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Average Deck for Altaïr, Brotherhood Mentor - Expensive Upgraded Control
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
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 Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
- 1 Abstruse AppropriationAbstruse Appropriation
- 1 Anguished UnmakingAnguished Unmaking
- 1 Arcane LighthouseArcane Lighthouse
- 1 Arcane SignetArcane Signet
- 1 Arena of GloryArena of Glory
- 1 Arid MesaArid Mesa
- 1 Aspect of GorgonAspect of Gorgon
- 1 BadlandsBadlands
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Big ScoreBig Score
- 1 Blood CryptBlood Crypt
- 1 Burning SandsBurning Sands
- 1 Caves of KoilosCaves of Koilos
- 1 Cloud, Midgar MercenaryCloud, Midgar Mercenary
- 1 Command TowerCommand Tower
- 1 Cunning SparkmageCunning Sparkmage
- 1 Deflecting SwatDeflecting Swat
- 1 Demonic TutorDemonic Tutor
- 1 Detection TowerDetection Tower
- 1 Dragonfire BladeDragonfire Blade
- 1 Dragonskull SummitDragonskull Summit
- 1 Enlightened TutorEnlightened Tutor
- 1 Fellwar StoneFellwar Stone
- 1 Fighter ClassFighter Class
- 1 General's EnforcerGeneral's Enforcer
- 1 Ghost QuarterGhost Quarter
- 1 Gift of ImmortalityGift of Immortality
- 1 Godless ShrineGodless Shrine
- 1 Gorgon FlailGorgon Flail
- 1 Grasp of FateGrasp of Fate
- 1 Graven CairnsGraven Cairns
- 1 Grim TutorGrim Tutor
- 1 Hammer of NazahnHammer of Nazahn
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Hymn of the FallerHymn of the Faller
- 1 Isolated ChapelIsolated Chapel
- 1 Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1 Kaya's GhostformKaya's Ghostform
- 1 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Liquimetal TorqueLiquimetal Torque
- 1 Luxury SuiteLuxury Suite
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Maha, Its Feathers NightMaha, Its Feathers Night
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marsh FlatsMarsh Flats
- 1 Mathas, Fiend SeekerMathas, Fiend Seeker
- 1 Mind StoneMind Stone
- 1 Mind TwistMind Twist
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mithril CoatMithril Coat
- 1 Morbid OpportunistMorbid Opportunist
- 1 Mother of RunesMother of Runes
- 1 Needleverge PathwayNeedleverge Pathway
- 1 Night's WhisperNight's Whisper
- 1 Nomad OutpostNomad Outpost
- 1 Ojer Axonil, Deepest MightOjer Axonil, Deepest Might
- 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
- 1 PlainsPlains
- 1 PlateauPlateau
- 1 Plaza of HeroesPlaza of Heroes
- 1 Price of GloryPrice of Glory
- 1 Protection RacketProtection Racket
- 1 Read the BonesRead the Bones
- 1 Reliquary TowerReliquary Tower
- 1 Rune of MortalityRune of Mortality
- 1 Sacred FoundrySacred Foundry
- 1 ScrublandScrubland
- 1 ShadowspearShadowspear
- 1 Shay CormacShay Cormac
- 1 Sigarda's AidSigarda's Aid
- 1 Sol RingSol Ring
- 1 Steelshaper's GiftSteelshaper's Gift
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Sundown PassSundown Pass
- 1 Sunhome, Fortress of the LegionSunhome, Fortress of the Legion
- 2 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Tainted FieldTainted Field
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 Talisman of IndulgenceTalisman of Indulgence
- 1 Termination FacilitatorTermination Facilitator
- 1 Thermo-AlchemistThermo-Alchemist
- 1 Thornbite StaffThornbite Staff
- 1 Thought VesselThought Vessel
- 1 Torbran, Thane of Red FellTorbran, Thane of Red Fell
- 1 Unexpected WindfallUnexpected Windfall
- 1 Urborg, Tomb of YawgmothUrborg, Tomb of Yawgmoth
- 1 Urza's SagaUrza's Saga
- 1 Verdant CatacombsVerdant Catacombs
- 1 Vorpal SwordVorpal Sword
- 1 Wear // TearWear // Tear
- 1 Wooded FoothillsWooded Foothills
Cloud, Midgar Mercenary
Cloud, Midgar Mercenary
Cunning Sparkmage
Cunning Sparkmage
General's Enforcer
General's Enforcer
Kalemne, Disciple of Iroas
Kalemne, Disciple of Iroas
Lae'zel, Vlaakith's Champion
Lae'zel, Vlaakith's Champion
Magda, the Hoardmaster
Magda, the Hoardmaster
Maha, Its Feathers Night
Maha, Its Feathers Night
Mari, the Killing Quill
Mari, the Killing Quill
Mathas, Fiend Seeker
Mathas, Fiend Seeker
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Mother of Runes
Mother of Runes
Ojer Axonil, Deepest Might
Ojer Axonil, Deepest Might
Otharri, Suns' Glory
Otharri, Suns' Glory
Shay Cormac
Shay Cormac
Termination Facilitator
Termination Facilitator
Thermo-Alchemist
Thermo-Alchemist
Torbran, Thane of Red Fell
Torbran, Thane of Red Fell
Instants (7)
Abstruse Appropriation
Abstruse Appropriation
Anguished Unmaking
Anguished Unmaking
Big Score
Big Score
Deflecting Swat
Deflecting Swat
Enlightened Tutor
Enlightened Tutor
Unexpected Windfall
Unexpected Windfall
Wear // Tear
Wear // Tear
Sorceries (8)
Demonic Tutor
Demonic Tutor
Grim Tutor
Grim Tutor
Hymn of the Faller
Hymn of the Faller
Mind Twist
Mind Twist
Night's Whisper
Night's Whisper
Painful Truths
Painful Truths
Read the Bones
Read the Bones
Steelshaper's Gift
Steelshaper's Gift
Artifacts (22)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Dragonfire Blade
Dragonfire Blade
Fellwar Stone
Fellwar Stone
Gorgon Flail
Gorgon Flail
Hammer of Nazahn
Hammer of Nazahn
Hunter's Blowgun
Hunter's Blowgun
Liquimetal Torque
Liquimetal Torque
Mind Stone
Mind Stone
Mithril Coat
Mithril Coat
Orzhov Signet
Orzhov Signet
Patriar's Seal
Patriar's Seal
Shadowspear
Shadowspear
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
Thought Vessel
Thought Vessel
Vorpal Sword
Vorpal Sword
Enchantments (10)
Aspect of Gorgon
Aspect of Gorgon
Burning Sands
Burning Sands
Fighter Class
Fighter Class
Gift of Immortality
Gift of Immortality
Grasp of Fate
Grasp of Fate
Kaya's Ghostform
Kaya's Ghostform
Price of Glory
Price of Glory
Protection Racket
Protection Racket
Rune of Mortality
Rune of Mortality
Sigarda's Aid
Sigarda's Aid
Lands (31)
Arcane Lighthouse
Arcane Lighthouse
Arena of Glory
Arena of Glory
Arid Mesa
Arid Mesa
Badlands
Badlands
Battlefield Forge
Battlefield Forge
Blood Crypt
Blood Crypt
Caves of Koilos
Caves of Koilos
Command Tower
Command Tower
Detection Tower
Detection Tower
Dragonskull Summit
Dragonskull Summit
Ghost Quarter
Ghost Quarter
Godless Shrine
Godless Shrine
Graven Cairns
Graven Cairns
Isolated Chapel
Isolated Chapel
Luxury Suite
Luxury Suite
Marsh Flats
Marsh Flats
Needleverge Pathway
Needleverge Pathway
Nomad Outpost
Nomad Outpost
Path of Ancestry
Path of Ancestry
Plateau
Plateau
Plaza of Heroes
Plaza of Heroes
Reliquary Tower
Reliquary Tower
Sacred Foundry
Sacred Foundry
Scrubland
Scrubland
Sundown Pass
Sundown Pass
Sunhome, Fortress of the Legion
Sunhome, Fortress of the Legion
Tainted Field
Tainted Field
Urborg, Tomb of Yawgmoth
Urborg, Tomb of Yawgmoth
Urza's Saga
Urza's Saga
Verdant Catacombs
Verdant Catacombs
Wooded Foothills
Wooded Foothills
Basics (2)
Plains
1 Plains
Swamp
2 Swamps