Average Deck for Kelsien, the Plague - Legends

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague

Rank #442

15decks

As Commander As Card Average Deck Decks View Precon

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Budget

Any $$$$

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

Julia Maddalena

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

Kelsien, the Plague

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Buy at TCGPlayer

Buy at Manapool

Playtest on Archidekt

- 1 Kelsien, the PlagueKelsien, the Plague
- 1 Agent of the Shadow ThievesAgent of the Shadow Thieves
- 1 All-Out AssaultAll-Out Assault
- 1 Arcane SignetArcane Signet
- 1 Archetype of FinalityArchetype of Finality
- 1 Aya of AlexandriaAya of Alexandria
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Black Market ConnectionsBlack Market Connections
- 1 Blasphemous ActBlasphemous Act
- 1 Blood CryptBlood Crypt
- 1 Bojuka BogBojuka Bog
- 1 Boros CharmBoros Charm
- 1 Boros SignetBoros Signet
- 1 Brilliant WingsBrilliant Wings
- 1 Brotherhood RegaliaBrotherhood Regalia
- 1 Caves of KoilosCaves of Koilos
- 1 Chromatic LanternChromatic Lantern
- 1 Clifftop RetreatClifftop Retreat
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Daxos the ReturnedDaxos the Returned
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 Dihada, Binder of WillsDihada, Binder of Wills
- 1 Dragonskull SummitDragonskull Summit
- 1 DrumbellowerDrumbellower
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Evolving WildsEvolving Wilds
- 1 Excalibur, Sword of EdenExcalibur, Sword of Eden
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Fighter ClassFighter Class
- 1 Flowering of the White TreeFlowering of the White Tree
- 1 General's EnforcerGeneral's Enforcer
- 1 Godless ShrineGodless Shrine
- 1 Gorgon's HeadGorgon's Head
- 1 Harvester of SoulsHarvester of Souls
- 1 Humble DefectorHumble Defector
- 1 Inevitable DefeatInevitable Defeat
- 1 Isolated ChapelIsolated Chapel
- 1 Joined ResearchersJoined Researchers
- 1 Kalemne, Disciple of IroasKalemne, Disciple of Iroas
- 1 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Lightning, Army of OneLightning, Army of One
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Magewright's StoneMagewright's Stone
- 1 Maha, Its Feathers NightMaha, Its Feathers Night
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marvin, Murderous MimicMarvin, Murderous Mimic
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Morbid OpportunistMorbid Opportunist
- 4 MountainMountain
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Path to ExilePath to Exile
- 1 Patriar's SealPatriar's Seal
- 5 PlainsPlains
- 1 Puresteel PaladinPuresteel Paladin
- 1 Rakdos SignetRakdos Signet
- 1 Rogue's PassageRogue's Passage
- 1 Royal AssassinRoyal Assassin
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Sacred FoundrySacred Foundry
- 1 Savai TriomeSavai Triome
- 1 ShadowspearShadowspear
- 1 Shanid, Sleepers' ScourgeShanid, Sleepers' Scourge
- 1 Shattered SanctumShattered Sanctum
- 1 Shay CormacShay Cormac
- 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
- 6 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 TerminateTerminate
- 1 Termination FacilitatorTermination Facilitator
- 1 Thousand-Year ElixirThousand-Year Elixir
- 1 Vault of ChampionsVault of Champions
- 1 Vault of the ArchangelVault of the Archangel
- 1 Vraska, Betrayal's StingVraska, Betrayal's Sting
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 You Are Already DeadYou Are Already Dead

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Archetype of Finality

Aya of Alexandria

Daxos the Returned

Drumbellower

Ertha Jo, Frontier Mentor

Falthis, Shadowcat Familiar

General's Enforcer

Harvester of Souls

Humble Defector

Joined Researchers

Kalemne, Disciple of Iroas

Lae'zel, Vlaakith's Champion

Lightning, Army of One

Magda, the Hoardmaster

Maha, Its Feathers Night

Mari, the Killing Quill

Marvin, Murderous Mimic

Minthara, Merciless Soul

Morbid Opportunist

Otharri, Suns' Glory

Puresteel Paladin

Royal Assassin

Shanid, Sleepers' Scourge

Shay Cormac

Taii Wakeen, Perfect Shot

Termination Facilitator

White Plume Adventurer

Instants (7)

Boros Charm

Crackling Doom

Inevitable Defeat

Path to Exile

Swords to Plowshares

Terminate

You Are Already Dead

Sorceries (5)

Blasphemous Act

Open the Armory

Painful Truths

Ruinous Ultimatum

Steelshaper's Gift

Artifacts (15)

Arcane Signet

Basilisk Collar

Boros Signet

Brotherhood Regalia

Chromatic Lantern

Excalibur, Sword of Eden

Gorgon's Head

Magewright's Stone

Patriar's Seal

Rakdos Signet

Shadowspear

Sol Ring

Sting, the Glinting Dagger

Swiftfoot Boots

Thousand-Year Elixir

Enchantments (8)

Agent of the Shadow Thieves

All-Out Assault

Black Market Connections

Brilliant Wings

Dazzling Theater // Prop Room

Fighter Class

Flowering of the White Tree

Rune of Mortality

Planeswalkers (2)

Dihada, Binder of Wills

Vraska, Betrayal's Sting

Lands (20)

Battlefield Forge

Blood Crypt

Bojuka Bog

Caves of Koilos

Clifftop Retreat

Command Tower

Dragonskull Summit

Evolving Wilds

Exotic Orchard

Godless Shrine

Isolated Chapel

Nomad Outpost

Rogue's Passage

Sacred Foundry

Savai Triome

Shattered Sanctum

Smoldering Marsh

Spectator Seating

Vault of Champions

Vault of the Archangel

Basics (3)

Mountain

4 Mountains

Plains

5 Plains

Swamp

6 Swamps