Altaïr, Brotherhood Mentor (Commander) - Tap / Untap

Original Name:

Kelsien, the PlagueKelsien, the Plague

Ezra Sassaman
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
S.H.I.E.L.D. Spy Kit
25%inclusion1 decks4 decks
25%synergy
Black Widow, Agile Avenger
25%inclusion1 decks4 decks
24%synergy
High Synergy Cards
Basilisk Collar
100%inclusion29 decks29 decks
96%synergy
Rune of Mortality
93%inclusion27 decks29 decks
92%synergy
Sting, the Glinting Dagger
90%inclusion26 decks29 decks
88%synergy
Drumbellower
86%inclusion25 decks29 decks
84%synergy
Thornbite Staff
79%inclusion23 decks29 decks
78%synergy
Otharri, Suns' Glory
83%inclusion24 decks29 decks
77%synergy
Mari, the Killing Quill
83%inclusion24 decks29 decks
77%synergy
Vorpal Sword
76%inclusion22 decks29 decks
74%synergy
Dazzling Theater // Prop Room
70%inclusion19 decks27 decks
69%synergy
Magewright's Stone
69%inclusion20 decks29 decks
68%synergy
Top Cards
Morbid Opportunist
83%inclusion24 decks29 decks
64%synergy
Falthis, Shadowcat Familiar
69%inclusion20 decks29 decks
68%synergy
Magda, the Hoardmaster
69%inclusion20 decks29 decks
67%synergy
Shay Cormac
69%inclusion20 decks29 decks
66%synergy
Swiftfoot Boots
69%inclusion20 decks29 decks
37%synergy
Minthara, Merciless Soul
69%inclusion20 decks29 decks
67%synergy
Gorgon's Head
66%inclusion19 decks29 decks
64%synergy
White Plume Adventurer
66%inclusion19 decks29 decks
64%synergy
Lae'zel, Vlaakith's Champion
66%inclusion19 decks29 decks
64%synergy
Maha, Its Feathers Night
62%inclusion18 decks29 decks
61%synergy
Game Changers
Enlightened Tutor
28%inclusion8 decks29 decks
16%synergy
Demonic Tutor
24%inclusion7 decks29 decks
5%synergy
Teferi's Protection
21%inclusion6 decks29 decks
2%synergy
Smothering Tithe
21%inclusion6 decks29 decks
-4%synergy
Orcish Bowmasters
17%inclusion5 decks29 decks
12%synergy
Vampiric Tutor
17%inclusion5 decks29 decks
3%synergy
Jeska's Will
14%inclusion4 decks29 decks
4%synergy
Farewell
10%inclusion3 decks29 decks
0%synergy
Ancient Tomb
6.9%inclusion2 decks29 decks
-1%synergy
Creatures
Ertha Jo, Frontier Mentor
52%inclusion15 decks29 decks
51%synergy
Termination Facilitator
52%inclusion15 decks29 decks
50%synergy
Humble Defector
48%inclusion14 decks29 decks
46%synergy
Taii Wakeen, Perfect Shot
48%inclusion14 decks29 decks
48%synergy
Mathas, Fiend Seeker
41%inclusion12 decks29 decks
39%synergy
Harvester of Souls
41%inclusion12 decks29 decks
38%synergy
General's Enforcer
41%inclusion12 decks29 decks
34%synergy
Marvin, Murderous Mimic
41%inclusion11 decks27 decks
40%synergy
Goblin Sharpshooter
38%inclusion11 decks29 decks
37%synergy
Void Beckoner
34%inclusion10 decks29 decks
34%synergy
Daxos the Returned
31%inclusion9 decks29 decks
30%synergy
Slaughter Specialist
31%inclusion9 decks29 decks
30%synergy
Esper Sentinel
28%inclusion8 decks29 decks
9%synergy
Mother of Runes
28%inclusion8 decks29 decks
20%synergy
Kalemne, Disciple of Iroas
28%inclusion8 decks29 decks
27%synergy
Kratos, Stoic Father
27%inclusion6 decks22 decks
27%synergy
Blood Cultist
24%inclusion7 decks29 decks
24%synergy
Mahadi, Emporium Master
24%inclusion7 decks29 decks
16%synergy
Stoneforge Mystic
24%inclusion7 decks29 decks
21%synergy
Assault Intercessor
24%inclusion7 decks29 decks
24%synergy
Puresteel Paladin
21%inclusion6 decks29 decks
17%synergy
Sram, Senior Edificer
21%inclusion6 decks29 decks
18%synergy
Zagras, Thief of Heartbeats
21%inclusion6 decks29 decks
20%synergy
Sun Titan
21%inclusion6 decks29 decks
10%synergy
Athreos, Shroud-Veiled
17%inclusion5 decks29 decks
16%synergy
Professional Face-Breaker
14%inclusion4 decks29 decks
-2%synergy
Blood Artist
14%inclusion4 decks29 decks
-4%synergy
Gisa, the Hellraiser
14%inclusion4 decks29 decks
14%synergy
Solphim, Mayhem Dominus
14%inclusion4 decks29 decks
13%synergy
Royal Assassin
14%inclusion4 decks29 decks
11%synergy
Massacre Girl, Known Killer
14%inclusion4 decks29 decks
12%synergy
Archetype of Finality
14%inclusion4 decks29 decks
13%synergy
Tataru Taru
13%inclusion3 decks24 decks
9%synergy
Karlach, Fury of Avernus
10%inclusion3 decks29 decks
6%synergy
Metastatic Evangel
10%inclusion3 decks29 decks
10%synergy
Lotho, Corrupt Shirriff
10%inclusion3 decks29 decks
-3%synergy
Robaran Mercenaries
10%inclusion3 decks29 decks
10%synergy
Deathbringer Thoctar
10%inclusion3 decks29 decks
10%synergy
Plargg, Dean of Chaos
10%inclusion3 decks29 decks
10%synergy
Cunning Sparkmage
10%inclusion3 decks29 decks
10%synergy
Loran of the Third Path
10%inclusion3 decks29 decks
3%synergy
Stonehewer Giant
10%inclusion3 decks29 decks
9%synergy
Akiri, Fearless Voyager
10%inclusion3 decks29 decks
8%synergy
Queen Marchesa
10%inclusion3 decks29 decks
5%synergy
Dauthi Voidwalker
10%inclusion3 decks29 decks
7%synergy
Stensian Sanguinist
10%inclusion1 decks10 decks
8%synergy
Emeritus of Woe
10%inclusion1 decks10 decks
5%synergy
Azula, Ruthless Firebender
9.1%inclusion2 decks22 decks
9%synergy
Qarsi Revenant
8.3%inclusion2 decks24 decks
5%synergy
Cloud, Midgar Mercenary
8.3%inclusion2 decks24 decks
7%synergy
Instants
Swords to Plowshares
52%inclusion15 decks29 decks
-10%synergy
Boros Charm
45%inclusion13 decks29 decks
16%synergy
You Are Already Dead
45%inclusion13 decks29 decks
43%synergy
Deflecting Swat
34%inclusion10 decks29 decks
19%synergy
Crackling Doom
31%inclusion9 decks29 decks
14%synergy
Fracture
31%inclusion9 decks29 decks
25%synergy
Anguished Unmaking
28%inclusion8 decks29 decks
-6%synergy
Despark
28%inclusion8 decks29 decks
14%synergy
Path to Exile
28%inclusion8 decks29 decks
-19%synergy
Mirrodin Avenged
28%inclusion8 decks29 decks
27%synergy
Offer Immortality
21%inclusion6 decks29 decks
20%synergy
Deadly Rollick
17%inclusion5 decks29 decks
6%synergy
Chaos Warp
17%inclusion5 decks29 decks
1%synergy
Rakdos Charm
17%inclusion5 decks29 decks
8%synergy
Tainted Strike
17%inclusion5 decks29 decks
17%synergy
Flawless Maneuver
14%inclusion4 decks29 decks
-1%synergy
Wear // Tear
14%inclusion4 decks29 decks
2%synergy
Stroke of Midnight
14%inclusion4 decks29 decks
2%synergy
Malakir Rebirth
14%inclusion4 decks29 decks
8%synergy
Bladebrand
14%inclusion4 decks29 decks
13%synergy
Deflecting Palm
14%inclusion4 decks29 decks
7%synergy
Reprieve
14%inclusion4 decks29 decks
11%synergy
Mortify
14%inclusion4 decks29 decks
-2%synergy
Generous Gift
14%inclusion4 decks29 decks
-4%synergy
Untimely Malfunction
11%inclusion3 decks27 decks
6%synergy
Dire Tactics
10%inclusion3 decks29 decks
8%synergy
Loran's Escape
10%inclusion3 decks29 decks
9%synergy
Toxin Analysis
10%inclusion3 decks29 decks
10%synergy
Blessed Alliance
10%inclusion3 decks29 decks
10%synergy
Terminate
10%inclusion3 decks29 decks
-2%synergy
Virulent Swipe
10%inclusion3 decks29 decks
10%synergy
To Arms!
10%inclusion3 decks29 decks
10%synergy
Legion Leadership
10%inclusion3 decks29 decks
6%synergy
Djeru's Resolve
10%inclusion3 decks29 decks
10%synergy
Touch of Moonglove
10%inclusion3 decks29 decks
10%synergy
Sejiri Shelter
10%inclusion3 decks29 decks
8%synergy
Valakut Awakening
10%inclusion3 decks29 decks
7%synergy
Fell the Profane
6.9%inclusion2 decks29 decks
0%synergy
Ephemerate
6.9%inclusion2 decks29 decks
2%synergy
Acrobatic Leap
6.9%inclusion2 decks29 decks
7%synergy
Act of Heroism
6.9%inclusion2 decks29 decks
7%synergy
Return the Favor
6.9%inclusion2 decks29 decks
5%synergy
Flare of Fortitude
6.9%inclusion2 decks29 decks
4%synergy
Battle-Rage Blessing
6.9%inclusion2 decks29 decks
7%synergy
Blacksmith's Skill
6.9%inclusion2 decks29 decks
6%synergy
Hide // Seek
6.9%inclusion2 decks29 decks
7%synergy
Tibalt's Trickery
6.9%inclusion2 decks29 decks
3%synergy
Light the Way
6.9%inclusion2 decks29 decks
7%synergy
Big Score
6.9%inclusion2 decks29 decks
-4%synergy
Wings of the Cosmos
6.9%inclusion2 decks29 decks
7%synergy
Sorceries
Ruinous Ultimatum
45%inclusion13 decks29 decks
6%synergy
Steelshaper's Gift
45%inclusion13 decks29 decks
42%synergy
Open the Armory
41%inclusion12 decks29 decks
37%synergy
Painful Truths
28%inclusion8 decks29 decks
20%synergy
Mythos of Snapdax
24%inclusion7 decks29 decks
19%synergy
Read the Bones
24%inclusion7 decks29 decks
16%synergy
Night's Whisper
24%inclusion7 decks29 decks
11%synergy
Sevinne's Reclamation
21%inclusion6 decks29 decks
13%synergy
Vandalblast
21%inclusion6 decks29 decks
10%synergy
Blasphemous Act
17%inclusion5 decks29 decks
-6%synergy
Chandra's Ignition
17%inclusion5 decks29 decks
15%synergy
Single Combat
14%inclusion4 decks29 decks
12%synergy
Seize the Day
10%inclusion3 decks29 decks
9%synergy
Faithless Looting
10%inclusion3 decks29 decks
-5%synergy
Call of the Death-Dweller
10%inclusion3 decks29 decks
10%synergy
Insatiable Avarice
10%inclusion3 decks29 decks
8%synergy
Toxic Deluge
10%inclusion3 decks29 decks
2%synergy
Sign in Blood
10%inclusion3 decks29 decks
3%synergy
Vindicate
6.9%inclusion2 decks29 decks
1%synergy
Tempt with Bunnies
6.9%inclusion2 decks29 decks
6%synergy
Unfinished Business
6.9%inclusion2 decks29 decks
6%synergy
Reanimate
6.9%inclusion2 decks29 decks
-11%synergy
Syphon Mind
6.9%inclusion2 decks29 decks
5%synergy
Sundering Eruption
6.9%inclusion2 decks29 decks
4%synergy
Legions to Ashes
6.9%inclusion2 decks29 decks
5%synergy
Overpowering Attack
6.9%inclusion2 decks29 decks
5%synergy
Drown in Ichor
6.9%inclusion2 decks29 decks
7%synergy
Utility Artifacts
Thousand-Year Elixir
48%inclusion14 decks29 decks
47%synergy
Shadowspear
45%inclusion13 decks29 decks
41%synergy
Quietus Spike
41%inclusion12 decks29 decks
40%synergy
Illusionist's Bracers
38%inclusion11 decks29 decks
36%synergy
Lightning Greaves
31%inclusion9 decks29 decks
-3%synergy
Gorgon Flail
28%inclusion8 decks29 decks
27%synergy
Glaring Spotlight
24%inclusion7 decks29 decks
24%synergy
Hunter's Blowgun
21%inclusion6 decks29 decks
20%synergy
The Reaver Cleaver
17%inclusion5 decks29 decks
11%synergy
Mithril Coat
17%inclusion5 decks29 decks
12%synergy
Brotherhood Regalia
17%inclusion5 decks29 decks
14%synergy
Dragonfire Blade
13%inclusion3 decks24 decks
11%synergy
Halo Fountain
10%inclusion3 decks29 decks
10%synergy
Robe of Stars
10%inclusion3 decks29 decks
9%synergy
Whispersilk Cloak
10%inclusion3 decks29 decks
5%synergy
Hammer of Nazahn
10%inclusion3 decks29 decks
8%synergy
Wayfarer's Bauble
6.9%inclusion2 decks29 decks
-1%synergy
Hidden Blade
6.9%inclusion2 decks29 decks
6%synergy
Embercleave
6.9%inclusion2 decks29 decks
4%synergy
Trailblazer's Boots
6.9%inclusion2 decks29 decks
5%synergy
Skullclamp
6.9%inclusion2 decks29 decks
-22%synergy
Sword of Truth and Justice
6.9%inclusion2 decks29 decks
6%synergy
Caduceus, Staff of Hermes
6.9%inclusion2 decks29 decks
6%synergy
Helm of the Host
6.9%inclusion2 decks29 decks
1%synergy
Neko-Te
6.9%inclusion2 decks29 decks
7%synergy
Darksteel Plate
6.9%inclusion2 decks29 decks
5%synergy
Battlemage's Bracers
6.9%inclusion2 decks29 decks
6%synergy
Sunforger
6.9%inclusion2 decks29 decks
4%synergy
Sword of the Animist
6.9%inclusion2 decks29 decks
-2%synergy
Loxodon Warhammer
6.9%inclusion2 decks29 decks
5%synergy
Puppet Strings
6.9%inclusion2 decks29 decks
7%synergy
Enchantments
Gift of Doom
48%inclusion14 decks29 decks
47%synergy
Revel in Riches
38%inclusion11 decks29 decks
32%synergy
Phyrexian Arena
38%inclusion11 decks29 decks
20%synergy
Fighter Class
34%inclusion10 decks29 decks
32%synergy
All-Out Assault
33%inclusion8 decks24 decks
22%synergy
Reconnaissance
28%inclusion8 decks29 decks
16%synergy
Black Market
24%inclusion7 decks29 decks
19%synergy
Black Market Connections
24%inclusion7 decks29 decks
8%synergy
Sigarda's Aid
21%inclusion6 decks29 decks
18%synergy
Trouble in Pairs
21%inclusion6 decks29 decks
16%synergy
Changing Loyalty
20%inclusion2 decks10 decks
20%synergy
Aspect of Gorgon
17%inclusion5 decks29 decks
17%synergy
Forge Anew
17%inclusion5 decks29 decks
15%synergy
Grave Betrayal
17%inclusion5 decks29 decks
17%synergy
Ghostly Prison
17%inclusion5 decks29 decks
10%synergy
Sparring Regimen
14%inclusion4 decks29 decks
14%synergy
At Knifepoint
14%inclusion4 decks29 decks
12%synergy
Eternal Thirst
10%inclusion3 decks29 decks
10%synergy
Agent of the Shadow Thieves
10%inclusion3 decks29 decks
10%synergy
Land Tax
10%inclusion3 decks29 decks
4%synergy
Nowhere to Run
10%inclusion3 decks29 decks
10%synergy
Darksteel Mutation
6.9%inclusion2 decks29 decks
5%synergy
Brave the Sands
6.9%inclusion2 decks29 decks
5%synergy
Life Insurance
6.9%inclusion2 decks29 decks
5%synergy
Blind Obedience
6.9%inclusion2 decks29 decks
2%synergy
Retreat to Hagra
6.9%inclusion2 decks29 decks
7%synergy
Phyresis
6.9%inclusion2 decks29 decks
7%synergy
Death Pits of Rath
6.9%inclusion2 decks29 decks
7%synergy
Kaya's Ghostform
6.9%inclusion2 decks29 decks
5%synergy
High Ground
6.9%inclusion2 decks29 decks
7%synergy
Animate Dead
6.9%inclusion2 decks29 decks
-1%synergy
Spiteful Banditry
6.9%inclusion2 decks29 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
14%inclusion4 decks29 decks
13%synergy
Utility Lands
Vault of the Archangel
59%inclusion17 decks29 decks
36%synergy
Bojuka Bog
52%inclusion15 decks29 decks
21%synergy
Rogue's Passage
52%inclusion15 decks29 decks
28%synergy
Arcane Lighthouse
48%inclusion14 decks29 decks
47%synergy
Detection Tower
31%inclusion9 decks29 decks
30%synergy
Shizo, Death's Storehouse
28%inclusion8 decks29 decks
21%synergy
Urza's Saga
17%inclusion5 decks29 decks
13%synergy
Urborg, Tomb of Yawgmoth
17%inclusion5 decks29 decks
4%synergy
Buried Ruin
14%inclusion4 decks29 decks
11%synergy
Sunhome, Fortress of the Legion
14%inclusion4 decks29 decks
10%synergy
Axgard Armory
10%inclusion3 decks29 decks
8%synergy
Flamekin Village
6.9%inclusion2 decks29 decks
6%synergy
Spymaster's Vault
6.9%inclusion2 decks29 decks
5%synergy
Karn's Bastion
6.9%inclusion2 decks29 decks
6%synergy
Bonders' Enclave
6.9%inclusion2 decks29 decks
6%synergy
Mana Artifacts
Arcane Signet
86%inclusion25 decks29 decks
0%synergy
Sol Ring
79%inclusion23 decks29 decks
-9%synergy
Patriar's Seal
72%inclusion21 decks29 decks
70%synergy
Talisman of Hierarchy
34%inclusion10 decks29 decks
-7%synergy
Talisman of Indulgence
31%inclusion9 decks29 decks
-6%synergy
Talisman of Conviction
31%inclusion9 decks29 decks
-11%synergy
Bandit's Haul
24%inclusion7 decks29 decks
23%synergy
Fellwar Stone
24%inclusion7 decks29 decks
-4%synergy
Orzhov Signet
24%inclusion7 decks29 decks
-6%synergy
Rakdos Signet
21%inclusion6 decks29 decks
-8%synergy
Boros Signet
17%inclusion5 decks29 decks
-10%synergy
Bounty Board
17%inclusion5 decks29 decks
15%synergy
Aetheric Amplifier
12%inclusion3 decks25 decks
12%synergy
Mox Amber
10%inclusion3 decks29 decks
6%synergy
Lands
Command Tower
97%inclusion28 decks29 decks
4%synergy
Swamp
97%inclusion28 decks29 decks
1%synergy
Mountain
93%inclusion27 decks29 decks
-1%synergy
Plains
93%inclusion27 decks29 decks
-2%synergy
Exotic Orchard
66%inclusion19 decks29 decks
13%synergy
Nomad Outpost
66%inclusion19 decks29 decks
8%synergy
Isolated Chapel
55%inclusion16 decks29 decks
1%synergy
Clifftop Retreat
55%inclusion16 decks29 decks
3%synergy
Blood Crypt
52%inclusion15 decks29 decks
7%synergy
Sacred Foundry
52%inclusion15 decks29 decks
6%synergy
Godless Shrine
52%inclusion15 decks29 decks
4%synergy
Caves of Koilos
48%inclusion14 decks29 decks
9%synergy
Dragonskull Summit
48%inclusion14 decks29 decks
-4%synergy
Marsh Flats
48%inclusion14 decks29 decks
17%synergy
Savai Triome
45%inclusion13 decks29 decks
7%synergy
Vault of Champions
45%inclusion13 decks29 decks
13%synergy
Fetid Heath
41%inclusion12 decks29 decks
20%synergy
Arid Mesa
41%inclusion12 decks29 decks
10%synergy
Forbidden Orchard
41%inclusion12 decks29 decks
39%synergy
Bloodstained Mire
41%inclusion12 decks29 decks
8%synergy
Smoldering Marsh
38%inclusion11 decks29 decks
1%synergy
Battlefield Forge
38%inclusion11 decks29 decks
-3%synergy
Luxury Suite
38%inclusion11 decks29 decks
7%synergy
Spectator Seating
38%inclusion11 decks29 decks
7%synergy
Orzhov Basilica
34%inclusion10 decks29 decks
21%synergy
Path of Ancestry
34%inclusion10 decks29 decks
-4%synergy
Sundown Pass
28%inclusion8 decks29 decks
6%synergy
Shattered Landscape
28%inclusion8 decks29 decks
9%synergy
Haunted Ridge
28%inclusion8 decks29 decks
8%synergy
Reflecting Pool
24%inclusion7 decks29 decks
17%synergy
Rugged Prairie
24%inclusion7 decks29 decks
6%synergy
Shattered Sanctum
24%inclusion7 decks29 decks
-1%synergy
Sulfurous Springs
21%inclusion6 decks29 decks
-8%synergy
Rakdos Carnarium
17%inclusion5 decks29 decks
6%synergy
Graven Cairns
17%inclusion5 decks29 decks
5%synergy
Foreboding Ruins
17%inclusion5 decks29 decks
6%synergy
Boros Garrison
17%inclusion5 decks29 decks
5%synergy
Tainted Peak
17%inclusion5 decks29 decks
7%synergy
Temple of Silence
17%inclusion5 decks29 decks
-5%synergy
Terramorphic Expanse
14%inclusion4 decks29 decks
-5%synergy
Brightclimb Pathway
14%inclusion4 decks29 decks
5%synergy
Concealed Courtyard
14%inclusion4 decks29 decks
8%synergy
Tainted Field
14%inclusion4 decks29 decks
2%synergy
Elegant Parlor
14%inclusion4 decks29 decks
4%synergy
Malakir Rebirth
14%inclusion4 decks29 decks
8%synergy
Needleverge Pathway
14%inclusion4 decks29 decks
6%synergy
Shineshadow Snarl
14%inclusion4 decks29 decks
4%synergy
City of Brass
14%inclusion4 decks29 decks
3%synergy
Hidden Hideout
13%inclusion2 decks15 decks
13%synergy
Bleachbone Verge
12%inclusion3 decks25 decks
2%synergy