Average Deck for Altaïr, Brotherhood Mentor - Obosh Companion

Original Name:

Kelsien, the PlagueKelsien, the Plague

Altaïr, Brotherhood Mentor

Rank #386

23decks

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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.

Background image for Fire and Ice: Which Cards are Hot and Cold for Nov. 14?

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

Altaïr, Brotherhood Mentor

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Playtest on Archidekt

- 1 Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor
- 1 All-Out AssaultAll-Out Assault
- 1 Angrath's MaraudersAngrath's Marauders
- 1 Anguished UnmakingAnguished Unmaking
- 1 Arcane LighthouseArcane Lighthouse
- 1 Assault IntercessorAssault Intercessor
- 1 Basilisk CollarBasilisk Collar
- 1 Blasphemous ActBlasphemous Act
- 1 Blood CryptBlood Crypt
- 1 Blood CultistBlood Cultist
- 1 Bojuka BogBojuka Bog
- 1 BoltwaveBoltwave
- 1 Boros GarrisonBoros Garrison
- 1 Bounty BoardBounty Board
- 1 Burnished HartBurnished Hart
- 1 Call of the Death-DwellerCall of the Death-Dweller
- 1 Chaos WarpChaos Warp
- 1 Clackbridge TrollClackbridge Troll
- 1 Command TowerCommand Tower
- 1 Commander's SphereCommander's Sphere
- 1 Court of IreCourt of Ire
- 1 Crackling DoomCrackling Doom
- 1 Cunning SparkmageCunning Sparkmage
- 1 Daxos the ReturnedDaxos the Returned
- 1 Death Pits of RathDeath Pits of Rath
- 1 Dragonskull SummitDragonskull Summit
- 1 DrumbellowerDrumbellower
- 1 Everlasting TormentEverlasting Torment
- 1 Evolving WildsEvolving Wilds
- 1 Exotic OrchardExotic Orchard
- 1 Faithless LootingFaithless Looting
- 1 Falthis, Shadowcat FamiliarFalthis, Shadowcat Familiar
- 1 Generous GiftGenerous Gift
- 1 Gift of DoomGift of Doom
- 1 Gisela, Blade of GoldnightGisela, Blade of Goldnight
- 1 Goblin SharpshooterGoblin Sharpshooter
- 1 Godless ShrineGodless Shrine
- 1 Gorgon's HeadGorgon's Head
- 1 Isolated ChapelIsolated Chapel
- 1 Karn's BastionKarn's Bastion
- 1 Lightning BoltLightning Bolt
- 1 Loran's EscapeLoran's Escape
- 1 Mari, the Killing QuillMari, the Killing Quill
- 1 Mathas, Fiend SeekerMathas, Fiend Seeker
- 1 Mirrodin AvengedMirrodin Avenged
- 1 Morbid OpportunistMorbid Opportunist
- 1 MortifyMortify
- 1 Mother of RunesMother of Runes
- 5 MountainMountain
- 1 Myriad LandscapeMyriad Landscape
- 1 Nomad OutpostNomad Outpost
- 1 Obosh, the PreypiercerObosh, the Preypiercer
- 1 Orzhov BasilicaOrzhov Basilica
- 1 Otharri, Suns' GloryOtharri, Suns' Glory
- 1 Painful TruthsPainful Truths
- 1 Path to ExilePath to Exile
- 1 Patriar's SealPatriar's Seal
- 1 Phyrexian ArenaPhyrexian Arena
- 4 PlainsPlains
- 1 Quietus SpikeQuietus Spike
- 1 Rakdos CarnariumRakdos Carnarium
- 1 Read the BonesRead the Bones
- 1 Retreat to HagraRetreat to Hagra
- 1 Rogue's PassageRogue's Passage
- 1 Ruinous UltimatumRuinous Ultimatum
- 1 Sacred FoundrySacred Foundry
- 1 Savai CrystalSavai Crystal
- 1 Savai TriomeSavai Triome
- 1 Sevinne's ReclamationSevinne's Reclamation
- 1 ShadowspearShadowspear
- 1 Smile at DeathSmile at Death
- 1 Sol RingSol Ring
- 1 Spectator SeatingSpectator Seating
- 1 Stroke of MidnightStroke of Midnight
- 5 SwampSwamp
- 1 Swords to PlowsharesSwords to Plowshares
- 1 Temple of TriumphTemple of Triumph
- 1 Terramorphic ExpanseTerramorphic Expanse
- 1 The Rollercrusher RideThe Rollercrusher Ride
- 1 Thousand-Year ElixirThousand-Year Elixir
- 1 Tor Wauki the YoungerTor Wauki the Younger
- 1 Vault of the ArchangelVault of the Archangel
- 1 Vorpal SwordVorpal Sword
- 1 Vulshok SorcererVulshok Sorcerer
- 1 Wayfarer's BaubleWayfarer's Bauble
- 1 Wear // TearWear // Tear
- 1 Weathered WayfarerWeathered Wayfarer
- 1 White Plume AdventurerWhite Plume Adventurer
- 1 You Are Already DeadYou Are Already Dead

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Angrath's Marauders

Assault Intercessor

Blood Cultist

Burnished Hart

Clackbridge Troll

Cunning Sparkmage

Daxos the Returned

Drumbellower

Falthis, Shadowcat Familiar

Gisela, Blade of Goldnight

Goblin Sharpshooter

Mari, the Killing Quill

Mathas, Fiend Seeker

Morbid Opportunist

Mother of Runes

Obosh, the Preypiercer

Otharri, Suns' Glory

Tor Wauki the Younger

Vulshok Sorcerer

Weathered Wayfarer

White Plume Adventurer

Instants (13)

Anguished Unmaking

Chaos Warp

Crackling Doom

Generous Gift

Lightning Bolt

Loran's Escape

Mirrodin Avenged

Mortify

Path to Exile

Stroke of Midnight

Swords to Plowshares

Wear // Tear

You Are Already Dead

Sorceries (8)

Blasphemous Act

Boltwave

Call of the Death-Dweller

Faithless Looting

Painful Truths

Read the Bones

Ruinous Ultimatum

Sevinne's Reclamation

Artifacts (12)

Basilisk Collar

Bounty Board

Commander's Sphere

Gorgon's Head

Patriar's Seal

Quietus Spike

Savai Crystal

Shadowspear

Sol Ring

Thousand-Year Elixir

Vorpal Sword

Wayfarer's Bauble

Enchantments (9)

All-Out Assault

Court of Ire

Death Pits of Rath

Everlasting Torment

Gift of Doom

Phyrexian Arena

Retreat to Hagra

Smile at Death

The Rollercrusher Ride

Lands (22)

Arcane Lighthouse

Blood Crypt

Bojuka Bog

Boros Garrison

Command Tower

Dragonskull Summit

Evolving Wilds

Exotic Orchard

Godless Shrine

Isolated Chapel

Karn's Bastion

Myriad Landscape

Nomad Outpost

Orzhov Basilica

Rakdos Carnarium

Rogue's Passage

Sacred Foundry

Savai Triome

Spectator Seating

Temple of Triumph

Terramorphic Expanse

Vault of the Archangel

Basics (3)

Mountain

5 Mountains

Plains

4 Plains

Swamp

5 Swamps