Average Deck for Kelsien, the Plague - Budget +1/+1 Counters
Alternate Names:
Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
Kelsien, the Plague
Rank #420
4decks

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 Adamant WillAdamant Will
- 1 All-Out AssaultAll-Out Assault
- 1 Arcane SignetArcane Signet
- 1 Archetype of FinalityArchetype of Finality
- 1 Aspect of GorgonAspect of Gorgon
- 1 Basilisk CollarBasilisk Collar
- 1 Battlefield ForgeBattlefield Forge
- 1 Bojuka BogBojuka Bog
- 1 Boros SignetBoros Signet
- 1 Buried RuinBuried Ruin
- 1 Call of the Death-DwellerCall of the Death-Dweller
- 1 Caves of KoilosCaves of Koilos
- 1 Celestial ArmorCelestial Armor
- 1 Chaos WarpChaos Warp
- 1 Command TowerCommand Tower
- 1 Crackling DoomCrackling Doom
- 1 Dazzling Theater // Prop RoomDazzling Theater // Prop Room
- 1 DesparkDespark
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Flowering of the White TreeFlowering of the White Tree
- 1 FractureFracture
- 1 Frontline MedicFrontline Medic
- 1 General's EnforcerGeneral's Enforcer
- 1 Generous GiftGenerous Gift
- 1 Gift of DoomGift of Doom
- 1 Glaring SpotlightGlaring Spotlight
- 1 Gorgon's HeadGorgon's Head
- 1 Isolated ChapelIsolated Chapel
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Marshal of the LostMarshal of the Lost
- 1 Mask of GriselbrandMask of Griselbrand
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Morbid OpportunistMorbid Opportunist
- 5 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Nomad OutpostNomad Outpost
- 1 Open the ArmoryOpen the Armory
- 1 Orzhov BasilicaOrzhov Basilica
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Patrolling PeacemakerPatrolling Peacemaker
- 6 PlainsPlains
- 1 Prodigal PyromancerProdigal Pyromancer
- 1 PuPu UFOPuPu UFO
- 1 Qarsi RevenantQarsi Revenant
- 1 Queen MarchesaQueen Marchesa
- 1 Rakdos CarnariumRakdos Carnarium
- 1 Rakdos IckspitterRakdos Ickspitter
- 1 Read the BonesRead the Bones
- 1 Reconstruct HistoryReconstruct History
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Scholar of New HorizonsScholar of New Horizons
- 1 Serene MasterSerene Master
- 1 Sevinne's ReclamationSevinne's Reclamation
- 1 Shadowblood RidgeShadowblood Ridge
- 1 Shattered LandscapeShattered Landscape
- 1 Shay CormacShay Cormac
- 1 Single CombatSingle Combat
- 1 Smoldering MarshSmoldering Marsh
- 1 Snowfield SinkholeSnowfield Sinkhole
- 1 Sol RingSol Ring
- 1 Solemn SimulacrumSolemn Simulacrum
- 1 Sparring RegimenSparring Regimen
- 1 Sram, Senior EdificerSram, Senior Edificer
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Sulfurous SpringsSulfurous Springs
- 1 Sunlit MarshSunlit Marsh
- 7 SwampSwamp
- 1 Swiftfoot BootsSwiftfoot Boots
- 1 Syr Vondam, the LucentSyr Vondam, the Lucent
- 1 Talisman of ConvictionTalisman of Conviction
- 1 Talisman of HierarchyTalisman of Hierarchy
- 1 Talisman of IndulgenceTalisman of Indulgence
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Unexpected WindfallUnexpected Windfall
- 1 Unfinished BusinessUnfinished Business
- 1 Vault of the ArchangelVault of the Archangel
- 1 Void BeckonerVoid Beckoner
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 Worthy KnightWorthy Knight
Archetype of Finality
Archetype of Finality
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
Frontline Medic
Frontline Medic
General's Enforcer
General's Enforcer
Magda, the Hoardmaster
Magda, the Hoardmaster
Marshal of the Lost
Marshal of the Lost
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Patrolling Peacemaker
Patrolling Peacemaker
Prodigal Pyromancer
Prodigal Pyromancer
PuPu UFO
PuPu UFO
Qarsi Revenant
Qarsi Revenant
Queen Marchesa
Queen Marchesa
Rakdos Ickspitter
Rakdos Ickspitter
Scholar of New Horizons
Scholar of New Horizons
Serene Master
Serene Master
Shay Cormac
Shay Cormac
Solemn Simulacrum
Solemn Simulacrum
Sram, Senior Edificer
Sram, Senior Edificer
Syr Vondam, the Lucent
Syr Vondam, the Lucent
Void Beckoner
Void Beckoner
White Plume Adventurer
White Plume Adventurer
Worthy Knight
Worthy Knight
Instants (7)
Adamant Will
Adamant Will
Chaos Warp
Chaos Warp
Crackling Doom
Crackling Doom
Despark
Despark
Fracture
Fracture
Generous Gift
Generous Gift
Unexpected Windfall
Unexpected Windfall
Sorceries (10)
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
Reconstruct History
Reconstruct History
Ruinous Ultimatum
Ruinous Ultimatum
Sevinne's Reclamation
Sevinne's Reclamation
Single Combat
Single Combat
Unfinished Business
Unfinished Business
Artifacts (13)
Arcane Signet
Arcane Signet
Basilisk Collar
Basilisk Collar
Boros Signet
Boros Signet
Celestial Armor
Celestial Armor
Glaring Spotlight
Glaring Spotlight
Gorgon's Head
Gorgon's Head
Mask of Griselbrand
Mask of Griselbrand
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
Talisman of Indulgence
Talisman of Indulgence
Enchantments (7)
All-Out Assault
All-Out Assault
Aspect of Gorgon
Aspect of Gorgon
Dazzling Theater // Prop Room
Dazzling Theater // Prop Room
Flowering of the White Tree
Flowering of the White Tree
Gift of Doom
Gift of Doom
Rune of Mortality
Rune of Mortality
Sparring Regimen
Sparring Regimen
Lands (19)
Battlefield Forge
Battlefield Forge
Bojuka Bog
Bojuka Bog
Buried Ruin
Buried Ruin
Caves of Koilos
Caves of Koilos
Command Tower
Command Tower
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Isolated Chapel
Isolated Chapel
Nomad Outpost
Nomad Outpost
Orzhov Basilica
Orzhov Basilica
Rakdos Carnarium
Rakdos Carnarium
Shadowblood Ridge
Shadowblood Ridge
Shattered Landscape
Shattered Landscape
Smoldering Marsh
Smoldering Marsh
Snowfield Sinkhole
Snowfield Sinkhole
Sulfurous Springs
Sulfurous Springs
Sunlit Marsh
Sunlit Marsh
Terramorphic Expanse
Terramorphic Expanse
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
5 Mountains
Plains
6 Plains
Swamp
7 Swamps