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
Swift Demise
14%inclusion1 decks7 decks
14%synergy
Hidden Hideout
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Basilisk Collar
92%inclusion22 decks24 decks
87%synergy
Rune of Mortality
88%inclusion21 decks24 decks
86%synergy
Sting, the Glinting Dagger
83%inclusion20 decks24 decks
82%synergy
Drumbellower
79%inclusion19 decks24 decks
77%synergy
Mari, the Killing Quill
83%inclusion20 decks24 decks
77%synergy
Vorpal Sword
75%inclusion18 decks24 decks
73%synergy
Falthis, Shadowcat Familiar
71%inclusion17 decks24 decks
70%synergy
White Plume Adventurer
67%inclusion16 decks24 decks
65%synergy
Otharri, Suns' Glory
71%inclusion17 decks24 decks
65%synergy
Thornbite Staff
67%inclusion16 decks24 decks
65%synergy
Top Cards
Morbid Opportunist
75%inclusion18 decks24 decks
57%synergy
Minthara, Merciless Soul
67%inclusion16 decks24 decks
65%synergy
Shay Cormac
63%inclusion15 decks24 decks
60%synergy
Lae'zel, Vlaakith's Champion
63%inclusion15 decks24 decks
61%synergy
Swiftfoot Boots
63%inclusion15 decks24 decks
31%synergy
Dazzling Theater // Prop Room
62%inclusion13 decks21 decks
60%synergy
Maha, Its Feathers Night
61%inclusion14 decks23 decks
60%synergy
Gorgon's Head
58%inclusion14 decks24 decks
57%synergy
Magda, the Hoardmaster
58%inclusion14 decks24 decks
56%synergy
Magewright's Stone
58%inclusion14 decks24 decks
57%synergy
Game Changers
Smothering Tithe
17%inclusion4 decks24 decks
-8%synergy
Teferi's Protection
17%inclusion4 decks24 decks
-3%synergy
Jeska's Will
17%inclusion4 decks24 decks
7%synergy
Demonic Tutor
17%inclusion4 decks24 decks
-2%synergy
Enlightened Tutor
17%inclusion4 decks24 decks
5%synergy
Orcish Bowmasters
17%inclusion4 decks24 decks
11%synergy
Vampiric Tutor
17%inclusion4 decks24 decks
2%synergy
Farewell
13%inclusion3 decks24 decks
2%synergy
Ancient Tomb
8.3%inclusion2 decks24 decks
0%synergy
Creatures
Termination Facilitator
50%inclusion12 decks24 decks
48%synergy
Taii Wakeen, Perfect Shot
46%inclusion11 decks24 decks
45%synergy
Harvester of Souls
46%inclusion11 decks24 decks
43%synergy
Ertha Jo, Frontier Mentor
42%inclusion10 decks24 decks
41%synergy
Humble Defector
42%inclusion10 decks24 decks
39%synergy
Marvin, Murderous Mimic
38%inclusion8 decks21 decks
37%synergy
Daxos the Returned
38%inclusion9 decks24 decks
37%synergy
Mathas, Fiend Seeker
33%inclusion8 decks24 decks
31%synergy
Void Beckoner
33%inclusion8 decks24 decks
33%synergy
Goblin Sharpshooter
33%inclusion8 decks24 decks
33%synergy
Kalemne, Disciple of Iroas
33%inclusion8 decks24 decks
33%synergy
General's Enforcer
33%inclusion8 decks24 decks
25%synergy
Blood Cultist
29%inclusion7 decks24 decks
29%synergy
Kratos, Stoic Father
27%inclusion4 decks15 decks
26%synergy
Stoneforge Mystic
25%inclusion6 decks24 decks
22%synergy
Mother of Runes
25%inclusion6 decks24 decks
18%synergy
Esper Sentinel
25%inclusion6 decks24 decks
7%synergy
Zagras, Thief of Heartbeats
25%inclusion6 decks24 decks
24%synergy
Sun Titan
25%inclusion6 decks24 decks
14%synergy
Royal Assassin
21%inclusion5 decks24 decks
18%synergy
Puresteel Paladin
21%inclusion5 decks24 decks
17%synergy
Archetype of Finality
21%inclusion5 decks24 decks
20%synergy
Tataru Taru
18%inclusion3 decks17 decks
15%synergy
Mahadi, Emporium Master
17%inclusion4 decks24 decks
8%synergy
Assault Intercessor
17%inclusion4 decks24 decks
16%synergy
Sram, Senior Edificer
17%inclusion4 decks24 decks
14%synergy
Queen Marchesa
17%inclusion4 decks24 decks
11%synergy
Athreos, Shroud-Veiled
17%inclusion4 decks24 decks
15%synergy
Slaughter Specialist
17%inclusion4 decks24 decks
16%synergy
Azula, Ruthless Firebender
13%inclusion2 decks15 decks
13%synergy
Professional Face-Breaker
13%inclusion3 decks24 decks
-3%synergy
Lotho, Corrupt Shirriff
13%inclusion3 decks24 decks
-1%synergy
Ankle Shanker
13%inclusion3 decks24 decks
9%synergy
Bounty Hunter
13%inclusion3 decks24 decks
12%synergy
Blood Artist
13%inclusion3 decks24 decks
-6%synergy
Solphim, Mayhem Dominus
13%inclusion3 decks24 decks
12%synergy
Plargg, Dean of Chaos
13%inclusion3 decks24 decks
12%synergy
Loran of the Third Path
13%inclusion3 decks24 decks
6%synergy
Cunning Sparkmage
13%inclusion3 decks24 decks
12%synergy
Stonehewer Giant
13%inclusion3 decks24 decks
11%synergy
Qarsi Revenant
12%inclusion2 decks17 decks
9%synergy
Karlach, Fury of Avernus
8.3%inclusion2 decks24 decks
4%synergy
Metastatic Evangel
8.3%inclusion2 decks24 decks
8%synergy
Aurelia, the Warleader
8.3%inclusion2 decks24 decks
-9%synergy
Robaran Mercenaries
8.3%inclusion2 decks24 decks
8%synergy
Adarkar Valkyrie
8.3%inclusion2 decks24 decks
8%synergy
Deathbringer Thoctar
8.3%inclusion2 decks24 decks
8%synergy
Brash Taunter
8.3%inclusion2 decks24 decks
5%synergy
Intrepid Hero
8.3%inclusion2 decks24 decks
8%synergy
Gisa, the Hellraiser
8.3%inclusion2 decks24 decks
8%synergy
Instants
Swords to Plowshares
46%inclusion11 decks24 decks
-16%synergy
Boros Charm
42%inclusion10 decks24 decks
12%synergy
You Are Already Dead
42%inclusion10 decks24 decks
40%synergy
Path to Exile
33%inclusion8 decks24 decks
-13%synergy
Despark
29%inclusion7 decks24 decks
15%synergy
Crackling Doom
29%inclusion7 decks24 decks
12%synergy
Fracture
25%inclusion6 decks24 decks
19%synergy
Chaos Warp
21%inclusion5 decks24 decks
5%synergy
Mirrodin Avenged
21%inclusion5 decks24 decks
20%synergy
Anguished Unmaking
21%inclusion5 decks24 decks
-13%synergy
Deflecting Swat
21%inclusion5 decks24 decks
5%synergy
Offer Immortality
21%inclusion5 decks24 decks
20%synergy
Generous Gift
21%inclusion5 decks24 decks
3%synergy
To Arms!
17%inclusion4 decks24 decks
16%synergy
Bladebrand
17%inclusion4 decks24 decks
16%synergy
Mortify
17%inclusion4 decks24 decks
1%synergy
Deadly Rollick
13%inclusion3 decks24 decks
1%synergy
Toxin Analysis
13%inclusion3 decks24 decks
12%synergy
Blessed Alliance
13%inclusion3 decks24 decks
12%synergy
Terminate
13%inclusion3 decks24 decks
0%synergy
Tainted Strike
13%inclusion3 decks24 decks
12%synergy
Rakdos Charm
13%inclusion3 decks24 decks
4%synergy
Call to Glory
13%inclusion3 decks24 decks
12%synergy
Djeru's Resolve
13%inclusion3 decks24 decks
12%synergy
Virulent Swipe
13%inclusion3 decks24 decks
12%synergy
Deflecting Palm
13%inclusion3 decks24 decks
6%synergy
Reprieve
13%inclusion3 decks24 decks
10%synergy
Stroke of Midnight
13%inclusion3 decks24 decks
1%synergy
Acrobatic Leap
8.3%inclusion2 decks24 decks
8%synergy
Ephemerate
8.3%inclusion2 decks24 decks
3%synergy
Act of Heroism
8.3%inclusion2 decks24 decks
8%synergy
Flare of Fortitude
8.3%inclusion2 decks24 decks
5%synergy
Return the Favor
8.3%inclusion2 decks24 decks
7%synergy
Blacksmith's Skill
8.3%inclusion2 decks24 decks
7%synergy
Hide // Seek
8.3%inclusion2 decks24 decks
8%synergy
Flawless Maneuver
8.3%inclusion2 decks24 decks
-6%synergy
Rally of Wings
8.3%inclusion2 decks24 decks
8%synergy
Battle-Rage Blessing
8.3%inclusion2 decks24 decks
8%synergy
Legion Leadership
8.3%inclusion2 decks24 decks
4%synergy
Wings of the Cosmos
8.3%inclusion2 decks24 decks
8%synergy
Tibalt's Trickery
8.3%inclusion2 decks24 decks
4%synergy
Touch of Moonglove
8.3%inclusion2 decks24 decks
8%synergy
Light the Way
8.3%inclusion2 decks24 decks
8%synergy
Rustler Rampage
8.3%inclusion2 decks24 decks
8%synergy
Veteran's Reflexes
8.3%inclusion2 decks24 decks
8%synergy
Great Train Heist
8.3%inclusion2 decks24 decks
4%synergy
Burst of Energy
8.3%inclusion2 decks24 decks
8%synergy
Coat with Venom
8.3%inclusion2 decks24 decks
8%synergy
Escape from Orthanc
8.3%inclusion2 decks24 decks
8%synergy
Your Temple Is Under Attack
8.3%inclusion2 decks24 decks
7%synergy
Sorceries
Ruinous Ultimatum
42%inclusion10 decks24 decks
2%synergy
Open the Armory
33%inclusion8 decks24 decks
29%synergy
Steelshaper's Gift
33%inclusion8 decks24 decks
30%synergy
Mythos of Snapdax
29%inclusion7 decks24 decks
24%synergy
Read the Bones
25%inclusion6 decks24 decks
16%synergy
Vandalblast
25%inclusion6 decks24 decks
15%synergy
Painful Truths
25%inclusion6 decks24 decks
17%synergy
Night's Whisper
25%inclusion6 decks24 decks
12%synergy
Sevinne's Reclamation
17%inclusion4 decks24 decks
9%synergy
Blasphemous Act
17%inclusion4 decks24 decks
-6%synergy
Toxic Deluge
13%inclusion3 decks24 decks
4%synergy
Sign in Blood
13%inclusion3 decks24 decks
5%synergy
Single Combat
13%inclusion3 decks24 decks
11%synergy
Call of the Death-Dweller
13%inclusion3 decks24 decks
12%synergy
Chandra's Ignition
13%inclusion3 decks24 decks
11%synergy
Diabolic Tutor
8.3%inclusion2 decks24 decks
2%synergy
Seize the Day
8.3%inclusion2 decks24 decks
7%synergy
Faithless Looting
8.3%inclusion2 decks24 decks
-7%synergy
Reanimate
8.3%inclusion2 decks24 decks
-9%synergy
Unfinished Business
8.3%inclusion2 decks24 decks
8%synergy
Legions to Ashes
8.3%inclusion2 decks24 decks
6%synergy
Syphon Mind
8.3%inclusion2 decks24 decks
7%synergy
Insatiable Avarice
8.3%inclusion2 decks24 decks
6%synergy
Back in Town
8.3%inclusion2 decks24 decks
6%synergy
Promise of Loyalty
8.3%inclusion2 decks24 decks
6%synergy
Overpowering Attack
8.3%inclusion2 decks24 decks
6%synergy
Drown in Ichor
8.3%inclusion2 decks24 decks
8%synergy
Utility Artifacts
Shadowspear
42%inclusion10 decks24 decks
37%synergy
Quietus Spike
38%inclusion9 decks24 decks
36%synergy
Thousand-Year Elixir
38%inclusion9 decks24 decks
36%synergy
Illusionist's Bracers
33%inclusion8 decks24 decks
32%synergy
Glaring Spotlight
25%inclusion6 decks24 decks
25%synergy
Gorgon Flail
25%inclusion6 decks24 decks
24%synergy
Lightning Greaves
25%inclusion6 decks24 decks
-9%synergy
Hunter's Blowgun
21%inclusion5 decks24 decks
20%synergy
Mithril Coat
17%inclusion4 decks24 decks
11%synergy
Halo Fountain
13%inclusion3 decks24 decks
12%synergy
The Reaver Cleaver
13%inclusion3 decks24 decks
6%synergy
Robe of Stars
13%inclusion3 decks24 decks
12%synergy
Wayfarer's Bauble
8.3%inclusion2 decks24 decks
0%synergy
Hidden Blade
8.3%inclusion2 decks24 decks
8%synergy
Sword of Truth and Justice
8.3%inclusion2 decks24 decks
8%synergy
Embercleave
8.3%inclusion2 decks24 decks
5%synergy
Whispersilk Cloak
8.3%inclusion2 decks24 decks
3%synergy
Rings of Brighthearth
8.3%inclusion2 decks24 decks
8%synergy
Caduceus, Staff of Hermes
8.3%inclusion2 decks24 decks
7%synergy
Sunforger
8.3%inclusion2 decks24 decks
5%synergy
Brotherhood Regalia
8.3%inclusion2 decks24 decks
5%synergy
Helm of the Host
8.3%inclusion2 decks24 decks
2%synergy
Hammer of Nazahn
8.3%inclusion2 decks24 decks
6%synergy
Neko-Te
8.3%inclusion2 decks24 decks
8%synergy
Loxodon Warhammer
8.3%inclusion2 decks24 decks
6%synergy
Puppet Strings
8.3%inclusion2 decks24 decks
8%synergy
Dragonfire Blade
5.9%inclusion1 decks17 decks
4%synergy
Enchantments
Gift of Doom
42%inclusion10 decks24 decks
41%synergy
Phyrexian Arena
42%inclusion10 decks24 decks
23%synergy
All-Out Assault
41%inclusion7 decks17 decks
29%synergy
Reconnaissance
29%inclusion7 decks24 decks
18%synergy
Fighter Class
25%inclusion6 decks24 decks
22%synergy
Revel in Riches
25%inclusion6 decks24 decks
18%synergy
Trouble in Pairs
25%inclusion6 decks24 decks
20%synergy
Black Market
21%inclusion5 decks24 decks
15%synergy
Aspect of Gorgon
21%inclusion5 decks24 decks
20%synergy
Sparring Regimen
17%inclusion4 decks24 decks
17%synergy
Sigarda's Aid
17%inclusion4 decks24 decks
14%synergy
Black Market Connections
17%inclusion4 decks24 decks
1%synergy
Ghostly Prison
17%inclusion4 decks24 decks
9%synergy
Grave Betrayal
13%inclusion3 decks24 decks
12%synergy
Forge Anew
13%inclusion3 decks24 decks
10%synergy
Agent of the Shadow Thieves
13%inclusion3 decks24 decks
12%synergy
At Knifepoint
13%inclusion3 decks24 decks
11%synergy
Eternal Thirst
13%inclusion3 decks24 decks
12%synergy
Land Tax
13%inclusion3 decks24 decks
6%synergy
Darksteel Mutation
8.3%inclusion2 decks24 decks
7%synergy
Brave the Sands
8.3%inclusion2 decks24 decks
6%synergy
Life Insurance
8.3%inclusion2 decks24 decks
6%synergy
Phyresis
8.3%inclusion2 decks24 decks
8%synergy
Blind Obedience
8.3%inclusion2 decks24 decks
3%synergy
Death Pits of Rath
8.3%inclusion2 decks24 decks
8%synergy
Nowhere to Run
8.3%inclusion2 decks24 decks
8%synergy
High Ground
8.3%inclusion2 decks24 decks
8%synergy
Animate Dead
8.3%inclusion2 decks24 decks
0%synergy
Super State
6.3%inclusion1 decks16 decks
6%synergy
Chorale of the Void
6.3%inclusion1 decks16 decks
6%synergy
Eye of Nidhogg
5.9%inclusion1 decks17 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion3 decks24 decks
12%synergy
Utility Lands
Vault of the Archangel
46%inclusion11 decks24 decks
23%synergy
Bojuka Bog
42%inclusion10 decks24 decks
11%synergy
Rogue's Passage
42%inclusion10 decks24 decks
18%synergy
Arcane Lighthouse
33%inclusion8 decks24 decks
32%synergy
Detection Tower
29%inclusion7 decks24 decks
29%synergy
Shizo, Death's Storehouse
17%inclusion4 decks24 decks
10%synergy
Urza's Saga
17%inclusion4 decks24 decks
12%synergy
Sunhome, Fortress of the Legion
17%inclusion4 decks24 decks
13%synergy
Urborg, Tomb of Yawgmoth
17%inclusion4 decks24 decks
3%synergy
Buried Ruin
13%inclusion3 decks24 decks
9%synergy
Flamekin Village
8.3%inclusion2 decks24 decks
8%synergy
Spymaster's Vault
8.3%inclusion2 decks24 decks
7%synergy
Reliquary Tower
8.3%inclusion2 decks24 decks
-7%synergy
Bonders' Enclave
8.3%inclusion2 decks24 decks
7%synergy
Axgard Armory
8.3%inclusion2 decks24 decks
6%synergy
Mana Artifacts
Arcane Signet
88%inclusion21 decks24 decks
2%synergy
Sol Ring
79%inclusion19 decks24 decks
-9%synergy
Patriar's Seal
67%inclusion16 decks24 decks
65%synergy
Talisman of Hierarchy
38%inclusion9 decks24 decks
-3%synergy
Talisman of Indulgence
33%inclusion8 decks24 decks
-4%synergy
Talisman of Conviction
33%inclusion8 decks24 decks
-8%synergy
Fellwar Stone
29%inclusion7 decks24 decks
1%synergy
Orzhov Signet
25%inclusion6 decks24 decks
-6%synergy
Rakdos Signet
21%inclusion5 decks24 decks
-9%synergy
Bandit's Haul
21%inclusion5 decks24 decks
20%synergy
Boros Signet
17%inclusion4 decks24 decks
-11%synergy
Bounty Board
17%inclusion4 decks24 decks
15%synergy
Aetheric Amplifier
11%inclusion2 decks19 decks
10%synergy
Commander's Sphere
8.3%inclusion2 decks24 decks
-6%synergy
Mox Amber
8.3%inclusion2 decks24 decks
4%synergy
Mind Stone
8.3%inclusion2 decks24 decks
0%synergy
Lands
Command Tower
96%inclusion23 decks24 decks
4%synergy
Swamp
96%inclusion23 decks24 decks
1%synergy
Mountain
96%inclusion23 decks24 decks
2%synergy
Plains
96%inclusion23 decks24 decks
1%synergy
Nomad Outpost
67%inclusion16 decks24 decks
8%synergy
Exotic Orchard
58%inclusion14 decks24 decks
6%synergy
Isolated Chapel
58%inclusion14 decks24 decks
5%synergy
Clifftop Retreat
54%inclusion13 decks24 decks
3%synergy
Dragonskull Summit
50%inclusion12 decks24 decks
-2%synergy
Caves of Koilos
46%inclusion11 decks24 decks
7%synergy
Smoldering Marsh
46%inclusion11 decks24 decks
9%synergy
Sacred Foundry
42%inclusion10 decks24 decks
-3%synergy
Blood Crypt
42%inclusion10 decks24 decks
-3%synergy
Godless Shrine
42%inclusion10 decks24 decks
-6%synergy
Fetid Heath
38%inclusion9 decks24 decks
16%synergy
Marsh Flats
38%inclusion9 decks24 decks
6%synergy
Orzhov Basilica
38%inclusion9 decks24 decks
24%synergy
Battlefield Forge
33%inclusion8 decks24 decks
-7%synergy
Arid Mesa
33%inclusion8 decks24 decks
2%synergy
Vault of Champions
33%inclusion8 decks24 decks
1%synergy
Bloodstained Mire
33%inclusion8 decks24 decks
1%synergy
Savai Triome
29%inclusion7 decks24 decks
-9%synergy
Forbidden Orchard
29%inclusion7 decks24 decks
27%synergy
Shattered Landscape
25%inclusion6 decks24 decks
6%synergy
Luxury Suite
25%inclusion6 decks24 decks
-6%synergy
Rugged Prairie
25%inclusion6 decks24 decks
8%synergy
Spectator Seating
25%inclusion6 decks24 decks
-6%synergy
Rakdos Carnarium
21%inclusion5 decks24 decks
9%synergy
Boros Garrison
21%inclusion5 decks24 decks
8%synergy
Foreboding Ruins
21%inclusion5 decks24 decks
10%synergy
Tainted Peak
21%inclusion5 decks24 decks
11%synergy
Path of Ancestry
21%inclusion5 decks24 decks
-17%synergy
Reflecting Pool
21%inclusion5 decks24 decks
13%synergy
Haunted Ridge
21%inclusion5 decks24 decks
1%synergy
Temple of Silence
21%inclusion5 decks24 decks
-2%synergy
Concealed Courtyard
17%inclusion4 decks24 decks
11%synergy
Terramorphic Expanse
17%inclusion4 decks24 decks
-2%synergy
Tainted Field
17%inclusion4 decks24 decks
5%synergy
Sundown Pass
17%inclusion4 decks24 decks
-4%synergy
Furycalm Snarl
17%inclusion4 decks24 decks
7%synergy
Temple of Malice
17%inclusion4 decks24 decks
0%synergy
Graven Cairns
17%inclusion4 decks24 decks
5%synergy
Shineshadow Snarl
17%inclusion4 decks24 decks
7%synergy
Scoured Barrens
17%inclusion4 decks24 decks
8%synergy
Myriad Landscape
13%inclusion3 decks24 decks
1%synergy
Elegant Parlor
13%inclusion3 decks24 decks
3%synergy
Evolving Wilds
13%inclusion3 decks24 decks
-14%synergy
Temple of Triumph
13%inclusion3 decks24 decks
-9%synergy
Sulfurous Springs
13%inclusion3 decks24 decks
-15%synergy
Shattered Sanctum
13%inclusion3 decks24 decks
-12%synergy