Average Deck for Altaïr, Brotherhood Mentor - Aggro
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #386
42decks

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 Akiri, Fearless VoyagerAkiri, Fearless Voyager
- 1 All-Out AssaultAll-Out Assault
- 1 Anguished UnmakingAnguished Unmaking
- 1 Ankle ShankerAnkle Shanker
- 1 Arcane LighthouseArcane Lighthouse
- 1 Arcane SignetArcane Signet
- 1 Arid MesaArid Mesa
- 1 Aspect of GorgonAspect of Gorgon
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Blood CryptBlood Crypt
- 1 Boros CharmBoros Charm
- 1 Boros SignetBoros Signet
- 1 Call of the Death-DwellerCall of the Death-Dweller
- 1 Caves of KoilosCaves of Koilos
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Daxos the ReturnedDaxos the Returned
- 1 Dragonskull SummitDragonskull Summit
- 1 DrumbellowerDrumbellower
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fighter ClassFighter Class
- 1 Flawless ManeuverFlawless Maneuver
- 1 Forbidden OrchardForbidden Orchard
- 1 FractureFracture
- 1 General's EnforcerGeneral's Enforcer
- 1 Gift of DoomGift of Doom
- 1 Goblin SharpshooterGoblin Sharpshooter
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Humble DefectorHumble Defector
- 1 Isolated ChapelIsolated Chapel
- 1 Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Luxury SuiteLuxury Suite
- 1 Magewright's StoneMagewright's Stone
- 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 Mother of RunesMother of Runes
- 5 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Patriar's SealPatriar's Seal
- 4 PlainsPlains
- 1 Puresteel PaladinPuresteel Paladin
- 1 Queen MarchesaQueen Marchesa
- 1 Quietus SpikeQuietus Spike
- 1 Read the BonesRead the Bones
- 1 ReconnaissanceReconnaissance
- 1 Rogue's PassageRogue's Passage
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Sacred FoundrySacred Foundry
- 1 Savai TriomeSavai Triome
- 1 ShadowspearShadowspear
- 1 Shay CormacShay Cormac
- 1 Sigarda's AidSigarda's Aid
- 1 Slaughter SpecialistSlaughter Specialist
- 1 Smoldering MarshSmoldering Marsh
- 1 Sol RingSol Ring
- 1 Spectator SeatingSpectator Seating
- 1 Steelshaper's GiftSteelshaper's Gift
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stoneforge MysticStoneforge Mystic
- 1 Stroke of MidnightStroke of Midnight
- 1 Sulfurous SpringsSulfurous Springs
- 5 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 TerminateTerminate
- 1 Thornbite StaffThornbite Staff
- 1 Vault of the ArchangelVault of the Archangel
- 1 Vorpal SwordVorpal Sword
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 You Are Already DeadYou Are Already Dead
Akiri, Fearless Voyager
Akiri, Fearless Voyager
Ankle Shanker
Ankle Shanker
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
Goblin Sharpshooter
Goblin Sharpshooter
Humble Defector
Humble Defector
Kalemne, Disciple of Iroas
Kalemne, Disciple of Iroas
Lae'zel, Vlaakith's Champion
Lae'zel, Vlaakith's Champion
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
Otharri, Suns' Glory
Otharri, Suns' Glory
Puresteel Paladin
Puresteel Paladin
Queen Marchesa
Queen Marchesa
Shay Cormac
Shay Cormac
Slaughter Specialist
Slaughter Specialist
Stoneforge Mystic
Stoneforge Mystic
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
White Plume Adventurer
White Plume Adventurer
Instants (10)
Anguished Unmaking
Anguished Unmaking
Boros Charm
Boros Charm
Crackling Doom
Crackling Doom
Flawless Maneuver
Flawless Maneuver
Fracture
Fracture
Mirrodin Avenged
Mirrodin Avenged
Stroke of Midnight
Stroke of Midnight
Swords to Plowshares
Swords to Plowshares
Terminate
Terminate
You Are Already Dead
You Are Already Dead
Sorceries (7)
Call of the Death-Dweller
Call of the Death-Dweller
Mythos of Snapdax
Mythos of Snapdax
Open the Armory
Open the Armory
Painful Truths
Painful Truths
Read the Bones
Read the Bones
Ruinous Ultimatum
Ruinous Ultimatum
Steelshaper's Gift
Steelshaper's Gift
Artifacts (16)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
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
Talisman of Conviction
Talisman of Conviction
Talisman of Hierarchy
Talisman of Hierarchy
Thornbite Staff
Thornbite Staff
Vorpal Sword
Vorpal Sword
Enchantments (7)
All-Out Assault
All-Out Assault
Aspect of Gorgon
Aspect of Gorgon
Fighter Class
Fighter Class
Gift of Doom
Gift of Doom
Reconnaissance
Reconnaissance
Rune of Mortality
Rune of Mortality
Sigarda's Aid
Sigarda's Aid
Lands (21)
Arcane Lighthouse
Arcane Lighthouse
Arid Mesa
Arid Mesa
Battlefield Forge
Battlefield Forge
Blood Crypt
Blood Crypt
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
Forbidden Orchard
Forbidden Orchard
Isolated Chapel
Isolated Chapel
Luxury Suite
Luxury Suite
Nomad Outpost
Nomad Outpost
Rogue's Passage
Rogue's Passage
Sacred Foundry
Sacred Foundry
Savai Triome
Savai Triome
Smoldering Marsh
Smoldering Marsh
Spectator Seating
Spectator Seating
Sulfurous Springs
Sulfurous Springs
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
5 Mountains
Plains
4 Plains
Swamp
5 Swamps