Average Deck for Kelsien, the Plague - Budget Aggro
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #420
4decks

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 Agrus Kos, Eternal SoldierAgrus Kos, Eternal Soldier
- 1 Alesha, Who Laughs at FateAlesha, Who Laughs at Fate
- 1 Arcane SignetArcane Signet
- 1 Aya of AlexandriaAya of Alexandria
- 1 Ballista SquadBallista Squad
- 1 Battlefield ForgeBattlefield Forge
- 1 Bayek of SiwaBayek of Siwa
- 1 Blasphemous ActBlasphemous Act
- 1 Blight SickleBlight Sickle
- 1 Blood CultistBlood Cultist
- 1 Boros CharmBoros Charm
- 1 Boros SignetBoros Signet
- 1 Caves of KoilosCaves of Koilos
- 1 Chaos WarpChaos Warp
- 1 Clifftop RetreatClifftop Retreat
- 1 Collective InfernoCollective Inferno
- 1 Command TowerCommand Tower
- 1 Commander's SphereCommander's Sphere
- 1 Conduit PylonsConduit Pylons
- 1 Crackling DoomCrackling Doom
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 DesparkDespark
- 1 Dire TacticsDire Tactics
- 1 Dragonskull SummitDragonskull Summit
- 1 Drown in IchorDrown in Ichor
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Everlasting TormentEverlasting Torment
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fang SkulkinFang Skulkin
- 1 Flamescroll CelebrantFlamescroll Celebrant
- 1 Flowering of the White TreeFlowering of the White Tree
- 1 Forging the Tyrite SwordForging the Tyrite Sword
- 1 General's EnforcerGeneral's Enforcer
- 1 Glaring SpotlightGlaring Spotlight
- 1 Graven CairnsGraven Cairns
- 1 HateflayerHateflayer
- 1 Humble DefectorHumble Defector
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Isolated ChapelIsolated Chapel
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Maximum OverdriveMaximum Overdrive
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 7 MountainMountain
- 1 Muraganda RacewayMuraganda Raceway
- 1 Night's WhisperNight's Whisper
- 1 Nomad OutpostNomad Outpost
- 1 Nowhere to RunNowhere to Run
- 1 Orzhov SignetOrzhov Signet
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 8 PlainsPlains
- 1 Read the BonesRead the Bones
- 1 Resistance SkywardenResistance Skywarden
- 1 Riders of RohanRiders of Rohan
- 1 Robaran MercenariesRobaran Mercenaries
- 1 Rugged PrairieRugged Prairie
- 1 Rustrazor ButcherRustrazor Butcher
- 1 Shattered LandscapeShattered Landscape
- 1 Shay CormacShay Cormac
- 1 Sign in BloodSign in Blood
- 1 Sol RingSol Ring
- 1 Stroke of MidnightStroke of Midnight
- 1 Surtr, Fiery JötunSurtr, Fiery Jötun
- 9 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Tainted FieldTainted Field
- 1 Talisman of IndulgenceTalisman of Indulgence
- 1 TerminateTerminate
- 1 Unbreakable FormationUnbreakable Formation
- 1 VandalblastVandalblast
- 1 Virulent SwipeVirulent Swipe
- 1 You Are Already DeadYou Are Already Dead
- 1 Zealot il-VecZealot il-Vec
Agrus Kos, Eternal Soldier
Agrus Kos, Eternal Soldier
Alesha, Who Laughs at Fate
Alesha, Who Laughs at Fate
Aya of Alexandria
Aya of Alexandria
Ballista Squad
Ballista Squad
Bayek of Siwa
Bayek of Siwa
Blood Cultist
Blood Cultist
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
Fang Skulkin
Fang Skulkin
Flamescroll Celebrant
Flamescroll Celebrant
General's Enforcer
General's Enforcer
Hateflayer
Hateflayer
Humble Defector
Humble Defector
Magda, the Hoardmaster
Magda, the Hoardmaster
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Resistance Skywarden
Resistance Skywarden
Riders of Rohan
Riders of Rohan
Robaran Mercenaries
Robaran Mercenaries
Rustrazor Butcher
Rustrazor Butcher
Shay Cormac
Shay Cormac
Surtr, Fiery Jötun
Surtr, Fiery Jötun
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Zealot il-Vec
Zealot il-Vec
Instants (13)
Boros Charm
Boros Charm
Chaos Warp
Chaos Warp
Crackling Doom
Crackling Doom
Despark
Despark
Dire Tactics
Dire Tactics
Maximum Overdrive
Maximum Overdrive
Mirrodin Avenged
Mirrodin Avenged
Mortify
Mortify
Stroke of Midnight
Stroke of Midnight
Terminate
Terminate
Unbreakable Formation
Unbreakable Formation
Virulent Swipe
Virulent Swipe
You Are Already Dead
You Are Already Dead
Sorceries (6)
Blasphemous Act
Blasphemous Act
Drown in Ichor
Drown in Ichor
Night's Whisper
Night's Whisper
Read the Bones
Read the Bones
Sign in Blood
Sign in Blood
Vandalblast
Vandalblast
Artifacts (11)
Aetheric Amplifier
Aetheric Amplifier
Arcane Signet
Arcane Signet
Blight Sickle
Blight Sickle
Boros Signet
Boros Signet
Commander's Sphere
Commander's Sphere
Glaring Spotlight
Glaring Spotlight
Hunter's Blowgun
Hunter's Blowgun
Orzhov Signet
Orzhov Signet
Sol Ring
Sol Ring
Swiftfoot Boots
Swiftfoot Boots
Talisman of Indulgence
Talisman of Indulgence
Enchantments (6)
Collective Inferno
Collective Inferno
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Everlasting Torment
Everlasting Torment
Flowering of the White Tree
Flowering of the White Tree
Forging the Tyrite Sword
Forging the Tyrite Sword
Nowhere to Run
Nowhere to Run
Lands (14)
Battlefield Forge
Battlefield Forge
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Conduit Pylons
Conduit Pylons
Dragonskull Summit
Dragonskull Summit
Exotic Orchard
Exotic Orchard
Graven Cairns
Graven Cairns
Isolated Chapel
Isolated Chapel
Muraganda Raceway
Muraganda Raceway
Nomad Outpost
Nomad Outpost
Rugged Prairie
Rugged Prairie
Shattered Landscape
Shattered Landscape
Tainted Field
Tainted Field
Basics (3)
Mountain
7 Mountains
Plains
8 Plains
Swamp
9 Swamps