Altaïr, Brotherhood Mentor (Commander) - Upgraded Control

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
Basilisk Collar
97%inclusion35 decks36 decks
93%synergy
Rune of Mortality
81%inclusion29 decks36 decks
79%synergy
Vorpal Sword
81%inclusion29 decks36 decks
78%synergy
Thornbite Staff
75%inclusion27 decks36 decks
74%synergy
Drumbellower
69%inclusion25 decks36 decks
68%synergy
Gorgon's Head
67%inclusion24 decks36 decks
65%synergy
Minthara, Merciless Soul
64%inclusion23 decks36 decks
62%synergy
Sting, the Glinting Dagger
64%inclusion23 decks36 decks
62%synergy
Otharri, Suns' Glory
67%inclusion24 decks36 decks
61%synergy
Mari, the Killing Quill
67%inclusion24 decks36 decks
60%synergy
Top Cards
Morbid Opportunist
78%inclusion28 decks36 decks
59%synergy
Swiftfoot Boots
64%inclusion23 decks36 decks
32%synergy
General's Enforcer
61%inclusion22 decks36 decks
53%synergy
Open the Armory
58%inclusion21 decks36 decks
54%synergy
Shadowspear
56%inclusion20 decks36 decks
51%synergy
Gorgon Flail
56%inclusion20 decks36 decks
55%synergy
Gift of Doom
53%inclusion19 decks36 decks
52%synergy
Falthis, Shadowcat Familiar
53%inclusion19 decks36 decks
52%synergy
Fighter Class
53%inclusion19 decks36 decks
50%synergy
Anguished Unmaking
53%inclusion19 decks36 decks
19%synergy
Game Changers
Enlightened Tutor
33%inclusion12 decks36 decks
22%synergy
Teferi's Protection
25%inclusion9 decks36 decks
6%synergy
Smothering Tithe
25%inclusion9 decks36 decks
1%synergy
Demonic Tutor
22%inclusion8 decks36 decks
4%synergy
Farewell
14%inclusion5 decks36 decks
4%synergy
Orcish Bowmasters
11%inclusion4 decks36 decks
6%synergy
Vampiric Tutor
8.3%inclusion3 decks36 decks
-6%synergy
Jeska's Will
5.6%inclusion2 decks36 decks
-4%synergy
Opposition Agent
5.6%inclusion2 decks36 decks
3%synergy
Ancient Tomb
5.6%inclusion2 decks36 decks
-2%synergy
Creatures
Maha, Its Feathers Night
44%inclusion16 decks36 decks
43%synergy
Magda, the Hoardmaster
44%inclusion16 decks36 decks
42%synergy
Shay Cormac
44%inclusion16 decks36 decks
42%synergy
Mother of Runes
42%inclusion15 decks36 decks
34%synergy
Lae'zel, Vlaakith's Champion
39%inclusion14 decks36 decks
37%synergy
Stoneforge Mystic
36%inclusion13 decks36 decks
33%synergy
Kalemne, Disciple of Iroas
33%inclusion12 decks36 decks
33%synergy
Harvester of Souls
31%inclusion11 decks36 decks
28%synergy
Puresteel Paladin
31%inclusion11 decks36 decks
27%synergy
Sun Titan
28%inclusion10 decks36 decks
17%synergy
Mathas, Fiend Seeker
25%inclusion9 decks36 decks
23%synergy
Void Beckoner
25%inclusion9 decks36 decks
24%synergy
White Plume Adventurer
22%inclusion8 decks36 decks
21%synergy
Daxos the Returned
22%inclusion8 decks36 decks
21%synergy
Goblin Sharpshooter
22%inclusion8 decks36 decks
22%synergy
Kratos, Stoic Father
22%inclusion6 decks27 decks
22%synergy
Ertha Jo, Frontier Mentor
19%inclusion7 decks36 decks
19%synergy
Blood Artist
19%inclusion7 decks36 decks
1%synergy
Assault Intercessor
19%inclusion7 decks36 decks
19%synergy
Esper Sentinel
19%inclusion7 decks36 decks
1%synergy
Sram, Senior Edificer
19%inclusion7 decks36 decks
17%synergy
Loran of the Third Path
19%inclusion7 decks36 decks
12%synergy
Akiri, Fearless Voyager
19%inclusion7 decks36 decks
17%synergy
Humble Defector
17%inclusion6 decks36 decks
14%synergy
Deathbringer Thoctar
17%inclusion6 decks36 decks
16%synergy
Slaughter Specialist
17%inclusion6 decks36 decks
16%synergy
Taii Wakeen, Perfect Shot
14%inclusion5 decks36 decks
13%synergy
Kellan, the Fae-Blooded
14%inclusion5 decks36 decks
13%synergy
Termination Facilitator
14%inclusion5 decks36 decks
12%synergy
Athreos, Shroud-Veiled
14%inclusion5 decks36 decks
13%synergy
Stonehewer Giant
14%inclusion5 decks36 decks
13%synergy
Queen Marchesa
14%inclusion5 decks36 decks
8%synergy
Marvin, Murderous Mimic
11%inclusion4 decks36 decks
10%synergy
Giver of Runes
11%inclusion4 decks36 decks
8%synergy
Vulshok Sorcerer
11%inclusion4 decks36 decks
11%synergy
Bastion Protector
11%inclusion4 decks36 decks
10%synergy
Armored Skyhunter
11%inclusion4 decks36 decks
9%synergy
Bureau Headmaster
11%inclusion4 decks36 decks
11%synergy
Archetype of Finality
11%inclusion4 decks36 decks
10%synergy
Patrolling Peacemaker
11%inclusion3 decks28 decks
10%synergy
Hexing Squelcher
10%inclusion2 decks20 decks
5%synergy
Cloud, Midgar Mercenary
10%inclusion3 decks31 decks
9%synergy
Deadpool, Trading Card
9.4%inclusion3 decks32 decks
8%synergy
Solemn Simulacrum
8.3%inclusion3 decks36 decks
-4%synergy
Blood Cultist
8.3%inclusion3 decks36 decks
8%synergy
Karlach, Fury of Avernus
8.3%inclusion3 decks36 decks
4%synergy
Aurelia, the Warleader
8.3%inclusion3 decks36 decks
-10%synergy
Ankle Shanker
8.3%inclusion3 decks36 decks
5%synergy
Species Specialist
8.3%inclusion3 decks36 decks
6%synergy
Alesha, Who Smiles at Death
8.3%inclusion3 decks36 decks
5%synergy
Instants
Swords to Plowshares
44%inclusion16 decks36 decks
-17%synergy
Stroke of Midnight
39%inclusion14 decks36 decks
27%synergy
Generous Gift
39%inclusion14 decks36 decks
21%synergy
Boros Charm
36%inclusion13 decks36 decks
7%synergy
Path to Exile
31%inclusion11 decks36 decks
-16%synergy
You Are Already Dead
25%inclusion9 decks36 decks
23%synergy
Crackling Doom
22%inclusion8 decks36 decks
5%synergy
Dire Tactics
19%inclusion7 decks36 decks
17%synergy
Flawless Maneuver
19%inclusion7 decks36 decks
5%synergy
Wear // Tear
19%inclusion7 decks36 decks
8%synergy
Despark
19%inclusion7 decks36 decks
6%synergy
Chaos Warp
17%inclusion6 decks36 decks
1%synergy
Deflecting Swat
17%inclusion6 decks36 decks
1%synergy
Fracture
17%inclusion6 decks36 decks
11%synergy
Rakdos Charm
14%inclusion5 decks36 decks
5%synergy
Terminate
11%inclusion4 decks36 decks
-1%synergy
Bladebrand
11%inclusion4 decks36 decks
11%synergy
Touch of Moonglove
11%inclusion4 decks36 decks
11%synergy
Sejiri Shelter
11%inclusion4 decks36 decks
9%synergy
Inkshield
11%inclusion4 decks36 decks
3%synergy
Mirrodin Avenged
11%inclusion4 decks36 decks
10%synergy
Toxin Analysis
8.3%inclusion3 decks36 decks
8%synergy
Imp's Mischief
8.3%inclusion3 decks36 decks
7%synergy
Dawn's Truce
8.3%inclusion3 decks36 decks
1%synergy
Unexpected Windfall
8.3%inclusion3 decks36 decks
3%synergy
Tainted Strike
8.3%inclusion3 decks36 decks
8%synergy
Disenchant
8.3%inclusion3 decks36 decks
7%synergy
Bedevil
8.3%inclusion3 decks36 decks
1%synergy
Valakut Awakening
8.3%inclusion3 decks36 decks
5%synergy
Mortify
8.3%inclusion3 decks36 decks
-7%synergy
Alesha's Legacy
5.9%inclusion2 decks34 decks
5%synergy
Deadly Rollick
5.6%inclusion2 decks36 decks
-6%synergy
Fell the Profane
5.6%inclusion2 decks36 decks
-1%synergy
Loran's Escape
5.6%inclusion2 decks36 decks
4%synergy
Untimely Malfunction
5.6%inclusion2 decks36 decks
1%synergy
Go for the Throat
5.6%inclusion2 decks36 decks
3%synergy
Gods Willing
5.6%inclusion2 decks36 decks
5%synergy
Dark Ritual
5.6%inclusion2 decks36 decks
-11%synergy
Abstruse Appropriation
5.6%inclusion2 decks36 decks
5%synergy
Doom Blade
5.6%inclusion2 decks36 decks
5%synergy
Blacksmith's Skill
5.6%inclusion2 decks36 decks
4%synergy
Big Score
5.6%inclusion2 decks36 decks
-5%synergy
Malakir Rebirth
5.6%inclusion2 decks36 decks
0%synergy
Legion Leadership
5.6%inclusion2 decks36 decks
1%synergy
Surge of Salvation
5.6%inclusion2 decks36 decks
4%synergy
Deflecting Palm
5.6%inclusion2 decks36 decks
-1%synergy
Reprieve
5.6%inclusion2 decks36 decks
3%synergy
Rebuff the Wicked
5.6%inclusion2 decks36 decks
4%synergy
Sorceries
Steelshaper's Gift
47%inclusion17 decks36 decks
44%synergy
Night's Whisper
42%inclusion15 decks36 decks
28%synergy
Painful Truths
36%inclusion13 decks36 decks
28%synergy
Vandalblast
33%inclusion12 decks36 decks
23%synergy
Read the Bones
33%inclusion12 decks36 decks
25%synergy
Ruinous Ultimatum
33%inclusion12 decks36 decks
-6%synergy
Sign in Blood
28%inclusion10 decks36 decks
20%synergy
Mythos of Snapdax
22%inclusion8 decks36 decks
17%synergy
Blasphemous Act
22%inclusion8 decks36 decks
-1%synergy
Call of the Death-Dweller
22%inclusion8 decks36 decks
22%synergy
Sevinne's Reclamation
19%inclusion7 decks36 decks
11%synergy
Damn
17%inclusion6 decks36 decks
-1%synergy
Grim Tutor
14%inclusion5 decks36 decks
10%synergy
Faithless Looting
11%inclusion4 decks36 decks
-4%synergy
Pirate's Pillage
11%inclusion4 decks36 decks
10%synergy
Drown in Ichor
11%inclusion4 decks36 decks
11%synergy
Chandra's Ignition
11%inclusion4 decks36 decks
9%synergy
Divine Reckoning
8.3%inclusion3 decks36 decks
8%synergy
Unearth
8.3%inclusion3 decks36 decks
6%synergy
Idyllic Tutor
8.3%inclusion3 decks36 decks
7%synergy
Feed the Swarm
8.3%inclusion3 decks36 decks
3%synergy
Single Combat
8.3%inclusion3 decks36 decks
7%synergy
Toxic Deluge
8.3%inclusion3 decks36 decks
0%synergy
Austere Command
5.6%inclusion2 decks36 decks
-2%synergy
Wrath of God
5.6%inclusion2 decks36 decks
1%synergy
Blasphemous Edict
5.6%inclusion2 decks36 decks
2%synergy
Unfinished Business
5.6%inclusion2 decks36 decks
5%synergy
Reanimate
5.6%inclusion2 decks36 decks
-12%synergy
Utility Artifacts
Magewright's Stone
44%inclusion16 decks36 decks
43%synergy
Illusionist's Bracers
39%inclusion14 decks36 decks
37%synergy
Quietus Spike
33%inclusion12 decks36 decks
32%synergy
Thousand-Year Elixir
33%inclusion12 decks36 decks
32%synergy
Lightning Greaves
31%inclusion11 decks36 decks
-4%synergy
Hunter's Blowgun
28%inclusion10 decks36 decks
27%synergy
Mithril Coat
25%inclusion9 decks36 decks
20%synergy
Whispersilk Cloak
19%inclusion7 decks36 decks
14%synergy
Brotherhood Regalia
19%inclusion7 decks36 decks
16%synergy
The Masamune
19%inclusion6 decks31 decks
19%synergy
Dragonfire Blade
18%inclusion6 decks34 decks
16%synergy
Robe of Stars
17%inclusion6 decks36 decks
16%synergy
Puppet Strings
17%inclusion6 decks36 decks
16%synergy
Hammer of Nazahn
17%inclusion6 decks36 decks
15%synergy
Glaring Spotlight
14%inclusion5 decks36 decks
14%synergy
Reaper's Talisman
14%inclusion5 decks36 decks
13%synergy
Sword of the Animist
14%inclusion5 decks36 decks
5%synergy
Wayfarer's Bauble
11%inclusion4 decks36 decks
3%synergy
Trailblazer's Boots
11%inclusion4 decks36 decks
9%synergy
Scythe of the Wretched
11%inclusion4 decks36 decks
11%synergy
Champion's Helm
11%inclusion4 decks36 decks
10%synergy
The Reaver Cleaver
8.3%inclusion3 decks36 decks
2%synergy
Umbral Mantle
8.3%inclusion3 decks36 decks
8%synergy
Skullclamp
8.3%inclusion3 decks36 decks
-21%synergy
Battlemage's Bracers
8.3%inclusion3 decks36 decks
8%synergy
Blackblade Reforged
8.3%inclusion3 decks36 decks
4%synergy
The Fire Nation Drill
7.7%inclusion2 decks26 decks
7%synergy
Bolas's Citadel
5.6%inclusion2 decks36 decks
-1%synergy
Hidden Blade
5.6%inclusion2 decks36 decks
5%synergy
Embercleave
5.6%inclusion2 decks36 decks
2%synergy
Prowler's Helm
5.6%inclusion2 decks36 decks
5%synergy
Blade of the Bloodchief
5.6%inclusion2 decks36 decks
1%synergy
Viridian Longbow
5.6%inclusion2 decks36 decks
5%synergy
Conqueror's Flail
5.6%inclusion2 decks36 decks
4%synergy
Mask of Griselbrand
5.6%inclusion2 decks36 decks
4%synergy
Rings of Brighthearth
5.6%inclusion2 decks36 decks
5%synergy
Staff of Domination
5.6%inclusion2 decks36 decks
5%synergy
Haystack
5.6%inclusion2 decks36 decks
4%synergy
Mask of Memory
5.6%inclusion2 decks36 decks
4%synergy
Dowsing Dagger
5.6%inclusion2 decks36 decks
5%synergy
Enchantments
Aspect of Gorgon
42%inclusion15 decks36 decks
41%synergy
Dazzling Theater // Prop Room
33%inclusion12 decks36 decks
31%synergy
Revel in Riches
28%inclusion10 decks36 decks
22%synergy
Phyrexian Arena
28%inclusion10 decks36 decks
9%synergy
All-Out Assault
26%inclusion9 decks34 decks
15%synergy
Sigarda's Aid
25%inclusion9 decks36 decks
22%synergy
Reconnaissance
17%inclusion6 decks36 decks
5%synergy
Grave Betrayal
17%inclusion6 decks36 decks
16%synergy
Kaya's Ghostform
17%inclusion6 decks36 decks
15%synergy
Black Market Connections
17%inclusion6 decks36 decks
1%synergy
Gift of Immortality
14%inclusion5 decks36 decks
13%synergy
Nowhere to Run
14%inclusion5 decks36 decks
13%synergy
Eye of Nidhogg
13%inclusion4 decks31 decks
12%synergy
Black Market
11%inclusion4 decks36 decks
6%synergy
Forge Anew
11%inclusion4 decks36 decks
9%synergy
Ghoulish Impetus
8.3%inclusion3 decks36 decks
7%synergy
Retreat to Hagra
8.3%inclusion3 decks36 decks
8%synergy
Eternal Thirst
8.3%inclusion3 decks36 decks
8%synergy
Agent of the Shadow Thieves
8.3%inclusion3 decks36 decks
8%synergy
At Knifepoint
8.3%inclusion3 decks36 decks
7%synergy
Trouble in Pairs
8.3%inclusion3 decks36 decks
3%synergy
Price of Glory
5.6%inclusion2 decks36 decks
5%synergy
Underworld Connections
5.6%inclusion2 decks36 decks
5%synergy
Forging the Tyrite Sword
5.6%inclusion2 decks36 decks
5%synergy
Aura of Silence
5.6%inclusion2 decks36 decks
5%synergy
Ghostly Prison
5.6%inclusion2 decks36 decks
-2%synergy
Everlasting Torment
5.6%inclusion2 decks36 decks
5%synergy
Spiteful Banditry
5.6%inclusion2 decks36 decks
4%synergy
Collective Inferno
5.3%inclusion1 decks19 decks
4%synergy
Battles
Invasion of Gobakhan
5.6%inclusion2 decks36 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
14%inclusion5 decks36 decks
14%synergy
Tezzeret, Cruel Captain
10%inclusion3 decks29 decks
10%synergy
Nahiri, the Harbinger
8.3%inclusion3 decks36 decks
8%synergy
Utility Lands
Rogue's Passage
61%inclusion22 decks36 decks
37%synergy
Bojuka Bog
58%inclusion21 decks36 decks
27%synergy
Vault of the Archangel
58%inclusion21 decks36 decks
35%synergy
Arcane Lighthouse
50%inclusion18 decks36 decks
49%synergy
Detection Tower
33%inclusion12 decks36 decks
33%synergy
Buried Ruin
22%inclusion8 decks36 decks
19%synergy
Urza's Saga
19%inclusion7 decks36 decks
15%synergy
Karn's Bastion
19%inclusion7 decks36 decks
19%synergy
Urborg, Tomb of Yawgmoth
19%inclusion7 decks36 decks
6%synergy
Reliquary Tower
14%inclusion5 decks36 decks
-1%synergy
Shizo, Death's Storehouse
11%inclusion4 decks36 decks
4%synergy
Command Beacon
8.3%inclusion3 decks36 decks
3%synergy
Eiganjo, Seat of the Empire
8.3%inclusion3 decks36 decks
2%synergy
Sunhome, Fortress of the Legion
8.3%inclusion3 decks36 decks
5%synergy
Arena of Glory
5.6%inclusion2 decks36 decks
-2%synergy
Takenuma, Abandoned Mire
5.6%inclusion2 decks36 decks
-2%synergy
Muraganda Raceway
5.6%inclusion2 decks36 decks
5%synergy
Axgard Armory
5.6%inclusion2 decks36 decks
4%synergy
Mana Artifacts
Arcane Signet
89%inclusion32 decks36 decks
3%synergy
Sol Ring
83%inclusion30 decks36 decks
-5%synergy
Patriar's Seal
56%inclusion20 decks36 decks
54%synergy
Talisman of Indulgence
50%inclusion18 decks36 decks
13%synergy
Rakdos Signet
47%inclusion17 decks36 decks
19%synergy
Talisman of Hierarchy
47%inclusion17 decks36 decks
6%synergy
Orzhov Signet
47%inclusion17 decks36 decks
17%synergy
Talisman of Conviction
42%inclusion15 decks36 decks
-0%synergy
Boros Signet
39%inclusion14 decks36 decks
12%synergy
Fellwar Stone
25%inclusion9 decks36 decks
-3%synergy
Chromatic Lantern
22%inclusion8 decks36 decks
12%synergy
Bounty Board
17%inclusion6 decks36 decks
15%synergy
Aetheric Amplifier
14%inclusion5 decks36 decks
14%synergy
Mind Stone
14%inclusion5 decks36 decks
5%synergy
Bandit's Haul
11%inclusion4 decks36 decks
10%synergy
Commander's Sphere
8.3%inclusion3 decks36 decks
-5%synergy
Thought Vessel
8.3%inclusion3 decks36 decks
3%synergy
Bender's Waterskin
7.1%inclusion2 decks28 decks
6%synergy
Paradise Mantle
5.6%inclusion2 decks36 decks
5%synergy
Lands
Command Tower
97%inclusion35 decks36 decks
5%synergy
Plains
94%inclusion34 decks36 decks
-1%synergy
Swamp
92%inclusion33 decks36 decks
-4%synergy
Mountain
89%inclusion32 decks36 decks
-5%synergy
Godless Shrine
75%inclusion27 decks36 decks
27%synergy
Sacred Foundry
69%inclusion25 decks36 decks
24%synergy
Exotic Orchard
64%inclusion23 decks36 decks
11%synergy
Nomad Outpost
64%inclusion23 decks36 decks
6%synergy
Blood Crypt
64%inclusion23 decks36 decks
19%synergy
Dragonskull Summit
64%inclusion23 decks36 decks
11%synergy
Savai Triome
61%inclusion22 decks36 decks
24%synergy
Caves of Koilos
61%inclusion22 decks36 decks
22%synergy
Isolated Chapel
58%inclusion21 decks36 decks
5%synergy
Battlefield Forge
58%inclusion21 decks36 decks
17%synergy
Luxury Suite
50%inclusion18 decks36 decks
19%synergy
Spectator Seating
50%inclusion18 decks36 decks
19%synergy
Clifftop Retreat
50%inclusion18 decks36 decks
-2%synergy
Vault of Champions
50%inclusion18 decks36 decks
18%synergy
Marsh Flats
47%inclusion17 decks36 decks
16%synergy
Sulfurous Springs
47%inclusion17 decks36 decks
19%synergy
Forbidden Orchard
44%inclusion16 decks36 decks
42%synergy
Haunted Ridge
42%inclusion15 decks36 decks
22%synergy
Bloodstained Mire
42%inclusion15 decks36 decks
9%synergy
Shattered Sanctum
39%inclusion14 decks36 decks
14%synergy
Sundown Pass
36%inclusion13 decks36 decks
15%synergy
Arid Mesa
36%inclusion13 decks36 decks
5%synergy
Fetid Heath
33%inclusion12 decks36 decks
12%synergy
Rugged Prairie
33%inclusion12 decks36 decks
16%synergy
Smoldering Marsh
31%inclusion11 decks36 decks
-6%synergy
Graven Cairns
28%inclusion10 decks36 decks
16%synergy
Path of Ancestry
28%inclusion10 decks36 decks
-10%synergy
Plaza of Heroes
25%inclusion9 decks36 decks
21%synergy
Needleverge Pathway
22%inclusion8 decks36 decks
15%synergy
Brightclimb Pathway
19%inclusion7 decks36 decks
11%synergy
Shattered Landscape
19%inclusion7 decks36 decks
1%synergy
Blightstep Pathway
19%inclusion7 decks36 decks
12%synergy
Tainted Field
17%inclusion6 decks36 decks
5%synergy
Orzhov Basilica
17%inclusion6 decks36 decks
3%synergy
Mana Confluence
17%inclusion6 decks36 decks
7%synergy
City of Brass
17%inclusion6 decks36 decks
6%synergy
Temple of Malice
14%inclusion5 decks36 decks
-2%synergy
Boros Garrison
14%inclusion5 decks36 decks
2%synergy
Evolving Wilds
14%inclusion5 decks36 decks
-12%synergy
Shineshadow Snarl
14%inclusion5 decks36 decks
4%synergy
Scrubland
14%inclusion5 decks36 decks
2%synergy
Temple of Silence
14%inclusion5 decks36 decks
-8%synergy
Badlands
11%inclusion4 decks36 decks
-1%synergy
Terramorphic Expanse
11%inclusion4 decks36 decks
-8%synergy
Foreboding Ruins
11%inclusion4 decks36 decks
-0%synergy
Plateau
11%inclusion4 decks36 decks
-1%synergy