Average Deck for Altaïr, Brotherhood Mentor - Budget Control
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #415
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 Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
- 1 All-Out AssaultAll-Out Assault
- 1 Arcane SignetArcane Signet
- 1 Archetype of FinalityArchetype of Finality
- 1 At KnifepointAt Knifepoint
- 1 Austere CommandAustere Command
- 1 Bandit's HaulBandit's Haul
- 1 Basilisk CollarBasilisk Collar
- 1 Battle-Rage BlessingBattle-Rage Blessing
- 1 Battlefield ForgeBattlefield Forge
- 1 BladebrandBladebrand
- 1 Blood CultistBlood Cultist
- 1 Bojuka BogBojuka Bog
- 1 Boros SignetBoros Signet
- 1 Caves of KoilosCaves of Koilos
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Cunning SparkmageCunning Sparkmage
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 Deathbringer ThoctarDeathbringer Thoctar
- 1 DesparkDespark
- 1 Dragonskull SummitDragonskull Summit
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fellwar StoneFellwar Stone
- 1 General's EnforcerGeneral's Enforcer
- 1 Generous GiftGenerous Gift
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Grave BetrayalGrave Betrayal
- 1 Harvester of SoulsHarvester of Souls
- 1 Humble DefectorHumble Defector
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Isolated ChapelIsolated Chapel
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Mathas, Fiend SeekerMathas, Fiend Seeker
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 5 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Night's WhisperNight's Whisper
- 1 Nomad OutpostNomad Outpost
- 1 Offer ImmortalityOffer Immortality
- 1 Orzhov BasilicaOrzhov Basilica
- 1 Orzhov SignetOrzhov Signet
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Path of AncestryPath of Ancestry
- 6 PlainsPlains
- 1 Queen MarchesaQueen Marchesa
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos IckspitterRakdos Ickspitter
- 1 Rakdos SignetRakdos Signet
- 1 Rogue's PassageRogue's Passage
- 1 Rune of MortalityRune of Mortality
- 1 Shattered LandscapeShattered Landscape
- 1 Shay CormacShay Cormac
- 1 Sign in BloodSign in Blood
- 1 Single CombatSingle Combat
- 1 Slaughter SpecialistSlaughter Specialist
- 1 Smoldering MarshSmoldering Marsh
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stroke of MidnightStroke of Midnight
- 6 SwampSwamp
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Temple of MaliceTemple of Malice
- 1 Temple of SilenceTemple of Silence
- 1 Temple of TriumphTemple of Triumph
- 1 Termination FacilitatorTermination Facilitator
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 UnearthUnearth
- 1 VandalblastVandalblast
- 1 Vault of the ArchangelVault of the Archangel
- 1 Virulent SwipeVirulent Swipe
- 1 Void BeckonerVoid Beckoner
- 1 Vorpal SwordVorpal Sword
- 1 Wear // TearWear // Tear
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 You Are Already DeadYou Are Already Dead
Archetype of Finality
Archetype of Finality
Blood Cultist
Blood Cultist
Cunning Sparkmage
Cunning Sparkmage
Deathbringer Thoctar
Deathbringer Thoctar
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Harvester of Souls
Harvester of Souls
Humble Defector
Humble Defector
Magda, the Hoardmaster
Magda, the Hoardmaster
Mari, the Killing Quill
Mari, the Killing Quill
Mathas, Fiend Seeker
Mathas, Fiend Seeker
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Queen Marchesa
Queen Marchesa
Rakdos Ickspitter
Rakdos Ickspitter
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Termination Facilitator
Termination Facilitator
Void Beckoner
Void Beckoner
White Plume Adventurer
White Plume Adventurer
Instants (12)
Battle-Rage Blessing
Battle-Rage Blessing
Bladebrand
Bladebrand
Crackling Doom
Crackling Doom
Despark
Despark
Generous Gift
Generous Gift
Mirrodin Avenged
Mirrodin Avenged
Mortify
Mortify
Offer Immortality
Offer Immortality
Stroke of Midnight
Stroke of Midnight
Virulent Swipe
Virulent Swipe
Wear // Tear
Wear // Tear
You Are Already Dead
You Are Already Dead
Sorceries (8)
Austere Command
Austere Command
Mythos of Snapdax
Mythos of Snapdax
Night's Whisper
Night's Whisper
Painful Truths
Painful Truths
Sign in Blood
Sign in Blood
Single Combat
Single Combat
Unearth
Unearth
Vandalblast
Vandalblast
Artifacts (14)
Arcane Signet
Arcane Signet
Bandit's Haul
Bandit's Haul
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Fellwar Stone
Fellwar Stone
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
Hunter's Blowgun
Hunter's Blowgun
Orzhov Signet
Orzhov Signet
Quietus Spike
Quietus Spike
Rakdos Signet
Rakdos Signet
Sting, the Glinting Dagger
Sting, the Glinting Dagger
Talisman of Conviction
Talisman of Conviction
Vorpal Sword
Vorpal Sword
Enchantments (5)
All-Out Assault
All-Out Assault
At Knifepoint
At Knifepoint
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Grave Betrayal
Grave Betrayal
Rune of Mortality
Rune of Mortality
Lands (20)
Battlefield Forge
Battlefield Forge
Bojuka Bog
Bojuka Bog
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Dragonskull Summit
Dragonskull Summit
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Isolated Chapel
Isolated Chapel
Nomad Outpost
Nomad Outpost
Orzhov Basilica
Orzhov Basilica
Path of Ancestry
Path of Ancestry
Rogue's Passage
Rogue's Passage
Shattered Landscape
Shattered Landscape
Smoldering Marsh
Smoldering Marsh
Temple of Malice
Temple of Malice
Temple of Silence
Temple of Silence
Temple of Triumph
Temple of Triumph
Terramorphic Expanse
Terramorphic Expanse
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
5 Mountains
Plains
6 Plains
Swamp
6 Swamps