heroes
25%inclusion1 decks4 decks
21%synergy
The Grey Havens
25%inclusion1 decks4 decks
23%synergy
Malakir Rebirth
25%inclusion1 decks4 decks
19%synergy
Orzhov Basilica
25%inclusion1 decks4 decks
12%synergy
Tainted Peak
25%inclusion1 decks4 decks
15%synergy
Shattered Sanctum
25%inclusion1 decks4 decks
-1%synergy
Sundering Eruption
25%inclusion1 decks4 decks
22%synergy
Shineshadow Snarl
25%inclusion1 decks4 decks
15%synergy
Spectator Seating
25%inclusion1 decks4 decks
-6%synergy
Forbidden Orchard
25%inclusion1 decks4 decks
23%synergy
Geothermal Bog
25%inclusion1 decks4 decks
21%synergy
Vault of Champions
25%inclusion1 decks4 decks
-7%synergy
Crystal Grotto
25%inclusion1 decks4 decks
25%synergy
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