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Average Deck for Kelsien, the Plague - Optimized Treasure
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #456
1decks
Jun 19, 2026
Which Commander Themes Still Don't Have a Precon?
There will be close to 200 precons by the time the year's done, but there's still so much ground to cover, as Ciel identifies the themes in need.
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.
Decklist
Commander
- 1Kelsien, the PlagueKelsien, the Plague
Creatures (22)
- 1Dark ConfidantDark Confidant
- 1Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1Felidar GuardianFelidar Guardian
- 1Felidar SovereignFelidar Sovereign
- 1Flamescroll CelebrantFlamescroll Celebrant
- 1Geralf's MessengerGeralf's Messenger
- 1Goldspan DragonGoldspan Dragon
- 1Heliod, Sun-CrownedHeliod, Sun-Crowned
- 1Imperial RecruiterImperial Recruiter
- 1Kiki-Jiki, Mirror BreakerKiki-Jiki, Mirror Breaker
- 1Lotho, Corrupt ShirriffLotho, Corrupt Shirriff
- 1Mari, the Killing QuillMari, the Killing Quill
- 1Marionette MasterMarionette Master
- 1Morbid OpportunistMorbid Opportunist
- 1Murderous RedcapMurderous Redcap
- 1Otharri, Suns' GloryOtharri, Suns' Glory
- 1Ruthless TechnomancerRuthless Technomancer
- 1Smaug, Wicked WormSmaug, Wicked Worm
- 1Umbral Collar ZealotUmbral Collar Zealot
- 1Varragoth, Bloodsky SireVarragoth, Bloodsky Sire
- 1Walking BallistaWalking Ballista
- 1Warren SoultraderWarren Soultrader
Instants (15)
- 1Baleful MasteryBaleful Mastery
- 1Bolt BendBolt Bend
- 1Chance for GloryChance for Glory
- 1Dark RitualDark Ritual
- 1DesparkDespark
- 1ErodeErode
- 1Final FortuneFinal Fortune
- 1Generous GiftGenerous Gift
- 1Kazuul's FuryKazuul's Fury
- 1Path to ExilePath to Exile
- 1ReprieveReprieve
- 1Return the FavorReturn the Favor
- 1Sejiri ShelterSejiri Shelter
- 1Stroke of MidnightStroke of Midnight
- 1Swords to PlowsharesSwords to Plowshares
Sorceries (7)
- 1Approach of the Second SunApproach of the Second Sun
- 1Blood MoneyBlood Money
- 1DamnDamn
- 1Fervent MasteryFervent Mastery
- 1GambleGamble
- 1Last ChanceLast Chance
- 1Profane TutorProfane Tutor
Artifacts (13)
- 1Arcane SignetArcane Signet
- 1Ashnod's AltarAshnod's Altar
- 1Basilisk CollarBasilisk Collar
- 1Gorgon's HeadGorgon's Head
- 1Halo FountainHalo Fountain
- 1Lightning GreavesLightning Greaves
- 1Patriar's SealPatriar's Seal
- 1Phantom TrainPhantom Train
- 1Quietus SpikeQuietus Spike
- 1Staff of DominationStaff of Domination
- 1Swiftfoot BootsSwiftfoot Boots
- 1Thran DynamoThran Dynamo
- 1Vorpal SwordVorpal Sword
Enchantments (9)
- 1Descent into AvernusDescent into Avernus
- 1Fable of the Mirror-BreakerFable of the Mirror-Breaker
- 1Gift of DoomGift of Doom
- 1Martyr's CauseMartyr's Cause
- 1Phyrexian ArenaPhyrexian Arena
- 1Revel in RichesRevel in Riches
- 1Sneak AttackSneak Attack
- 1SolemnitySolemnity
- 1Spiteful BanditrySpiteful Banditry
Lands (33)
- 1Battlefield ForgeBattlefield Forge
- 1Blackcleave CliffsBlackcleave Cliffs
- 1Blood CryptBlood Crypt
- 1Boros GarrisonBoros Garrison
- 1Canyon SloughCanyon Slough
- 1Command TowerCommand Tower
- 1Dark DepthsDark Depths
- 1Emergence ZoneEmergence Zone
- 1Foreboding RuinsForeboding Ruins
- 1Godless ShrineGodless Shrine
- 1Inspiring VantageInspiring Vantage
- 1Mount DoomMount Doom
- 2MountainMountain
- 1Orzhov BasilicaOrzhov Basilica
- 1Path of AncestryPath of Ancestry
- 2PlainsPlains
- 1Plaza of HeroesPlaza of Heroes
- 1Rakdos CarnariumRakdos Carnarium
- 1Reliquary TowerReliquary Tower
- 1Sacred FoundrySacred Foundry
- 1Shineshadow SnarlShineshadow Snarl
- 1Smoldering MarshSmoldering Marsh
- 1Starting TownStarting Town
- 1Sulfurous SpringsSulfurous Springs
- 1Sundown PassSundown Pass
- 2SwampSwamp
- 1Temple of MaliceTemple of Malice
- 1Temple of TriumphTemple of Triumph
- 1Temple of the False GodTemple of the False God
- 1Vault of ChampionsVault of Champions
Dark Confidant
Dark Confidant
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
Felidar Guardian
Felidar Guardian
Felidar Sovereign
Felidar Sovereign
Flamescroll Celebrant
Flamescroll Celebrant
Geralf's Messenger
Geralf's Messenger
Goldspan Dragon
Goldspan Dragon
Heliod, Sun-Crowned
Heliod, Sun-Crowned
Imperial Recruiter
Imperial Recruiter
Kiki-Jiki, Mirror Breaker
Kiki-Jiki, Mirror Breaker
Lotho, Corrupt Shirriff
Lotho, Corrupt Shirriff
Marionette Master
Marionette Master
Mari, the Killing Quill
Mari, the Killing Quill
Morbid Opportunist
Morbid Opportunist
Murderous Redcap
Murderous Redcap
Otharri, Suns' Glory
Otharri, Suns' Glory
Ruthless Technomancer
Ruthless Technomancer
Smaug, Wicked Worm
Smaug, Wicked Worm
Umbral Collar Zealot
Umbral Collar Zealot
Varragoth, Bloodsky Sire
Varragoth, Bloodsky Sire
Walking Ballista
Walking Ballista
Warren Soultrader
Warren Soultrader
Instants (15)
Baleful Mastery
Baleful Mastery
Bolt Bend
Bolt Bend
Chance for Glory
Chance for Glory
Dark Ritual
Dark Ritual
Despark
Despark
Erode
Erode
Final Fortune
Final Fortune
Generous Gift
Generous Gift
Kazuul's Fury
Kazuul's Fury
Path to Exile
Path to Exile
Reprieve
Reprieve
Return the Favor
Return the Favor
Sejiri Shelter
Sejiri Shelter
Stroke of Midnight
Stroke of Midnight
Swords to Plowshares
Swords to Plowshares
Sorceries (7)
Approach of the Second Sun
Approach of the Second Sun
Blood Money
Blood Money
Damn
Damn
Fervent Mastery
Fervent Mastery
Gamble
Gamble
Last Chance
Last Chance
Profane Tutor
Profane Tutor
Artifacts (13)
Arcane Signet
Arcane Signet
Ashnod's Altar
Ashnod's Altar
Basilisk Collar
Basilisk Collar
Gorgon's Head
Gorgon's Head
Halo Fountain
Halo Fountain
Lightning Greaves
Lightning Greaves
Patriar's Seal
Patriar's Seal
Phantom Train
Phantom Train
Quietus Spike
Quietus Spike
Staff of Domination
Staff of Domination
Swiftfoot Boots
Swiftfoot Boots
Thran Dynamo
Thran Dynamo
Vorpal Sword
Vorpal Sword
Enchantments (9)
Descent into Avernus
Descent into Avernus
Fable of the Mirror-Breaker
Fable of the Mirror-Breaker
Gift of Doom
Gift of Doom
Martyr's Cause
Martyr's Cause
Phyrexian Arena
Phyrexian Arena
Revel in Riches
Revel in Riches
Sneak Attack
Sneak Attack
Solemnity
Solemnity
Spiteful Banditry
Spiteful Banditry
Lands (27)
Battlefield Forge
Battlefield Forge
Blackcleave Cliffs
Blackcleave Cliffs
Blood Crypt
Blood Crypt
Boros Garrison
Boros Garrison
Canyon Slough
Canyon Slough
Command Tower
Command Tower
Dark Depths
Dark Depths
Emergence Zone
Emergence Zone
Foreboding Ruins
Foreboding Ruins
Godless Shrine
Godless Shrine
Inspiring Vantage
Inspiring Vantage
Mount Doom
Mount Doom
Orzhov Basilica
Orzhov Basilica
Path of Ancestry
Path of Ancestry
Plaza of Heroes
Plaza of Heroes
Rakdos Carnarium
Rakdos Carnarium
Reliquary Tower
Reliquary Tower
Sacred Foundry
Sacred Foundry
Shineshadow Snarl
Shineshadow Snarl
Smoldering Marsh
Smoldering Marsh
Starting Town
Starting Town
Sulfurous Springs
Sulfurous Springs
Sundown Pass
Sundown Pass
Temple of Malice
Temple of Malice
Temple of the False God
Temple of the False God
Temple of Triumph
Temple of Triumph
Vault of Champions
Vault of Champions
Basics (3)
Mountain
2 Mountain
Plains
2 Plains
Swamp
2 Swamp