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Average Deck for Kelsien, the Plague - Budget Optimized
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #423
10decks

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 Akiri, Fearless VoyagerAkiri, Fearless Voyager
- 1 All-Out AssaultAll-Out Assault
- 1 Anguished UnmakingAnguished Unmaking
- 1 Arcane SignetArcane Signet
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Blood CultistBlood Cultist
- 1 Bojuka BogBojuka Bog
- 1 Boros SignetBoros Signet
- 1 Caves of KoilosCaves of Koilos
- 1 Chandra's IgnitionChandra's Ignition
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Dark RitualDark Ritual
- 1 DesparkDespark
- 1 Diabolic TutorDiabolic Tutor
- 1 DrumbellowerDrumbellower
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Exotic OrchardExotic Orchard
- 1 Fabled PassageFabled Passage
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fellwar StoneFellwar Stone
- 1 Fighter ClassFighter Class
- 1 General's EnforcerGeneral's Enforcer
- 1 Generous GiftGenerous Gift
- 1 Gift of DoomGift of Doom
- 1 Goblin SharpshooterGoblin Sharpshooter
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Humble DefectorHumble Defector
- 1 Illusionist's BracersIllusionist's Bracers
- 1 Isolated ChapelIsolated Chapel
- 1 Magewright's StoneMagewright's Stone
- 1 Maha, Its Feathers NightMaha, Its Feathers Night
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 1 Mother of RunesMother of Runes
- 6 MountainMountain
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Orzhov SignetOrzhov Signet
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Path to ExilePath to Exile
- 1 Patriar's SealPatriar's Seal
- 7 PlainsPlains
- 1 Puresteel PaladinPuresteel Paladin
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos SignetRakdos Signet
- 1 Read the BonesRead the Bones
- 1 ReconnaissanceReconnaissance
- 1 Rogue's PassageRogue's Passage
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Savai TriomeSavai Triome
- 1 Shadowblood RidgeShadowblood Ridge
- 1 Shay CormacShay Cormac
- 1 Sign in BloodSign in Blood
- 1 Slaughter SpecialistSlaughter Specialist
- 1 Sol RingSol Ring
- 1 Spectator SeatingSpectator Seating
- 1 Steelshaper's GiftSteelshaper's Gift
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stroke of MidnightStroke of Midnight
- 1 Sulfurous SpringsSulfurous Springs
- 7 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 Talisman of IndulgenceTalisman of Indulgence
- 1 Temple of SilenceTemple of Silence
- 1 Thornbite StaffThornbite Staff
- 1 Utter EndUtter End
- 1 Vault of the ArchangelVault of the Archangel
- 1 Void BeckonerVoid Beckoner
- 1 Vorpal SwordVorpal Sword
- 1 White Plume AdventurerWhite Plume Adventurer
Akiri, Fearless Voyager
Akiri, Fearless Voyager
Blood Cultist
Blood Cultist
Drumbellower
Drumbellower
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Goblin Sharpshooter
Goblin Sharpshooter
Humble Defector
Humble Defector
Maha, Its Feathers Night
Maha, Its Feathers Night
Mari, the Killing Quill
Mari, the Killing Quill
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Mother of Runes
Mother of Runes
Otharri, Suns' Glory
Otharri, Suns' Glory
Puresteel Paladin
Puresteel Paladin
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Void Beckoner
Void Beckoner
White Plume Adventurer
White Plume Adventurer
Instants (10)
Anguished Unmaking
Anguished Unmaking
Crackling Doom
Crackling Doom
Dark Ritual
Dark Ritual
Despark
Despark
Generous Gift
Generous Gift
Mortify
Mortify
Path to Exile
Path to Exile
Stroke of Midnight
Stroke of Midnight
Swords to Plowshares
Swords to Plowshares
Utter End
Utter End
Sorceries (8)
Chandra's Ignition
Chandra's Ignition
Diabolic Tutor
Diabolic Tutor
Open the Armory
Open the Armory
Painful Truths
Painful Truths
Read the Bones
Read the Bones
Ruinous Ultimatum
Ruinous Ultimatum
Sign in Blood
Sign in Blood
Steelshaper's Gift
Steelshaper's Gift
Artifacts (20)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Fellwar Stone
Fellwar Stone
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
Illusionist's Bracers
Illusionist's Bracers
Magewright's Stone
Magewright's Stone
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
Swiftfoot Boots
Swiftfoot Boots
Talisman of Conviction
Talisman of Conviction
Talisman of Hierarchy
Talisman of Hierarchy
Talisman of Indulgence
Talisman of Indulgence
Thornbite Staff
Thornbite Staff
Vorpal Sword
Vorpal Sword
Enchantments (5)
All-Out Assault
All-Out Assault
Fighter Class
Fighter Class
Gift of Doom
Gift of Doom
Reconnaissance
Reconnaissance
Rune of Mortality
Rune of Mortality
Lands (16)
Battlefield Forge
Battlefield Forge
Bojuka Bog
Bojuka Bog
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Exotic Orchard
Exotic Orchard
Fabled Passage
Fabled Passage
Isolated Chapel
Isolated Chapel
Nomad Outpost
Nomad Outpost
Rogue's Passage
Rogue's Passage
Savai Triome
Savai Triome
Shadowblood Ridge
Shadowblood Ridge
Spectator Seating
Spectator Seating
Sulfurous Springs
Sulfurous Springs
Temple of Silence
Temple of Silence
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
6 Mountains
Plains
7 Plains
Swamp
7 Swamps