Average Deck for Kelsien, the Plague - Treasure
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #386
66decks

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 Kelsien, the PlagueKelsien, the Plague
- 1 Anguished UnmakingAnguished Unmaking
- 1 Arcane SignetArcane Signet
- 1 Arid MesaArid Mesa
- 1 At KnifepointAt Knifepoint
- 1 Athreos, Shroud-VeiledAthreos, Shroud-Veiled
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Black Market ConnectionsBlack Market Connections
- 1 Blood CryptBlood Crypt
- 1 Bloodstained MireBloodstained Mire
- 1 Boros CharmBoros Charm
- 1 Bounty BoardBounty Board
- 1 Caves of KoilosCaves of Koilos
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Dawn's TruceDawn's Truce
- 1 Daxos the ReturnedDaxos the Returned
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 Deflecting SwatDeflecting Swat
- 1 Demonic TutorDemonic Tutor
- 1 Dragonskull SummitDragonskull Summit
- 1 DrumbellowerDrumbellower
- 1 Enlightened TutorEnlightened Tutor
- 1 Esper SentinelEsper Sentinel
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Flawless ManeuverFlawless Maneuver
- 1 Forbidden OrchardForbidden Orchard
- 1 Forging the Tyrite SwordForging the Tyrite Sword
- 1 General's EnforcerGeneral's Enforcer
- 1 Generous GiftGenerous Gift
- 1 Gift of DoomGift of Doom
- 1 Godless ShrineGodless Shrine
- 1 Gorgon's HeadGorgon's Head
- 1 Isolated ChapelIsolated Chapel
- 1 Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Lotho, Corrupt ShirriffLotho, Corrupt Shirriff
- 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 Marvin, Murderous MimicMarvin, Murderous Mimic
- 1 Mathas, Fiend SeekerMathas, Fiend Seeker
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Morbid OpportunistMorbid Opportunist
- 4 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Orzhov SignetOrzhov Signet
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Patriar's SealPatriar's Seal
- 1 Phantom TrainPhantom Train
- 4 PlainsPlains
- 1 Professional Face-BreakerProfessional Face-Breaker
- 1 Revel in RichesRevel in Riches
- 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 Sevinne's ReclamationSevinne's Reclamation
- 1 ShadowspearShadowspear
- 1 Shay CormacShay Cormac
- 1 Smothering TitheSmothering Tithe
- 1 Snow-Covered SwampSnow-Covered Swamp
- 1 Sol RingSol Ring
- 1 Spectator SeatingSpectator Seating
- 1 Spiteful BanditrySpiteful Banditry
- 1 Starting TownStarting Town
- 1 Steelshaper's GiftSteelshaper's Gift
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 4 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 Termination FacilitatorTermination Facilitator
- 1 Thornbite StaffThornbite Staff
- 1 Umbral Collar ZealotUmbral Collar Zealot
- 1 Vault of ChampionsVault of Champions
- 1 Vault of the ArchangelVault of the Archangel
- 1 Vorpal SwordVorpal Sword
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 Witch EnchanterWitch Enchanter
- 1 You Are Already DeadYou Are Already Dead
Athreos, Shroud-Veiled
Athreos, Shroud-Veiled
Daxos the Returned
Daxos the Returned
Drumbellower
Drumbellower
Esper Sentinel
Esper Sentinel
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
General's Enforcer
General's Enforcer
Kalemne, Disciple of Iroas
Kalemne, Disciple of Iroas
Lae'zel, Vlaakith's Champion
Lae'zel, Vlaakith's Champion
Lotho, Corrupt Shirriff
Lotho, Corrupt Shirriff
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
Marvin, Murderous Mimic
Marvin, Murderous Mimic
Mathas, Fiend Seeker
Mathas, Fiend Seeker
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Professional Face-Breaker
Professional Face-Breaker
Shay Cormac
Shay Cormac
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
Termination Facilitator
Termination Facilitator
Umbral Collar Zealot
Umbral Collar Zealot
White Plume Adventurer
White Plume Adventurer
Witch Enchanter
Witch Enchanter
Instants (9)
Anguished Unmaking
Anguished Unmaking
Boros Charm
Boros Charm
Dawn's Truce
Dawn's Truce
Deflecting Swat
Deflecting Swat
Enlightened Tutor
Enlightened Tutor
Flawless Maneuver
Flawless Maneuver
Generous Gift
Generous Gift
Swords to Plowshares
Swords to Plowshares
You Are Already Dead
You Are Already Dead
Sorceries (6)
Demonic Tutor
Demonic Tutor
Mythos of Snapdax
Mythos of Snapdax
Open the Armory
Open the Armory
Ruinous Ultimatum
Ruinous Ultimatum
Sevinne's Reclamation
Sevinne's Reclamation
Steelshaper's Gift
Steelshaper's Gift
Artifacts (15)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Bounty Board
Bounty Board
Gorgon's Head
Gorgon's Head
Orzhov Signet
Orzhov Signet
Patriar's Seal
Patriar's Seal
Phantom Train
Phantom Train
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 (9)
At Knifepoint
At Knifepoint
Black Market Connections
Black Market Connections
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Forging the Tyrite Sword
Forging the Tyrite Sword
Gift of Doom
Gift of Doom
Revel in Riches
Revel in Riches
Rune of Mortality
Rune of Mortality
Smothering Tithe
Smothering Tithe
Spiteful Banditry
Spiteful Banditry
Lands (22)
Arid Mesa
Arid Mesa
Battlefield Forge
Battlefield Forge
Blood Crypt
Blood Crypt
Bloodstained Mire
Bloodstained Mire
Caves of Koilos
Caves of Koilos
Clifftop Retreat
Clifftop Retreat
Command Tower
Command Tower
Dragonskull Summit
Dragonskull Summit
Exotic Orchard
Exotic Orchard
Forbidden Orchard
Forbidden Orchard
Godless Shrine
Godless Shrine
Isolated Chapel
Isolated Chapel
Luxury Suite
Luxury Suite
Marsh Flats
Marsh Flats
Nomad Outpost
Nomad Outpost
Rogue's Passage
Rogue's Passage
Sacred Foundry
Sacred Foundry
Savai Triome
Savai Triome
Spectator Seating
Spectator Seating
Starting Town
Starting Town
Vault of Champions
Vault of Champions
Vault of the Archangel
Vault of the Archangel
Basics (4)
Mountain
4 Mountains
Plains
4 Plains
Snow-Covered Swamp
1 Snow-Covered Swamp
Swamp
4 Swamps