Average Deck for Altaïr, Brotherhood Mentor - Expensive Commander Matters
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #423
1decks

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 Aetheric AmplifierAetheric Amplifier
- 1 Arcane LighthouseArcane Lighthouse
- 1 Arid MesaArid Mesa
- 1 BadlandsBadlands
- 1 Bandit's HaulBandit's Haul
- 1 Basilisk CollarBasilisk Collar
- 1 Battle-Rage BlessingBattle-Rage Blessing
- 1 Battlefield ForgeBattlefield Forge
- 1 Blood CryptBlood Crypt
- 1 Bloodstained MireBloodstained Mire
- 1 Bojuka BogBojuka Bog
- 1 Brotherhood RegaliaBrotherhood Regalia
- 1 Bureau HeadmasterBureau Headmaster
- 1 Buried RuinBuried Ruin
- 1 Caves of KoilosCaves of Koilos
- 1 Chandra's IgnitionChandra's Ignition
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Daxos the ReturnedDaxos the Returned
- 1 Deflecting SwatDeflecting Swat
- 1 Demonic TutorDemonic Tutor
- 1 Dragonskull SummitDragonskull Summit
- 1 DrumbellowerDrumbellower
- 1 EmbercleaveEmbercleave
- 1 Enlightened TutorEnlightened Tutor
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fetid HeathFetid Heath
- 1 Fighter ClassFighter Class
- 1 Flawless ManeuverFlawless Maneuver
- 1 Forbidden OrchardForbidden Orchard
- 1 FractureFracture
- 1 Gift of DoomGift of Doom
- 1 Goblin SharpshooterGoblin Sharpshooter
- 1 Godless ShrineGodless Shrine
- 1 Gorgon's HeadGorgon's Head
- 1 Hammer of NazahnHammer of Nazahn
- 1 Haunted RidgeHaunted Ridge
- 1 Humble DefectorHumble Defector
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Illusionist's BracersIllusionist's Bracers
- 1 Isolated ChapelIsolated Chapel
- 1 Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1 Kediss, Emberclaw FamiliarKediss, Emberclaw Familiar
- 1 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Luxury SuiteLuxury Suite
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Maha, Its Feathers NightMaha, Its Feathers Night
- 1 Mahadi, Emporium MasterMahadi, Emporium Master
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marsh FlatsMarsh Flats
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mithril CoatMithril Coat
- 1 Mother of RunesMother of Runes
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Orcish BowmastersOrcish Bowmasters
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Patriar's SealPatriar's Seal
- 1 Phyrexian ArenaPhyrexian Arena
- 1 PlateauPlateau
- 1 Puresteel PaladinPuresteel Paladin
- 1 Quietus SpikeQuietus Spike
- 1 Revel in RichesRevel in Riches
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Sacred FoundrySacred Foundry
- 1 Savai TriomeSavai Triome
- 1 ScrublandScrubland
- 1 Sevinne's ReclamationSevinne's Reclamation
- 1 ShadowspearShadowspear
- 1 Shattered SanctumShattered Sanctum
- 1 Shay CormacShay Cormac
- 1 Shizo, Death's StorehouseShizo, Death's Storehouse
- 1 Sigarda's AidSigarda's Aid
- 1 Smoldering MarshSmoldering Marsh
- 1 Smothering TitheSmothering Tithe
- 1 Sol RingSol Ring
- 1 Spectator SeatingSpectator Seating
- 1 Sram, Senior EdificerSram, Senior Edificer
- 1 Steelshaper's GiftSteelshaper's Gift
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stoneforge MysticStoneforge Mystic
- 1 Sundown PassSundown Pass
- 1 Sunhome, Fortress of the LegionSunhome, Fortress of the Legion
- 1 Sword of Feast and FamineSword of Feast and Famine
- 1 Sword of Truth and JusticeSword of Truth and Justice
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Temple of MaliceTemple of Malice
- 1 Termination FacilitatorTermination Facilitator
- 1 Thornbite StaffThornbite Staff
- 1 Thousand-Year ElixirThousand-Year Elixir
- 1 Urza's SagaUrza's Saga
- 1 Vault of ChampionsVault of Champions
- 1 Vault of the ArchangelVault of the Archangel
- 1 Vorpal SwordVorpal Sword
- 1 Whispersilk CloakWhispersilk Cloak
- 1 White Plume AdventurerWhite Plume Adventurer
Bureau Headmaster
Bureau Headmaster
Daxos the Returned
Daxos the Returned
Drumbellower
Drumbellower
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
Goblin Sharpshooter
Goblin Sharpshooter
Humble Defector
Humble Defector
Kalemne, Disciple of Iroas
Kalemne, Disciple of Iroas
Kediss, Emberclaw Familiar
Kediss, Emberclaw Familiar
Lae'zel, Vlaakith's Champion
Lae'zel, Vlaakith's Champion
Magda, the Hoardmaster
Magda, the Hoardmaster
Mahadi, Emporium Master
Mahadi, Emporium Master
Maha, Its Feathers Night
Maha, Its Feathers Night
Mari, the Killing Quill
Mari, the Killing Quill
Minthara, Merciless Soul
Minthara, Merciless Soul
Mother of Runes
Mother of Runes
Orcish Bowmasters
Orcish Bowmasters
Otharri, Suns' Glory
Otharri, Suns' Glory
Puresteel Paladin
Puresteel Paladin
Shay Cormac
Shay Cormac
Sram, Senior Edificer
Sram, Senior Edificer
Stoneforge Mystic
Stoneforge Mystic
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Termination Facilitator
Termination Facilitator
White Plume Adventurer
White Plume Adventurer
Instants (6)
Battle-Rage Blessing
Battle-Rage Blessing
Crackling Doom
Crackling Doom
Deflecting Swat
Deflecting Swat
Enlightened Tutor
Enlightened Tutor
Flawless Maneuver
Flawless Maneuver
Fracture
Fracture
Sorceries (6)
Chandra's Ignition
Chandra's Ignition
Demonic Tutor
Demonic Tutor
Open the Armory
Open the Armory
Ruinous Ultimatum
Ruinous Ultimatum
Sevinne's Reclamation
Sevinne's Reclamation
Steelshaper's Gift
Steelshaper's Gift
Artifacts (21)
Aetheric Amplifier
Aetheric Amplifier
Bandit's Haul
Bandit's Haul
Basilisk Collar
Basilisk Collar
Brotherhood Regalia
Brotherhood Regalia
Embercleave
Embercleave
Gorgon's Head
Gorgon's Head
Hammer of Nazahn
Hammer of Nazahn
Hunter's Blowgun
Hunter's Blowgun
Illusionist's Bracers
Illusionist's Bracers
Mithril Coat
Mithril Coat
Patriar's Seal
Patriar's Seal
Quietus Spike
Quietus Spike
Shadowspear
Shadowspear
Sol Ring
Sol Ring
Sting, the Glinting Dagger
Sting, the Glinting Dagger
Sword of Feast and Famine
Sword of Feast and Famine
Sword of Truth and Justice
Sword of Truth and Justice
Thornbite Staff
Thornbite Staff
Thousand-Year Elixir
Thousand-Year Elixir
Vorpal Sword
Vorpal Sword
Whispersilk Cloak
Whispersilk Cloak
Enchantments (7)
Fighter Class
Fighter Class
Gift of Doom
Gift of Doom
Phyrexian Arena
Phyrexian Arena
Revel in Riches
Revel in Riches
Rune of Mortality
Rune of Mortality
Sigarda's Aid
Sigarda's Aid
Smothering Tithe
Smothering Tithe
Lands (35)
Arcane Lighthouse
Arcane Lighthouse
Arid Mesa
Arid Mesa
Badlands
Badlands
Battlefield Forge
Battlefield Forge
Blood Crypt
Blood Crypt
Bloodstained Mire
Bloodstained Mire
Bojuka Bog
Bojuka Bog
Buried Ruin
Buried Ruin
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Dragonskull Summit
Dragonskull Summit
Exotic Orchard
Exotic Orchard
Fetid Heath
Fetid Heath
Forbidden Orchard
Forbidden Orchard
Godless Shrine
Godless Shrine
Haunted Ridge
Haunted Ridge
Isolated Chapel
Isolated Chapel
Luxury Suite
Luxury Suite
Marsh Flats
Marsh Flats
Nomad Outpost
Nomad Outpost
Plateau
Plateau
Sacred Foundry
Sacred Foundry
Savai Triome
Savai Triome
Scrubland
Scrubland
Shattered Sanctum
Shattered Sanctum
Shizo, Death's Storehouse
Shizo, Death's Storehouse
Smoldering Marsh
Smoldering Marsh
Spectator Seating
Spectator Seating
Sundown Pass
Sundown Pass
Sunhome, Fortress of the Legion
Sunhome, Fortress of the Legion
Temple of Malice
Temple of Malice
Urza's Saga
Urza's Saga
Vault of Champions
Vault of Champions
Vault of the Archangel
Vault of the Archangel