Average Deck for Altaïr, Brotherhood Mentor - Budget Obosh Companion
Original Name:
Kelsien, the PlagueKelsien, the Plague
Altaïr, Brotherhood Mentor
Rank #403
1decks

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 Alchemist's GiftAlchemist's Gift
- 1 Angrath's MaraudersAngrath's Marauders
- 1 Aspect of GorgonAspect of Gorgon
- 1 Assault IntercessorAssault Intercessor
- 1 At KnifepointAt Knifepoint
- 1 Axgard ArmoryAxgard Armory
- 1 Bandit's HaulBandit's Haul
- 1 BedevilBedevil
- 1 Blood CultistBlood Cultist
- 1 Boros GarrisonBoros Garrison
- 1 Bounty BoardBounty Board
- 1 Brash TaunterBrash Taunter
- 1 Buried RuinBuried Ruin
- 1 Burnished HartBurnished Hart
- 1 Call of the Death-DwellerCall of the Death-Dweller
- 1 Chaos WarpChaos Warp
- 1 Clackbridge TrollClackbridge Troll
- 1 Cleansing NovaCleansing Nova
- 1 Coat with VenomCoat with Venom
- 1 Command TowerCommand Tower
- 1 Commander's SphereCommander's Sphere
- 1 Crackling DoomCrackling Doom
- 1 Cunning SparkmageCunning Sparkmage
- 1 Deafening ClarionDeafening Clarion
- 1 Death Pits of RathDeath Pits of Rath
- 1 Death's ApproachDeath's Approach
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Faithless LootingFaithless Looting
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Generous GiftGenerous Gift
- 1 Gisela, Blade of GoldnightGisela, Blade of Goldnight
- 1 Hooded BlightfangHooded Blightfang
- 1 Hunter's BlowgunHunter's Blowgun
- 1 Jaya, Venerated FiremageJaya, Venerated Firemage
- 1 Kaervek the MercilessKaervek the Merciless
- 1 Lightning BoltLightning Bolt
- 1 Loran's EscapeLoran's Escape
- 1 Mardu BannerMardu Banner
- 1 Mathas, Fiend SeekerMathas, Fiend Seeker
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 4 MountainMountain
- 1 Myriad LandscapeMyriad Landscape
- 1 Nomad OutpostNomad Outpost
- 1 Orzhov BasilicaOrzhov Basilica
- 1 Painful TruthsPainful Truths
- 1 Path of AncestryPath of Ancestry
- 1 Path to ExilePath to Exile
- 4 PlainsPlains
- 1 Prodigal PyromancerProdigal Pyromancer
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos CarnariumRakdos Carnarium
- 1 Rakdos IckspitterRakdos Ickspitter
- 1 Read the BonesRead the Bones
- 1 Rogue's PassageRogue's Passage
- 1 Royal AssassinRoyal Assassin
- 1 Savai CrystalSavai Crystal
- 1 Scoured BarrensScoured Barrens
- 1 Shadowblood RidgeShadowblood Ridge
- 1 Shattered LandscapeShattered Landscape
- 1 Single CombatSingle Combat
- 1 Sol RingSol Ring
- 1 Sudden SpoilingSudden Spoiling
- 1 Sunhome, Fortress of the LegionSunhome, Fortress of the Legion
- 4 SwampSwamp
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Temple of MaliceTemple of Malice
- 1 Temple of SilenceTemple of Silence
- 1 Temple of TriumphTemple of Triumph
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 Tor Wauki the YoungerTor Wauki the Younger
- 1 Touch of MoongloveTouch of Moonglove
- 1 Toxin AnalysisToxin Analysis
- 1 Tragic SlipTragic Slip
- 1 UnearthUnearth
- 1 Unlicensed DisintegrationUnlicensed Disintegration
- 1 Vat EmergenceVat Emergence
- 1 Vault of the ArchangelVault of the Archangel
- 1 VindicateVindicate
- 1 Virulent SwipeVirulent Swipe
- 1 Volt ChargeVolt Charge
- 1 Vorpal SwordVorpal Sword
- 1 Vulshok SorcererVulshok Sorcerer
- 1 Wayfarer's BaubleWayfarer's Bauble
- 1 Weathered WayfarerWeathered Wayfarer
- 1 Whisper of the DrossWhisper of the Dross
- 1 Witch's MistWitch's Mist
- 1 You Are Already DeadYou Are Already Dead
Angrath's Marauders
Angrath's Marauders
Assault Intercessor
Assault Intercessor
Blood Cultist
Blood Cultist
Brash Taunter
Brash Taunter
Burnished Hart
Burnished Hart
Clackbridge Troll
Clackbridge Troll
Cunning Sparkmage
Cunning Sparkmage
Falthis, Shadowcat Familiar
Falthis, Shadowcat Familiar
Gisela, Blade of Goldnight
Gisela, Blade of Goldnight
Hooded Blightfang
Hooded Blightfang
Kaervek the Merciless
Kaervek the Merciless
Mathas, Fiend Seeker
Mathas, Fiend Seeker
Morbid Opportunist
Morbid Opportunist
Prodigal Pyromancer
Prodigal Pyromancer
Rakdos Ickspitter
Rakdos Ickspitter
Royal Assassin
Royal Assassin
Tor Wauki the Younger
Tor Wauki the Younger
Vulshok Sorcerer
Vulshok Sorcerer
Weathered Wayfarer
Weathered Wayfarer
Instants (21)
Alchemist's Gift
Alchemist's Gift
Bedevil
Bedevil
Chaos Warp
Chaos Warp
Coat with Venom
Coat with Venom
Crackling Doom
Crackling Doom
Generous Gift
Generous Gift
Lightning Bolt
Lightning Bolt
Loran's Escape
Loran's Escape
Mirrodin Avenged
Mirrodin Avenged
Mortify
Mortify
Path to Exile
Path to Exile
Sudden Spoiling
Sudden Spoiling
Swords to Plowshares
Swords to Plowshares
Touch of Moonglove
Touch of Moonglove
Toxin Analysis
Toxin Analysis
Tragic Slip
Tragic Slip
Unlicensed Disintegration
Unlicensed Disintegration
Virulent Swipe
Virulent Swipe
Volt Charge
Volt Charge
Whisper of the Dross
Whisper of the Dross
You Are Already Dead
You Are Already Dead
Sorceries (10)
Call of the Death-Dweller
Call of the Death-Dweller
Cleansing Nova
Cleansing Nova
Deafening Clarion
Deafening Clarion
Faithless Looting
Faithless Looting
Painful Truths
Painful Truths
Read the Bones
Read the Bones
Single Combat
Single Combat
Unearth
Unearth
Vat Emergence
Vat Emergence
Vindicate
Vindicate
Artifacts (10)
Bandit's Haul
Bandit's Haul
Bounty Board
Bounty Board
Commander's Sphere
Commander's Sphere
Hunter's Blowgun
Hunter's Blowgun
Mardu Banner
Mardu Banner
Quietus Spike
Quietus Spike
Savai Crystal
Savai Crystal
Sol Ring
Sol Ring
Vorpal Sword
Vorpal Sword
Wayfarer's Bauble
Wayfarer's Bauble
Enchantments (5)
Aspect of Gorgon
Aspect of Gorgon
At Knifepoint
At Knifepoint
Death Pits of Rath
Death Pits of Rath
Death's Approach
Death's Approach
Witch's Mist
Witch's Mist
Planeswalkers (1)
Jaya, Venerated Firemage
Jaya, Venerated Firemage
Lands (21)
Axgard Armory
Axgard Armory
Boros Garrison
Boros Garrison
Buried Ruin
Buried Ruin
Command Tower
Command Tower
Evolving Wilds
Evolving Wilds
Exotic Orchard
Exotic Orchard
Myriad Landscape
Myriad Landscape
Nomad Outpost
Nomad Outpost
Orzhov Basilica
Orzhov Basilica
Path of Ancestry
Path of Ancestry
Rakdos Carnarium
Rakdos Carnarium
Rogue's Passage
Rogue's Passage
Scoured Barrens
Scoured Barrens
Shadowblood Ridge
Shadowblood Ridge
Shattered Landscape
Shattered Landscape
Sunhome, Fortress of the Legion
Sunhome, Fortress of the Legion
Temple of Malice
Temple of Malice
Temple of Silence
Temple of Silence
Temple of Triumph
Temple of Triumph
Terramorphic Expanse
Terramorphic Expanse
Vault of the Archangel
Vault of the Archangel
Basics (3)
Mountain
4 Mountains
Plains
4 Plains
Swamp
4 Swamps