Altaïr, Brotherhood Mentor (Commander) - Optimized

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
Emeritus of Woe
15%inclusion3 decks20 decks
10%synergy
Decorum Dissertation
10%inclusion2 decks20 decks
8%synergy
Fix What's Broken
5.0%inclusion1 decks20 decks
4%synergy
Turbulent Moor
4.8%inclusion1 decks21 decks
1%synergy
Eclipsed Steppe
4.8%inclusion1 decks21 decks
2%synergy
High Synergy Cards
Basilisk Collar
97%inclusion111 decks114 decks
93%synergy
Thornbite Staff
83%inclusion95 decks114 decks
82%synergy
Vorpal Sword
78%inclusion89 decks114 decks
76%synergy
Gorgon's Head
74%inclusion84 decks114 decks
72%synergy
Shadowspear
74%inclusion84 decks114 decks
69%synergy
Mari, the Killing Quill
73%inclusion83 decks114 decks
67%synergy
Rune of Mortality
67%inclusion76 decks114 decks
65%synergy
Drumbellower
67%inclusion76 decks114 decks
65%synergy
Otharri, Suns' Glory
66%inclusion75 decks114 decks
60%synergy
Sting, the Glinting Dagger
61%inclusion69 decks114 decks
59%synergy
Top Cards
Swiftfoot Boots
63%inclusion72 decks114 decks
32%synergy
Morbid Opportunist
61%inclusion69 decks114 decks
42%synergy
Steelshaper's Gift
59%inclusion67 decks114 decks
56%synergy
Falthis, Shadowcat Familiar
58%inclusion66 decks114 decks
57%synergy
Open the Armory
57%inclusion65 decks114 decks
53%synergy
Goblin Sharpshooter
56%inclusion64 decks114 decks
55%synergy
Shay Cormac
55%inclusion63 decks114 decks
52%synergy
Quietus Spike
54%inclusion62 decks114 decks
53%synergy
General's Enforcer
52%inclusion59 decks114 decks
44%synergy
Maha, Its Feathers Night
51%inclusion58 decks114 decks
50%synergy
Game Changers
Smothering Tithe
62%inclusion71 decks114 decks
38%synergy
Enlightened Tutor
56%inclusion64 decks114 decks
44%synergy
Demonic Tutor
55%inclusion63 decks114 decks
36%synergy
Teferi's Protection
51%inclusion58 decks114 decks
32%synergy
Vampiric Tutor
44%inclusion50 decks114 decks
30%synergy
Orcish Bowmasters
30%inclusion34 decks114 decks
24%synergy
Jeska's Will
26%inclusion30 decks114 decks
17%synergy
Ancient Tomb
25%inclusion29 decks114 decks
17%synergy
The One Ring
20%inclusion23 decks114 decks
13%synergy
Opposition Agent
16%inclusion18 decks114 decks
13%synergy
Creatures
Minthara, Merciless Soul
51%inclusion58 decks114 decks
49%synergy
Stoneforge Mystic
49%inclusion56 decks114 decks
46%synergy
Esper Sentinel
46%inclusion52 decks114 decks
27%synergy
Mother of Runes
43%inclusion49 decks114 decks
36%synergy
Puresteel Paladin
43%inclusion49 decks114 decks
39%synergy
White Plume Adventurer
31%inclusion35 decks114 decks
29%synergy
Daxos the Returned
30%inclusion34 decks114 decks
29%synergy
Harvester of Souls
29%inclusion33 decks114 decks
26%synergy
Termination Facilitator
28%inclusion32 decks114 decks
26%synergy
Void Beckoner
28%inclusion32 decks114 decks
27%synergy
Magda, the Hoardmaster
28%inclusion32 decks114 decks
26%synergy
Lae'zel, Vlaakith's Champion
28%inclusion32 decks114 decks
26%synergy
Humble Defector
25%inclusion29 decks114 decks
23%synergy
Taii Wakeen, Perfect Shot
25%inclusion29 decks114 decks
25%synergy
Akiri, Fearless Voyager
25%inclusion29 decks114 decks
23%synergy
Kalemne, Disciple of Iroas
22%inclusion25 decks114 decks
21%synergy
Blood Cultist
20%inclusion23 decks114 decks
20%synergy
Sram, Senior Edificer
20%inclusion23 decks114 decks
17%synergy
Slaughter Specialist
20%inclusion23 decks114 decks
19%synergy
Mathas, Fiend Seeker
19%inclusion22 decks114 decks
17%synergy
Queen Marchesa
19%inclusion22 decks114 decks
13%synergy
Archetype of Finality
18%inclusion21 decks114 decks
18%synergy
Sun Titan
16%inclusion18 decks114 decks
5%synergy
Grand Abolisher
16%inclusion18 decks114 decks
6%synergy
Azula, Ruthless Firebender
16%inclusion7 decks45 decks
15%synergy
Ertha Jo, Frontier Mentor
15%inclusion17 decks114 decks
14%synergy
Giver of Runes
14%inclusion16 decks114 decks
11%synergy
Zagras, Thief of Heartbeats
14%inclusion16 decks114 decks
13%synergy
Imperial Recruiter
13%inclusion15 decks114 decks
8%synergy
Marvin, Murderous Mimic
12%inclusion14 decks114 decks
11%synergy
Deathbringer Thoctar
12%inclusion14 decks114 decks
12%synergy
Cloud, Midgar Mercenary
12%inclusion10 decks83 decks
11%synergy
Kediss, Emberclaw Familiar
11%inclusion13 decks114 decks
10%synergy
Zuko, Firebending Master
11%inclusion5 decks45 decks
10%synergy
Lotho, Corrupt Shirriff
11%inclusion12 decks114 decks
-3%synergy
Athreos, Shroud-Veiled
11%inclusion12 decks114 decks
9%synergy
Drannith Magistrate
11%inclusion12 decks114 decks
8%synergy
Armored Skyhunter
11%inclusion12 decks114 decks
9%synergy
Massacre Girl, Known Killer
11%inclusion12 decks114 decks
8%synergy
Kellan, the Fae-Blooded
10%inclusion11 decks114 decks
9%synergy
Blood Artist
10%inclusion11 decks114 decks
-8%synergy
Assault Intercessor
10%inclusion11 decks114 decks
9%synergy
Dauthi Voidwalker
10%inclusion11 decks114 decks
6%synergy
Royal Assassin
10%inclusion11 decks114 decks
7%synergy
Cunning Sparkmage
10%inclusion11 decks114 decks
9%synergy
Kratos, Stoic Father
9.3%inclusion5 decks54 decks
9%synergy
Qarsi Revenant
9.2%inclusion9 decks98 decks
6%synergy
Stonehewer Giant
8.8%inclusion10 decks114 decks
8%synergy
Bureau Headmaster
8.8%inclusion10 decks114 decks
8%synergy
Hexing Squelcher
8.6%inclusion3 decks35 decks
3%synergy
Instants
Boros Charm
49%inclusion56 decks114 decks
20%synergy
Swords to Plowshares
46%inclusion53 decks114 decks
-15%synergy
Deflecting Swat
46%inclusion53 decks114 decks
31%synergy
Anguished Unmaking
42%inclusion48 decks114 decks
9%synergy
Path to Exile
39%inclusion45 decks114 decks
-7%synergy
Flawless Maneuver
27%inclusion31 decks114 decks
13%synergy
You Are Already Dead
26%inclusion30 decks114 decks
25%synergy
Generous Gift
25%inclusion29 decks114 decks
8%synergy
Stroke of Midnight
22%inclusion25 decks114 decks
10%synergy
Dawn's Truce
21%inclusion24 decks114 decks
14%synergy
Deadly Rollick
20%inclusion23 decks114 decks
9%synergy
Malakir Rebirth
20%inclusion23 decks114 decks
15%synergy
Fracture
19%inclusion22 decks114 decks
13%synergy
Mirrodin Avenged
19%inclusion22 decks114 decks
19%synergy
Crackling Doom
18%inclusion20 decks114 decks
1%synergy
Mortify
16%inclusion18 decks114 decks
0%synergy
Sejiri Shelter
16%inclusion18 decks114 decks
14%synergy
Despark
15%inclusion17 decks114 decks
1%synergy
Dark Ritual
13%inclusion15 decks114 decks
-4%synergy
Wear // Tear
13%inclusion15 decks114 decks
2%synergy
Untimely Malfunction
12%inclusion14 decks114 decks
7%synergy
Chaos Warp
11%inclusion12 decks114 decks
-5%synergy
Rakdos Charm
11%inclusion12 decks114 decks
2%synergy
Akroma's Will
11%inclusion12 decks114 decks
-3%synergy
Fell the Profane
10%inclusion11 decks114 decks
3%synergy
Imp's Mischief
10%inclusion11 decks114 decks
8%synergy
Terminate
10%inclusion11 decks114 decks
-3%synergy
Offer Immortality
10%inclusion11 decks114 decks
9%synergy
Dire Tactics
8.8%inclusion10 decks114 decks
6%synergy
Legion Leadership
8.8%inclusion10 decks114 decks
4%synergy
Valakut Awakening
8.8%inclusion10 decks114 decks
6%synergy
Tibalt's Trickery
7.9%inclusion9 decks114 decks
4%synergy
Restoration Magic
7.3%inclusion6 decks82 decks
5%synergy
Red Elemental Blast
7.0%inclusion8 decks114 decks
3%synergy
Deflecting Palm
7.0%inclusion8 decks114 decks
0%synergy
Sudden Spoiling
7.0%inclusion8 decks114 decks
6%synergy
Utter End
6.1%inclusion7 decks114 decks
2%synergy
Return to Dust
5.3%inclusion6 decks114 decks
3%synergy
Clever Concealment
5.3%inclusion6 decks114 decks
1%synergy
Tainted Strike
5.3%inclusion6 decks114 decks
5%synergy
Bedevil
5.3%inclusion6 decks114 decks
-2%synergy
Inkshield
5.3%inclusion6 decks114 decks
-3%synergy
Galadriel's Dismissal
5.3%inclusion6 decks114 decks
4%synergy
Bladebrand
5.3%inclusion6 decks114 decks
5%synergy
Bolt Bend
5.3%inclusion6 decks114 decks
3%synergy
Reprieve
5.3%inclusion6 decks114 decks
2%synergy
Sorceries
Ruinous Ultimatum
48%inclusion55 decks114 decks
9%synergy
Mythos of Snapdax
27%inclusion31 decks114 decks
22%synergy
Sevinne's Reclamation
25%inclusion28 decks114 decks
17%synergy
Vandalblast
23%inclusion26 decks114 decks
13%synergy
Chandra's Ignition
23%inclusion26 decks114 decks
21%synergy
Painful Truths
21%inclusion24 decks114 decks
13%synergy
Night's Whisper
20%inclusion23 decks114 decks
7%synergy
Toxic Deluge
18%inclusion21 decks114 decks
10%synergy
Blasphemous Act
17%inclusion19 decks114 decks
-6%synergy
Farewell
16%inclusion18 decks114 decks
6%synergy
Call of the Death-Dweller
16%inclusion18 decks114 decks
15%synergy
Read the Bones
15%inclusion17 decks114 decks
6%synergy
Sign in Blood
13%inclusion15 decks114 decks
5%synergy
Diabolic Tutor
11%inclusion13 decks114 decks
5%synergy
Vindicate
11%inclusion12 decks114 decks
5%synergy
Single Combat
10%inclusion11 decks114 decks
8%synergy
Damn
10%inclusion11 decks114 decks
-8%synergy
Reanimate
10%inclusion11 decks114 decks
-8%synergy
Unearth
8.8%inclusion10 decks114 decks
6%synergy
Gamble
7.9%inclusion9 decks114 decks
1%synergy
Austere Command
7.0%inclusion8 decks114 decks
0%synergy
Imperial Seal
7.0%inclusion8 decks114 decks
3%synergy
Faithless Looting
7.0%inclusion8 decks114 decks
-8%synergy
Drown in Ichor
7.0%inclusion8 decks114 decks
7%synergy
Grim Tutor
6.1%inclusion7 decks114 decks
2%synergy
Wheel of Fortune
6.1%inclusion7 decks114 decks
2%synergy
Idyllic Tutor
5.3%inclusion6 decks114 decks
4%synergy
Utility Artifacts
Gorgon Flail
50%inclusion57 decks114 decks
49%synergy
Magewright's Stone
40%inclusion46 decks114 decks
39%synergy
Mithril Coat
37%inclusion42 decks114 decks
31%synergy
Illusionist's Bracers
32%inclusion36 decks114 decks
30%synergy
Thousand-Year Elixir
32%inclusion36 decks114 decks
31%synergy
Hammer of Nazahn
24%inclusion27 decks114 decks
22%synergy
Lightning Greaves
24%inclusion27 decks114 decks
-11%synergy
Robe of Stars
17%inclusion19 decks114 decks
16%synergy
Sword of Feast and Famine
17%inclusion19 decks114 decks
13%synergy
Sword of Truth and Justice
16%inclusion18 decks114 decks
15%synergy
Hunter's Blowgun
16%inclusion18 decks114 decks
15%synergy
The Reaver Cleaver
15%inclusion17 decks114 decks
9%synergy
Sword of the Animist
14%inclusion16 decks114 decks
5%synergy
Darksteel Plate
12%inclusion14 decks114 decks
10%synergy
Brotherhood Regalia
12%inclusion14 decks114 decks
9%synergy
Sword of Fire and Ice
11%inclusion13 decks114 decks
10%synergy
Glaring Spotlight
11%inclusion13 decks114 decks
11%synergy
Battlemage's Bracers
11%inclusion12 decks114 decks
10%synergy
Sunforger
10%inclusion11 decks114 decks
7%synergy
Conqueror's Flail
8.8%inclusion10 decks114 decks
8%synergy
The Masamune
7.5%inclusion6 decks80 decks
7%synergy
Buster Sword
7.2%inclusion6 decks83 decks
6%synergy
Whispersilk Cloak
7.0%inclusion8 decks114 decks
1%synergy
Champion's Helm
7.0%inclusion8 decks114 decks
6%synergy
Dragonfire Blade
6.3%inclusion6 decks96 decks
5%synergy
Embercleave
6.1%inclusion7 decks114 decks
3%synergy
Trailblazer's Boots
5.3%inclusion6 decks114 decks
3%synergy
Colossus Hammer
5.3%inclusion6 decks114 decks
3%synergy
Reaper's Talisman
5.3%inclusion6 decks114 decks
5%synergy
Dowsing Dagger
5.3%inclusion6 decks114 decks
5%synergy
Helm of the Host
5.3%inclusion6 decks114 decks
-1%synergy
Enchantments
Fighter Class
50%inclusion57 decks114 decks
47%synergy
Gift of Doom
42%inclusion48 decks114 decks
41%synergy
Sigarda's Aid
40%inclusion46 decks114 decks
38%synergy
Revel in Riches
34%inclusion39 decks114 decks
28%synergy
Reconnaissance
25%inclusion29 decks114 decks
14%synergy
Black Market Connections
25%inclusion29 decks114 decks
10%synergy
Phyrexian Arena
25%inclusion29 decks114 decks
7%synergy
All-Out Assault
23%inclusion23 decks98 decks
12%synergy
Dazzling Theater // Prop Room
20%inclusion23 decks114 decks
18%synergy
Forge Anew
17%inclusion19 decks114 decks
14%synergy
Trouble in Pairs
15%inclusion17 decks114 decks
10%synergy
Aspect of Gorgon
14%inclusion16 decks114 decks
14%synergy
Blind Obedience
12%inclusion14 decks114 decks
7%synergy
Land Tax
12%inclusion14 decks114 decks
6%synergy
Black Market
10%inclusion11 decks114 decks
4%synergy
Retreat to Hagra
8.8%inclusion10 decks114 decks
8%synergy
Death Pits of Rath
8.8%inclusion10 decks114 decks
9%synergy
Agent of the Shadow Thieves
8.8%inclusion10 decks114 decks
8%synergy
Necropotence
7.9%inclusion9 decks114 decks
3%synergy
Ghostly Prison
7.9%inclusion9 decks114 decks
0%synergy
Gift of Immortality
7.0%inclusion8 decks114 decks
6%synergy
Mantle of the Ancients
6.1%inclusion7 decks114 decks
6%synergy
Grave Betrayal
5.3%inclusion6 decks114 decks
5%synergy
Phyresis
5.3%inclusion6 decks114 decks
5%synergy
Kaya's Ghostform
5.3%inclusion6 decks114 decks
3%synergy
Nowhere to Run
5.3%inclusion6 decks114 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
7.0%inclusion8 decks114 decks
7%synergy
Utility Lands
Vault of the Archangel
52%inclusion59 decks114 decks
29%synergy
Arcane Lighthouse
46%inclusion52 decks114 decks
45%synergy
Rogue's Passage
45%inclusion51 decks114 decks
21%synergy
Bojuka Bog
37%inclusion42 decks114 decks
6%synergy
Urza's Saga
34%inclusion39 decks114 decks
30%synergy
Shizo, Death's Storehouse
26%inclusion30 decks114 decks
19%synergy
Urborg, Tomb of Yawgmoth
26%inclusion30 decks114 decks
13%synergy
Detection Tower
25%inclusion28 decks114 decks
24%synergy
Buried Ruin
23%inclusion26 decks114 decks
20%synergy
Karn's Bastion
21%inclusion24 decks114 decks
20%synergy
Axgard Armory
18%inclusion21 decks114 decks
17%synergy
Eiganjo, Seat of the Empire
17%inclusion19 decks114 decks
10%synergy
Reliquary Tower
12%inclusion14 decks114 decks
-3%synergy
Command Beacon
11%inclusion12 decks114 decks
5%synergy
Sunhome, Fortress of the Legion
8.8%inclusion10 decks114 decks
5%synergy
Inventors' Fair
7.9%inclusion9 decks114 decks
5%synergy
Cabal Coffers
7.9%inclusion9 decks114 decks
5%synergy
Castle Locthwain
5.3%inclusion6 decks114 decks
3%synergy
Mana Artifacts
Sol Ring
93%inclusion106 decks114 decks
5%synergy
Arcane Signet
87%inclusion99 decks114 decks
1%synergy
Patriar's Seal
50%inclusion57 decks114 decks
48%synergy
Talisman of Hierarchy
39%inclusion45 decks114 decks
-1%synergy
Talisman of Conviction
39%inclusion44 decks114 decks
-3%synergy
Orzhov Signet
39%inclusion44 decks114 decks
8%synergy
Talisman of Indulgence
35%inclusion40 decks114 decks
-2%synergy
Boros Signet
34%inclusion39 decks114 decks
7%synergy
Rakdos Signet
28%inclusion32 decks114 decks
-1%synergy
Fellwar Stone
27%inclusion31 decks114 decks
-1%synergy
Mox Opal
13%inclusion15 decks114 decks
9%synergy
Aetheric Amplifier
11%inclusion12 decks111 decks
11%synergy
Mana Vault
11%inclusion12 decks114 decks
6%synergy
Chrome Mox
11%inclusion12 decks114 decks
6%synergy
Bounty Board
10%inclusion11 decks114 decks
8%synergy
Lotus Petal
8.8%inclusion10 decks114 decks
3%synergy
Commander's Sphere
7.9%inclusion9 decks114 decks
-6%synergy
Mox Amber
7.9%inclusion9 decks114 decks
4%synergy
Chromatic Lantern
7.0%inclusion8 decks114 decks
-4%synergy
Bandit's Haul
6.1%inclusion7 decks114 decks
5%synergy
Mox Diamond
5.3%inclusion6 decks114 decks
2%synergy
Lands
Plains
97%inclusion111 decks114 decks
2%synergy
Command Tower
96%inclusion110 decks114 decks
4%synergy
Swamp
96%inclusion109 decks114 decks
0%synergy
Mountain
93%inclusion106 decks114 decks
-1%synergy
Godless Shrine
78%inclusion89 decks114 decks
30%synergy
Sacred Foundry
76%inclusion87 decks114 decks
31%synergy
Blood Crypt
74%inclusion84 decks114 decks
29%synergy
Savai Triome
72%inclusion82 decks114 decks
34%synergy
Bloodstained Mire
61%inclusion70 decks114 decks
29%synergy
Arid Mesa
60%inclusion68 decks114 decks
28%synergy
Spectator Seating
60%inclusion68 decks114 decks
29%synergy
Marsh Flats
60%inclusion68 decks114 decks
28%synergy
Vault of Champions
57%inclusion65 decks114 decks
25%synergy
Luxury Suite
57%inclusion65 decks114 decks
26%synergy
Forbidden Orchard
46%inclusion53 decks114 decks
44%synergy
Isolated Chapel
46%inclusion52 decks114 decks
-8%synergy
Nomad Outpost
45%inclusion51 decks114 decks
-13%synergy
Clifftop Retreat
41%inclusion47 decks114 decks
-10%synergy
Exotic Orchard
39%inclusion45 decks114 decks
-13%synergy
Dragonskull Summit
39%inclusion45 decks114 decks
-13%synergy
Caves of Koilos
34%inclusion39 decks114 decks
-5%synergy
Battlefield Forge
32%inclusion37 decks114 decks
-8%synergy
Scrubland
30%inclusion34 decks114 decks
18%synergy
Badlands
29%inclusion33 decks114 decks
17%synergy
Plateau
29%inclusion33 decks114 decks
17%synergy
Shattered Sanctum
23%inclusion26 decks114 decks
-2%synergy
Sulfurous Springs
23%inclusion26 decks114 decks
-5%synergy
Sundown Pass
20%inclusion23 decks114 decks
-1%synergy
Malakir Rebirth
20%inclusion23 decks114 decks
15%synergy
Haunted Ridge
20%inclusion23 decks114 decks
0%synergy
Smoldering Marsh
18%inclusion21 decks114 decks
-18%synergy
Brightclimb Pathway
18%inclusion20 decks114 decks
9%synergy
Fetid Heath
18%inclusion20 decks114 decks
-4%synergy
Needleverge Pathway
16%inclusion18 decks114 decks
8%synergy
Sejiri Shelter
16%inclusion18 decks114 decks
14%synergy
Shadowy Backstreet
15%inclusion17 decks114 decks
4%synergy
Blazemire Verge
15%inclusion17 decks114 decks
3%synergy
Blightstep Pathway
15%inclusion17 decks114 decks
7%synergy
Evolving Wilds
14%inclusion16 decks114 decks
-12%synergy
Mana Confluence
14%inclusion16 decks114 decks
5%synergy
City of Brass
14%inclusion16 decks114 decks
4%synergy
Windswept Heath
13%inclusion15 decks114 decks
7%synergy
Rugged Prairie
13%inclusion15 decks114 decks
-4%synergy
Temple of Silence
13%inclusion15 decks114 decks
-9%synergy
Plaza of Heroes
13%inclusion15 decks114 decks
9%synergy
Fabled Passage
12%inclusion14 decks114 decks
4%synergy
Wooded Foothills
12%inclusion14 decks114 decks
6%synergy
Reflecting Pool
12%inclusion14 decks114 decks
5%synergy
Orzhov Basilica
12%inclusion14 decks114 decks
-1%synergy
Flooded Strand
12%inclusion14 decks114 decks
6%synergy