Average Deck for Kelsien, the Plague - Budget Activated Abilities
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #386
2decks

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.

Nov 14, 2025
Fire and Ice: Which Cards are Hot and Cold for Nov. 14?
Let's see which cards are heating up and cooling down for Kelsien and Aminatou, the Fateshifter, on this week's Fire and Ice.
Average Decklist
- 1 Kelsien, the PlagueKelsien, the Plague
- 1 Aetheric AmplifierAetheric Amplifier
- 1 Arcane SignetArcane Signet
- 1 Aspect of GorgonAspect of Gorgon
- 1 At KnifepointAt Knifepoint
- 1 Bandit's HaulBandit's Haul
- 1 Basilisk CollarBasilisk Collar
- 1 Battle-Rage BlessingBattle-Rage Blessing
- 1 BladebrandBladebrand
- 1 Bloodfell CavesBloodfell Caves
- 1 Boros GarrisonBoros Garrison
- 1 Boros SignetBoros Signet
- 1 Cathartic ReunionCathartic Reunion
- 1 Command TowerCommand Tower
- 1 Commander's SphereCommander's Sphere
- 1 Crackling DoomCrackling Doom
- 1 Daxos the ReturnedDaxos the Returned
- 1 Dragonskull SummitDragonskull Summit
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fighter ClassFighter Class
- 1 Fury CharmFury Charm
- 1 General's EnforcerGeneral's Enforcer
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Grave BetrayalGrave Betrayal
- 1 Harvester of SoulsHarvester of Souls
- 1 HaystackHaystack
- 1 Hourglass of the LostHourglass of the Lost
- 1 Humble DefectorHumble Defector
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Illusionist's BracersIllusionist's Bracers
- 1 Isolated ChapelIsolated Chapel
- 1 Loxodon WarhammerLoxodon Warhammer
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marvin, Murderous MimicMarvin, Murderous Mimic
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 Mother of RunesMother of Runes
- 6 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Night's WhisperNight's Whisper
- 1 Norn's ChoirmasterNorn's Choirmaster
- 1 Nowhere to RunNowhere to Run
- 1 Offer ImmortalityOffer Immortality
- 1 Orzhov BasilicaOrzhov Basilica
- 1 Orzhov GuildgateOrzhov Guildgate
- 1 Orzhov SignetOrzhov Signet
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Path of AncestryPath of Ancestry
- 1 Patriar's SealPatriar's Seal
- 6 PlainsPlains
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos SignetRakdos Signet
- 1 Reliquary TowerReliquary Tower
- 1 Robaran MercenariesRobaran Mercenaries
- 1 Rune of MortalityRune of Mortality
- 1 Shay CormacShay Cormac
- 1 Siege SmashSiege Smash
- 1 Slaughter SpecialistSlaughter Specialist
- 1 Sol RingSol Ring
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stroke of MidnightStroke of Midnight
- 1 Sun TitanSun Titan
- 1 Sunhome, Fortress of the LegionSunhome, Fortress of the Legion
- 7 SwampSwamp
- 1 Sword of the AnimistSword of the Animist
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Tenza, Godo's MaulTenza, Godo's Maul
- 1 Termination FacilitatorTermination Facilitator
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Thornbite StaffThornbite Staff
- 1 Thriving BluffThriving Bluff
- 1 Thriving MoorThriving Moor
- 1 Untimely MalfunctionUntimely Malfunction
- 1 Wear // TearWear // Tear
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 Wind-Scarred CragWind-Scarred Crag
- 1 You Are Already DeadYou Are Already Dead
Daxos the Returned
Daxos the Returned
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Harvester of Souls
Harvester of Souls
Humble Defector
Humble Defector
Mari, the Killing Quill
Mari, the Killing Quill
Marvin, Murderous Mimic
Marvin, Murderous Mimic
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Mother of Runes
Mother of Runes
Norn's Choirmaster
Norn's Choirmaster
Otharri, Suns' Glory
Otharri, Suns' Glory
Robaran Mercenaries
Robaran Mercenaries
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Sun Titan
Sun Titan
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Termination Facilitator
Termination Facilitator
White Plume Adventurer
White Plume Adventurer
Instants (12)
Battle-Rage Blessing
Battle-Rage Blessing
Bladebrand
Bladebrand
Crackling Doom
Crackling Doom
Fury Charm
Fury Charm
Mirrodin Avenged
Mirrodin Avenged
Offer Immortality
Offer Immortality
Siege Smash
Siege Smash
Stroke of Midnight
Stroke of Midnight
Swords to Plowshares
Swords to Plowshares
Untimely Malfunction
Untimely Malfunction
Wear // Tear
Wear // Tear
You Are Already Dead
You Are Already Dead
Sorceries (4)
Cathartic Reunion
Cathartic Reunion
Mythos of Snapdax
Mythos of Snapdax
Night's Whisper
Night's Whisper
Painful Truths
Painful Truths
Artifacts (22)
Aetheric Amplifier
Aetheric Amplifier
Arcane Signet
Arcane Signet
Bandit's Haul
Bandit's Haul
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Commander's Sphere
Commander's Sphere
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
Haystack
Haystack
Hourglass of the Lost
Hourglass of the Lost
Hunter's Blowgun
Hunter's Blowgun
Illusionist's Bracers
Illusionist's Bracers
Loxodon Warhammer
Loxodon Warhammer
Orzhov Signet
Orzhov Signet
Patriar's Seal
Patriar's Seal
Quietus Spike
Quietus Spike
Rakdos Signet
Rakdos Signet
Sol Ring
Sol Ring
Sting, the Glinting Dagger
Sting, the Glinting Dagger
Sword of the Animist
Sword of the Animist
Tenza, Godo's Maul
Tenza, Godo's Maul
Thornbite Staff
Thornbite Staff
Enchantments (6)
Aspect of Gorgon
Aspect of Gorgon
At Knifepoint
At Knifepoint
Fighter Class
Fighter Class
Grave Betrayal
Grave Betrayal
Nowhere to Run
Nowhere to Run
Rune of Mortality
Rune of Mortality
Lands (16)
Bloodfell Caves
Bloodfell Caves
Boros Garrison
Boros Garrison
Command Tower
Command Tower
Dragonskull Summit
Dragonskull Summit
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Isolated Chapel
Isolated Chapel
Orzhov Basilica
Orzhov Basilica
Orzhov Guildgate
Orzhov Guildgate
Path of Ancestry
Path of Ancestry
Reliquary Tower
Reliquary Tower
Sunhome, Fortress of the Legion
Sunhome, Fortress of the Legion
Terramorphic Expanse
Terramorphic Expanse
Thriving Bluff
Thriving Bluff
Thriving Moor
Thriving Moor
Wind-Scarred Crag
Wind-Scarred Crag
Basics (3)
Mountain
6 Mountains
Plains
6 Plains
Swamp
7 Swamps