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Average Deck for Altaïr, Brotherhood Mentor - Budget Upgraded Control
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #420
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 Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
- 1 Adeline, Resplendent CatharAdeline, Resplendent Cathar
- 1 Alesha, Who Laughs at FateAlesha, Who Laughs at Fate
- 1 Alesha, Who Smiles at DeathAlesha, Who Smiles at Death
- 1 Arcane SignetArcane Signet
- 1 Basilisk CollarBasilisk Collar
- 1 Bastion ProtectorBastion Protector
- 1 Battlefield ForgeBattlefield Forge
- 1 Blasphemous ActBlasphemous Act
- 1 Boros SignetBoros Signet
- 1 Bounty BoardBounty Board
- 1 Buried RuinBuried Ruin
- 1 Call the CoppercoatsCall the Coppercoats
- 1 Caves of KoilosCaves of Koilos
- 1 Champion's HelmChampion's Helm
- 1 Chaos WarpChaos Warp
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Curse of OpulenceCurse of Opulence
- 1 DamnDamn
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 DesparkDespark
- 1 Detection TowerDetection Tower
- 1 Djeru's ResolveDjeru's Resolve
- 1 Dragonfire BladeDragonfire Blade
- 1 Dragonskull SummitDragonskull Summit
- 1 Emerge UnscathedEmerge Unscathed
- 1 Exotic OrchardExotic Orchard
- 1 Faith's ShieldFaith's Shield
- 1 Fellwar StoneFellwar Stone
- 1 Fetid HeathFetid Heath
- 1 Forging the Tyrite SwordForging the Tyrite Sword
- 1 FractureFracture
- 1 General's EnforcerGeneral's Enforcer
- 1 Glaring SpotlightGlaring Spotlight
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Graven CairnsGraven Cairns
- 1 Hanweir GarrisonHanweir Garrison
- 1 Illusionist's BracersIllusionist's Bracers
- 1 Isolated ChapelIsolated Chapel
- 1 Lossarnach CaptainLossarnach Captain
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 6 MountainMountain
- 1 Muraganda RacewayMuraganda Raceway
- 1 Night's WhisperNight's Whisper
- 1 Nowhere to RunNowhere to Run
- 1 Open the ArmoryOpen the Armory
- 1 Orzhov SignetOrzhov Signet
- 1 Path to ExilePath to Exile
- 1 Pirate's PillagePirate's Pillage
- 8 PlainsPlains
- 1 Puppet StringsPuppet Strings
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos SignetRakdos Signet
- 1 Read the BonesRead the Bones
- 1 RefurbishRefurbish
- 1 Riders of RohanRiders of Rohan
- 1 Rogue's PassageRogue's Passage
- 1 Rugged PrairieRugged Prairie
- 1 Rune of MortalityRune of Mortality
- 1 Shared AnimosityShared Animosity
- 1 Sign in BloodSign in Blood
- 1 Sol RingSol Ring
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stroke of MidnightStroke of Midnight
- 1 Sulfurous SpringsSulfurous Springs
- 1 Surge of SalvationSurge of Salvation
- 8 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 Talisman of IndulgenceTalisman of Indulgence
- 1 Unbreakable FormationUnbreakable Formation
- 1 Unclaimed TerritoryUnclaimed Territory
- 1 VandalblastVandalblast
- 1 Wrath of GodWrath of God
- 1 You Are Already DeadYou Are Already Dead
Adeline, Resplendent Cathar
Adeline, Resplendent Cathar
Alesha, Who Laughs at Fate
Alesha, Who Laughs at Fate
Alesha, Who Smiles at Death
Alesha, Who Smiles at Death
Bastion Protector
Bastion Protector
General's Enforcer
General's Enforcer
Hanweir Garrison
Hanweir Garrison
Lossarnach Captain
Lossarnach Captain
Morbid Opportunist
Morbid Opportunist
Riders of Rohan
Riders of Rohan
Instants (16)
Call the Coppercoats
Call the Coppercoats
Chaos Warp
Chaos Warp
Crackling Doom
Crackling Doom
Despark
Despark
Djeru's Resolve
Djeru's Resolve
Emerge Unscathed
Emerge Unscathed
Faith's Shield
Faith's Shield
Fracture
Fracture
Mirrodin Avenged
Mirrodin Avenged
Mortify
Mortify
Path to Exile
Path to Exile
Stroke of Midnight
Stroke of Midnight
Surge of Salvation
Surge of Salvation
Swords to Plowshares
Swords to Plowshares
Unbreakable Formation
Unbreakable Formation
You Are Already Dead
You Are Already Dead
Sorceries (10)
Blasphemous Act
Blasphemous Act
Damn
Damn
Night's Whisper
Night's Whisper
Open the Armory
Open the Armory
Pirate's Pillage
Pirate's Pillage
Read the Bones
Read the Bones
Refurbish
Refurbish
Sign in Blood
Sign in Blood
Vandalblast
Vandalblast
Wrath of God
Wrath of God
Artifacts (20)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Bounty Board
Bounty Board
Champion's Helm
Champion's Helm
Dragonfire Blade
Dragonfire Blade
Fellwar Stone
Fellwar Stone
Glaring Spotlight
Glaring Spotlight
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
Illusionist's Bracers
Illusionist's Bracers
Orzhov Signet
Orzhov Signet
Puppet Strings
Puppet Strings
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 Hierarchy
Talisman of Hierarchy
Talisman of Indulgence
Talisman of Indulgence
Enchantments (6)
Curse of Opulence
Curse of Opulence
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Forging the Tyrite Sword
Forging the Tyrite Sword
Nowhere to Run
Nowhere to Run
Rune of Mortality
Rune of Mortality
Shared Animosity
Shared Animosity
Lands (16)
Battlefield Forge
Battlefield Forge
Buried Ruin
Buried Ruin
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Detection Tower
Detection Tower
Dragonskull Summit
Dragonskull Summit
Exotic Orchard
Exotic Orchard
Fetid Heath
Fetid Heath
Graven Cairns
Graven Cairns
Isolated Chapel
Isolated Chapel
Muraganda Raceway
Muraganda Raceway
Rogue's Passage
Rogue's Passage
Rugged Prairie
Rugged Prairie
Sulfurous Springs
Sulfurous Springs
Unclaimed Territory
Unclaimed Territory
Basics (3)
Mountain
6 Mountains
Plains
8 Plains
Swamp
8 Swamps