Average Deck for Altaïr, Brotherhood Mentor - Legends
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #462
21decks
Jun 19, 2026
Which Commander Themes Still Don't Have a Precon?
There will be close to 200 precons by the time the year's done, but there's still so much ground to cover, as Ciel identifies the themes in need.
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.
Decklist
Commander
- 1Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Creatures (25)
- 1Akiri, Fearless VoyagerAkiri, Fearless Voyager
- 1Archetype of FinalityArchetype of Finality
- 1Daxos the ReturnedDaxos the Returned
- 1DrumbellowerDrumbellower
- 1Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1General's EnforcerGeneral's Enforcer
- 1Humble DefectorHumble Defector
- 1Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1Magda, the HoardmasterMagda, the Hoardmaster
- 1Maha, Its Feathers NightMaha, Its Feathers Night
- 1Mari, the Killing QuillMari, the Killing Quill
- 1Marvin, Murderous MimicMarvin, Murderous Mimic
- 1Minthara, Merciless SoulMinthara, Merciless Soul
- 1Morbid OpportunistMorbid Opportunist
- 1Otharri, Suns' GloryOtharri, Suns' Glory
- 1Puresteel PaladinPuresteel Paladin
- 1Shay CormacShay Cormac
- 1Slaughter SpecialistSlaughter Specialist
- 1Sram, Senior EdificerSram, Senior Edificer
- 1Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1Termination FacilitatorTermination Facilitator
- 1White Plume AdventurerWhite Plume Adventurer
- 1Zagras, Thief of HeartbeatsZagras, Thief of Heartbeats
Instants (8)
- 1Anguished UnmakingAnguished Unmaking
- 1Boros CharmBoros Charm
- 1Crackling DoomCrackling Doom
- 1FractureFracture
- 1Mirrodin AvengedMirrodin Avenged
- 1Path to ExilePath to Exile
- 1Stroke of MidnightStroke of Midnight
- 1You Are Already DeadYou Are Already Dead
Sorceries (5)
- 1Blasphemous ActBlasphemous Act
- 1Borrowed KnowledgeBorrowed Knowledge
- 1Open the ArmoryOpen the Armory
- 1Ruinous UltimatumRuinous Ultimatum
- 1Steelshaper's GiftSteelshaper's Gift
Artifacts (17)
- 1Arcane SignetArcane Signet
- 1Basilisk CollarBasilisk Collar
- 1Boros SignetBoros Signet
- 1Brotherhood RegaliaBrotherhood Regalia
- 1Commander's SphereCommander's Sphere
- 1Gorgon's HeadGorgon's Head
- 1Illusionist's BracersIllusionist's Bracers
- 1Magewright's StoneMagewright's Stone
- 1Patriar's SealPatriar's Seal
- 1Quietus SpikeQuietus Spike
- 1ShadowspearShadowspear
- 1Sol RingSol Ring
- 1Sting, the Glinting DaggerSting, the Glinting Dagger
- 1Swiftfoot BootsSwiftfoot Boots
- 1Thornbite StaffThornbite Staff
- 1Thousand-Year ElixirThousand-Year Elixir
- 1Vorpal SwordVorpal Sword
Enchantments (9)
- 1Agent of the Shadow ThievesAgent of the Shadow Thieves
- 1All-Out AssaultAll-Out Assault
- 1Aspect of GorgonAspect of Gorgon
- 1Black Market ConnectionsBlack Market Connections
- 1Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1Fighter ClassFighter Class
- 1Gift of DoomGift of Doom
- 1Phyrexian ArenaPhyrexian Arena
- 1Rune of MortalityRune of Mortality
Planeswalker (1)
- 1Dihada, Binder of WillsDihada, Binder of Wills
Lands (34)
- 1Battlefield ForgeBattlefield Forge
- 1Blood CryptBlood Crypt
- 1Bojuka BogBojuka Bog
- 1Caves of KoilosCaves of Koilos
- 1Clifftop RetreatClifftop Retreat
- 1Command TowerCommand Tower
- 1Dragonskull SummitDragonskull Summit
- 1Evolving WildsEvolving Wilds
- 1Exotic OrchardExotic Orchard
- 1Godless ShrineGodless Shrine
- 1Isolated ChapelIsolated Chapel
- 4MountainMountain
- 1Nomad OutpostNomad Outpost
- 4PlainsPlains
- 1Rogue's PassageRogue's Passage
- 1Sacred FoundrySacred Foundry
- 1Savai TriomeSavai Triome
- 1Shadowblood RidgeShadowblood Ridge
- 1Shattered SanctumShattered Sanctum
- 1Smoldering MarshSmoldering Marsh
- 1Sulfurous SpringsSulfurous Springs
- 1Sundown PassSundown Pass
- 5SwampSwamp
- 1Vault of the ArchangelVault of the Archangel
Akiri, Fearless Voyager
Akiri, Fearless Voyager
Archetype of Finality
Archetype of Finality
Daxos the Returned
Daxos the Returned
Drumbellower
Drumbellower
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Humble Defector
Humble Defector
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
Marvin, Murderous Mimic
Marvin, Murderous Mimic
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Puresteel Paladin
Puresteel Paladin
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Sram, Senior Edificer
Sram, Senior Edificer
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Termination Facilitator
Termination Facilitator
White Plume Adventurer
White Plume Adventurer
Zagras, Thief of Heartbeats
Zagras, Thief of Heartbeats
Instants (8)
Anguished Unmaking
Anguished Unmaking
Boros Charm
Boros Charm
Crackling Doom
Crackling Doom
Fracture
Fracture
Mirrodin Avenged
Mirrodin Avenged
Path to Exile
Path to Exile
Stroke of Midnight
Stroke of Midnight
You Are Already Dead
You Are Already Dead
Sorceries (5)
Blasphemous Act
Blasphemous Act
Borrowed Knowledge
Borrowed Knowledge
Open the Armory
Open the Armory
Ruinous Ultimatum
Ruinous Ultimatum
Steelshaper's Gift
Steelshaper's Gift
Artifacts (17)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Brotherhood Regalia
Brotherhood Regalia
Commander's Sphere
Commander's Sphere
Gorgon's Head
Gorgon's Head
Illusionist's Bracers
Illusionist's Bracers
Magewright's Stone
Magewright's Stone
Patriar's Seal
Patriar's Seal
Quietus Spike
Quietus Spike
Shadowspear
Shadowspear
Sol Ring
Sol Ring
Sting, the Glinting Dagger
Sting, the Glinting Dagger
Swiftfoot Boots
Swiftfoot Boots
Thornbite Staff
Thornbite Staff
Thousand-Year Elixir
Thousand-Year Elixir
Vorpal Sword
Vorpal Sword
Enchantments (9)
Agent of the Shadow Thieves
Agent of the Shadow Thieves
All-Out Assault
All-Out Assault
Aspect of Gorgon
Aspect of Gorgon
Black Market Connections
Black Market Connections
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Fighter Class
Fighter Class
Gift of Doom
Gift of Doom
Phyrexian Arena
Phyrexian Arena
Rune of Mortality
Rune of Mortality
Planeswalkers (1)
Dihada, Binder of Wills
Dihada, Binder of Wills
Lands (21)
Battlefield Forge
Battlefield Forge
Blood Crypt
Blood Crypt
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
Godless Shrine
Godless Shrine
Isolated Chapel
Isolated Chapel
Nomad Outpost
Nomad Outpost
Rogue's Passage
Rogue's Passage
Sacred Foundry
Sacred Foundry
Savai Triome
Savai Triome
Shadowblood Ridge
Shadowblood Ridge
Shattered Sanctum
Shattered Sanctum
Smoldering Marsh
Smoldering Marsh
Sulfurous Springs
Sulfurous Springs
Sundown Pass
Sundown Pass
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
4 Mountain
Plains
4 Plains
Swamp
5 Swamp