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Average Deck for Altaïr, Brotherhood Mentor - Budget Upgraded Control
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #385
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 Akroan HorseAkroan Horse
- 1 Arcane LighthouseArcane Lighthouse
- 1 Arcane SignetArcane Signet
- 1 Aspect of GorgonAspect of Gorgon
- 1 Assassin's InkAssassin's Ink
- 1 Bandit's HaulBandit's Haul
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Battlemage's BracersBattlemage's Bracers
- 1 Boros CharmBoros Charm
- 1 Caves of KoilosCaves of Koilos
- 1 Chaos WarpChaos Warp
- 1 Danitha, Benalia's HopeDanitha, Benalia's Hope
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 Deadly DisputeDeadly Dispute
- 1 Death Pits of RathDeath Pits of Rath
- 1 Deathbringer ThoctarDeathbringer Thoctar
- 1 Desolate MireDesolate Mire
- 1 Detection TowerDetection Tower
- 1 Expedition MapExpedition Map
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fellwar StoneFellwar Stone
- 1 Fighter ClassFighter Class
- 1 Foreboding RuinsForeboding Ruins
- 1 Furycalm SnarlFurycalm Snarl
- 1 General's EnforcerGeneral's Enforcer
- 1 Gift of DoomGift of Doom
- 1 Glaring SpotlightGlaring Spotlight
- 1 Gorgon FlailGorgon Flail
- 1 Harvester of SoulsHarvester of Souls
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Imp's MischiefImp's Mischief
- 1 Loran's EscapeLoran's Escape
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marvin, Murderous MimicMarvin, Murderous Mimic
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Morbid OpportunistMorbid Opportunist
- 1 Mother of RunesMother of Runes
- 8 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Night's WhisperNight's Whisper
- 1 Nomad OutpostNomad Outpost
- 1 Ob Nixilis ReignitedOb Nixilis Reignited
- 1 Orzhov SignetOrzhov Signet
- 1 Painful TruthsPainful Truths
- 1 Parting GustParting Gust
- 8 PlainsPlains
- 1 Read the BonesRead the Bones
- 1 Reflecting PoolReflecting Pool
- 1 Retreat to HagraRetreat to Hagra
- 1 Rune of MortalityRune of Mortality
- 1 Shadowblood RidgeShadowblood Ridge
- 1 Shattered LandscapeShattered Landscape
- 1 Shay CormacShay Cormac
- 1 Sheltered by GhostsSheltered by Ghosts
- 1 Single CombatSingle Combat
- 1 Slaughter SpecialistSlaughter Specialist
- 1 Soul PartitionSoul Partition
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Sun TitanSun Titan
- 8 SwampSwamp
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 Temple of MaliceTemple of Malice
- 1 Temple of TriumphTemple of Triumph
- 1 TerminateTerminate
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Thornbite StaffThornbite Staff
- 1 Thrill of PossibilityThrill of Possibility
- 1 Torbran, Thane of Red FellTorbran, Thane of Red Fell
- 1 Tragic ArroganceTragic Arrogance
- 1 UnearthUnearth
- 1 Unfinished BusinessUnfinished Business
- 1 Void BeckonerVoid Beckoner
- 1 Vorpal SwordVorpal Sword
- 1 Whispersilk CloakWhispersilk Cloak
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 Zagras, Thief of HeartbeatsZagras, Thief of Heartbeats
Akroan Horse
Akroan Horse
Danitha, Benalia's Hope
Danitha, Benalia's Hope
Deathbringer Thoctar
Deathbringer Thoctar
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Harvester of Souls
Harvester of Souls
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
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Sun Titan
Sun Titan
Torbran, Thane of Red Fell
Torbran, Thane of Red Fell
Void Beckoner
Void Beckoner
White Plume Adventurer
White Plume Adventurer
Zagras, Thief of Heartbeats
Zagras, Thief of Heartbeats
Instants (10)
Assassin's Ink
Assassin's Ink
Boros Charm
Boros Charm
Chaos Warp
Chaos Warp
Deadly Dispute
Deadly Dispute
Imp's Mischief
Imp's Mischief
Loran's Escape
Loran's Escape
Parting Gust
Parting Gust
Soul Partition
Soul Partition
Terminate
Terminate
Thrill of Possibility
Thrill of Possibility
Sorceries (8)
Mythos of Snapdax
Mythos of Snapdax
Night's Whisper
Night's Whisper
Painful Truths
Painful Truths
Read the Bones
Read the Bones
Single Combat
Single Combat
Tragic Arrogance
Tragic Arrogance
Unearth
Unearth
Unfinished Business
Unfinished Business
Artifacts (16)
Arcane Signet
Arcane Signet
Bandit's Haul
Bandit's Haul
Basilisk Collar
Basilisk Collar
Battlemage's Bracers
Battlemage's Bracers
Expedition Map
Expedition Map
Fellwar Stone
Fellwar Stone
Glaring Spotlight
Glaring Spotlight
Gorgon Flail
Gorgon Flail
Hunter's Blowgun
Hunter's Blowgun
Orzhov Signet
Orzhov Signet
Sting, the Glinting Dagger
Sting, the Glinting Dagger
Talisman of Conviction
Talisman of Conviction
Talisman of Hierarchy
Talisman of Hierarchy
Thornbite Staff
Thornbite Staff
Vorpal Sword
Vorpal Sword
Whispersilk Cloak
Whispersilk Cloak
Enchantments (8)
Aspect of Gorgon
Aspect of Gorgon
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Death Pits of Rath
Death Pits of Rath
Fighter Class
Fighter Class
Gift of Doom
Gift of Doom
Retreat to Hagra
Retreat to Hagra
Rune of Mortality
Rune of Mortality
Sheltered by Ghosts
Sheltered by Ghosts
Planeswalkers (1)
Ob Nixilis Reignited
Ob Nixilis Reignited
Lands (14)
Arcane Lighthouse
Arcane Lighthouse
Battlefield Forge
Battlefield Forge
Caves of Koilos
Caves of Koilos
Desolate Mire
Desolate Mire
Detection Tower
Detection Tower
Foreboding Ruins
Foreboding Ruins
Furycalm Snarl
Furycalm Snarl
Nomad Outpost
Nomad Outpost
Reflecting Pool
Reflecting Pool
Shadowblood Ridge
Shadowblood Ridge
Shattered Landscape
Shattered Landscape
Temple of Malice
Temple of Malice
Temple of Triumph
Temple of Triumph
Terramorphic Expanse
Terramorphic Expanse
Basics (3)
Mountain
8 Mountains
Plains
8 Plains
Swamp
8 Swamps