Average Deck for Altaïr, Brotherhood Mentor - Budget Activated Abilities
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #386
2decks

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 All-Out AssaultAll-Out Assault
- 1 Anguished UnmakingAnguished Unmaking
- 1 Arcane LighthouseArcane Lighthouse
- 1 Arcane SignetArcane Signet
- 1 At KnifepointAt Knifepoint
- 1 Athreos, Shroud-VeiledAthreos, Shroud-Veiled
- 1 Austere CommandAustere Command
- 1 Bandit's HaulBandit's Haul
- 1 Basilisk CollarBasilisk Collar
- 1 Battle-Rage BlessingBattle-Rage Blessing
- 1 BladebrandBladebrand
- 1 Bloodfell CavesBloodfell Caves
- 1 Boros GarrisonBoros Garrison
- 1 Command TowerCommand Tower
- 1 Dawn's TruceDawn's Truce
- 1 Daxos the ReturnedDaxos the Returned
- 1 Desolate MireDesolate Mire
- 1 Detection TowerDetection Tower
- 1 Dragonskull SummitDragonskull Summit
- 1 Ertha Jo, Frontier MentorErtha Jo, Frontier Mentor
- 1 Exotic OrchardExotic Orchard
- 1 FarewellFarewell
- 1 Fellwar StoneFellwar Stone
- 1 Fetid HeathFetid Heath
- 1 Fury CharmFury Charm
- 1 General's EnforcerGeneral's Enforcer
- 1 Glaring SpotlightGlaring Spotlight
- 1 Gorgon FlailGorgon Flail
- 1 Gorgon's HeadGorgon's Head
- 1 Grave BetrayalGrave Betrayal
- 1 HaystackHaystack
- 1 Hexgold HalberdHexgold Halberd
- 1 Hourglass of the LostHourglass of the Lost
- 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 Lae'zel, Vlaakith's ChampionLae'zel, Vlaakith's Champion
- 1 Lightning GreavesLightning Greaves
- 1 Magda, the HoardmasterMagda, the Hoardmaster
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Marvin, Murderous MimicMarvin, Murderous Mimic
- 1 Minthara, Merciless SoulMinthara, Merciless Soul
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 5 MountainMountain
- 1 Mythos of SnapdaxMythos of Snapdax
- 1 Nomad OutpostNomad Outpost
- 1 Offer ImmortalityOffer Immortality
- 1 Orzhov GuildgateOrzhov Guildgate
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Patriar's SealPatriar's Seal
- 5 PlainsPlains
- 1 Qarsi RevenantQarsi Revenant
- 1 Queen MarchesaQueen Marchesa
- 1 Quietus SpikeQuietus Spike
- 1 Righteous WarRighteous War
- 1 Rip ApartRip Apart
- 1 Rite of the Raging StormRite of the Raging Storm
- 1 Robaran MercenariesRobaran Mercenaries
- 1 Rugged PrairieRugged Prairie
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Rune of MortalityRune of Mortality
- 1 Shadowblood RidgeShadowblood Ridge
- 1 Shay CormacShay Cormac
- 1 Siege SmashSiege Smash
- 1 Smoldering MarshSmoldering Marsh
- 1 Sol RingSol Ring
- 1 Sting, the Glinting DaggerSting, the Glinting Dagger
- 1 Stroke of MidnightStroke of Midnight
- 6 SwampSwamp
- 1 Taii Wakeen, Perfect ShotTaii Wakeen, Perfect Shot
- 1 Tainted FieldTainted Field
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 The MasamuneThe Masamune
- 1 Thriving BluffThriving Bluff
- 1 Virulent SwipeVirulent Swipe
- 1 Wayfarer's BaubleWayfarer's Bauble
- 1 Wear // TearWear // Tear
- 1 Whispersilk CloakWhispersilk Cloak
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 You Are Already DeadYou Are Already Dead
- 1 Zagras, Thief of HeartbeatsZagras, Thief of Heartbeats
Athreos, Shroud-Veiled
Athreos, Shroud-Veiled
Daxos the Returned
Daxos the Returned
Ertha Jo, Frontier Mentor
Ertha Jo, Frontier Mentor
General's Enforcer
General's Enforcer
Humble Defector
Humble Defector
Kalemne, Disciple of Iroas
Kalemne, Disciple of Iroas
Lae'zel, Vlaakith's Champion
Lae'zel, Vlaakith's Champion
Magda, the Hoardmaster
Magda, the Hoardmaster
Mari, the Killing Quill
Mari, the Killing Quill
Marvin, Murderous Mimic
Marvin, Murderous Mimic
Minthara, Merciless Soul
Minthara, Merciless Soul
Morbid Opportunist
Morbid Opportunist
Otharri, Suns' Glory
Otharri, Suns' Glory
Qarsi Revenant
Qarsi Revenant
Queen Marchesa
Queen Marchesa
Robaran Mercenaries
Robaran Mercenaries
Shay Cormac
Shay Cormac
Taii Wakeen, Perfect Shot
Taii Wakeen, Perfect Shot
White Plume Adventurer
White Plume Adventurer
Zagras, Thief of Heartbeats
Zagras, Thief of Heartbeats
Instants (12)
Anguished Unmaking
Anguished Unmaking
Battle-Rage Blessing
Battle-Rage Blessing
Bladebrand
Bladebrand
Dawn's Truce
Dawn's Truce
Fury Charm
Fury Charm
Mirrodin Avenged
Mirrodin Avenged
Offer Immortality
Offer Immortality
Siege Smash
Siege Smash
Stroke of Midnight
Stroke of Midnight
Virulent Swipe
Virulent Swipe
Wear // Tear
Wear // Tear
You Are Already Dead
You Are Already Dead
Sorceries (6)
Austere Command
Austere Command
Farewell
Farewell
Mythos of Snapdax
Mythos of Snapdax
Painful Truths
Painful Truths
Rip Apart
Rip Apart
Ruinous Ultimatum
Ruinous Ultimatum
Artifacts (21)
Aetheric Amplifier
Aetheric Amplifier
Arcane Signet
Arcane Signet
Bandit's Haul
Bandit's Haul
Basilisk Collar
Basilisk Collar
Fellwar Stone
Fellwar Stone
Glaring Spotlight
Glaring Spotlight
Gorgon Flail
Gorgon Flail
Gorgon's Head
Gorgon's Head
Haystack
Haystack
Hexgold Halberd
Hexgold Halberd
Hourglass of the Lost
Hourglass of the Lost
Hunter's Blowgun
Hunter's Blowgun
Illusionist's Bracers
Illusionist's Bracers
Lightning Greaves
Lightning Greaves
Patriar's Seal
Patriar's Seal
Quietus Spike
Quietus Spike
Sol Ring
Sol Ring
Sting, the Glinting Dagger
Sting, the Glinting Dagger
The Masamune
The Masamune
Wayfarer's Bauble
Wayfarer's Bauble
Whispersilk Cloak
Whispersilk Cloak
Enchantments (6)
All-Out Assault
All-Out Assault
At Knifepoint
At Knifepoint
Grave Betrayal
Grave Betrayal
Righteous War
Righteous War
Rite of the Raging Storm
Rite of the Raging Storm
Rune of Mortality
Rune of Mortality
Lands (18)
Arcane Lighthouse
Arcane Lighthouse
Bloodfell Caves
Bloodfell Caves
Boros Garrison
Boros Garrison
Command Tower
Command Tower
Desolate Mire
Desolate Mire
Detection Tower
Detection Tower
Dragonskull Summit
Dragonskull Summit
Exotic Orchard
Exotic Orchard
Fetid Heath
Fetid Heath
Isolated Chapel
Isolated Chapel
Nomad Outpost
Nomad Outpost
Orzhov Guildgate
Orzhov Guildgate
Rugged Prairie
Rugged Prairie
Shadowblood Ridge
Shadowblood Ridge
Smoldering Marsh
Smoldering Marsh
Tainted Field
Tainted Field
Terramorphic Expanse
Terramorphic Expanse
Thriving Bluff
Thriving Bluff
Basics (3)
Mountain
5 Mountains
Plains
5 Plains
Swamp
6 Swamps