Kelsien, the Plague (Commander) - Midrange

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
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
Azula, Ruthless Firebender
14%inclusion1 decks7 decks
14%synergy
Mai, Scornful Striker
14%inclusion1 decks7 decks
13%synergy
High Synergy Cards
Basilisk Collar
84%inclusion21 decks25 decks
80%synergy
Sting, the Glinting Dagger
76%inclusion19 decks25 decks
74%synergy
Otharri, Suns' Glory
80%inclusion20 decks25 decks
74%synergy
Rune of Mortality
68%inclusion17 decks25 decks
66%synergy
Minthara, Merciless Soul
68%inclusion17 decks25 decks
66%synergy
Mari, the Killing Quill
72%inclusion18 decks25 decks
65%synergy
Drumbellower
64%inclusion16 decks25 decks
62%synergy
Gorgon's Head
60%inclusion15 decks25 decks
59%synergy
White Plume Adventurer
60%inclusion15 decks25 decks
59%synergy
Magda, the Hoardmaster
57%inclusion12 decks21 decks
55%synergy
Top Cards
Morbid Opportunist
68%inclusion17 decks25 decks
51%synergy
Ruinous Ultimatum
60%inclusion15 decks25 decks
21%synergy
Vorpal Sword
52%inclusion13 decks25 decks
50%synergy
Daxos the Returned
52%inclusion13 decks25 decks
51%synergy
Shadowspear
52%inclusion13 decks25 decks
47%synergy
Thornbite Staff
52%inclusion13 decks25 decks
50%synergy
Falthis, Shadowcat Familiar
48%inclusion12 decks25 decks
47%synergy
Anguished Unmaking
48%inclusion12 decks25 decks
14%synergy
Dazzling Theater // Prop Room
47%inclusion8 decks17 decks
45%synergy
Shay Cormac
45%inclusion9 decks20 decks
42%synergy
Game Changers
Enlightened Tutor
32%inclusion8 decks25 decks
20%synergy
Demonic Tutor
24%inclusion6 decks25 decks
5%synergy
Orcish Bowmasters
24%inclusion6 decks25 decks
19%synergy
Teferi's Protection
20%inclusion5 decks25 decks
0%synergy
Jeska's Will
20%inclusion5 decks25 decks
10%synergy
Smothering Tithe
20%inclusion5 decks25 decks
-6%synergy
The One Ring
20%inclusion5 decks25 decks
12%synergy
Vampiric Tutor
16%inclusion4 decks25 decks
1%synergy
Ancient Tomb
12%inclusion3 decks25 decks
4%synergy
Gamble
8.0%inclusion2 decks25 decks
2%synergy
Creatures
Humble Defector
44%inclusion11 decks25 decks
42%synergy
General's Enforcer
44%inclusion11 decks25 decks
35%synergy
Taii Wakeen, Perfect Shot
43%inclusion9 decks21 decks
42%synergy
Mathas, Fiend Seeker
36%inclusion9 decks25 decks
34%synergy
Termination Facilitator
36%inclusion9 decks25 decks
34%synergy
Esper Sentinel
36%inclusion9 decks25 decks
18%synergy
Slaughter Specialist
36%inclusion9 decks25 decks
35%synergy
Goblin Sharpshooter
36%inclusion9 decks25 decks
35%synergy
Kalemne, Disciple of Iroas
36%inclusion9 decks25 decks
35%synergy
Maha, Its Feathers Night
35%inclusion7 decks20 decks
34%synergy
Lae'zel, Vlaakith's Champion
32%inclusion8 decks25 decks
30%synergy
Ertha Jo, Frontier Mentor
29%inclusion6 decks21 decks
28%synergy
Stoneforge Mystic
28%inclusion7 decks25 decks
25%synergy
Patrolling Peacemaker
25%inclusion3 decks12 decks
25%synergy
Ankle Shanker
24%inclusion6 decks25 decks
21%synergy
Harvester of Souls
24%inclusion6 decks25 decks
21%synergy
Void Beckoner
24%inclusion6 decks25 decks
23%synergy
Athreos, Shroud-Veiled
24%inclusion6 decks25 decks
23%synergy
Weathered Wayfarer
20%inclusion5 decks25 decks
18%synergy
Lotho, Corrupt Shirriff
20%inclusion5 decks25 decks
6%synergy
Ragavan, Nimble Pilferer
20%inclusion5 decks25 decks
12%synergy
Mother of Runes
20%inclusion5 decks25 decks
12%synergy
Gisa, Glorious Resurrector
20%inclusion5 decks25 decks
19%synergy
Karlach, Fury of Avernus
16%inclusion4 decks25 decks
12%synergy
Professional Face-Breaker
16%inclusion4 decks25 decks
1%synergy
Giver of Runes
16%inclusion4 decks25 decks
13%synergy
Clackbridge Troll
16%inclusion4 decks25 decks
16%synergy
Loran of the Third Path
16%inclusion4 decks25 decks
9%synergy
Queen Marchesa
16%inclusion4 decks25 decks
10%synergy
Grateful Apparition
16%inclusion4 decks25 decks
16%synergy
Qarsi Revenant
14%inclusion2 decks14 decks
11%synergy
Cloud, Midgar Mercenary
14%inclusion2 decks14 decks
13%synergy
Kratos, Stoic Father
13%inclusion1 decks8 decks
12%synergy
Archivist of Oghma
12%inclusion3 decks25 decks
9%synergy
Dark Confidant
12%inclusion3 decks25 decks
11%synergy
Shadrix Silverquill
12%inclusion3 decks25 decks
10%synergy
Varchild, Betrayer of Kjeldor
12%inclusion3 decks25 decks
12%synergy
Akiri, Fearless Voyager
12%inclusion3 decks25 decks
10%synergy
Hunted Bonebrute
12%inclusion3 decks25 decks
12%synergy
Massacre Girl, Known Killer
12%inclusion3 decks25 decks
10%synergy
Archetype of Finality
12%inclusion3 decks25 decks
11%synergy
Goblin Spymaster
12%inclusion3 decks25 decks
12%synergy
Dauthi Voidwalker
12%inclusion3 decks25 decks
8%synergy
Bureau Headmaster
10%inclusion2 decks20 decks
9%synergy
Pinnacle Monk
10%inclusion2 decks20 decks
7%synergy
Servant of the Stinger
10%inclusion2 decks21 decks
9%synergy
Claim Jumper
10%inclusion2 decks21 decks
8%synergy
Gisa, the Hellraiser
10%inclusion2 decks21 decks
9%synergy
Generous Plunderer
10%inclusion2 decks21 decks
6%synergy
Yes Man, Personal Securitron
9.1%inclusion2 decks22 decks
7%synergy
Instants
Boros Charm
40%inclusion10 decks25 decks
10%synergy
Swords to Plowshares
40%inclusion10 decks25 decks
-22%synergy
Stroke of Midnight
36%inclusion9 decks25 decks
24%synergy
Generous Gift
36%inclusion9 decks25 decks
17%synergy
Malakir Rebirth
32%inclusion8 decks25 decks
27%synergy
You Are Already Dead
32%inclusion8 decks25 decks
30%synergy
Chaos Warp
28%inclusion7 decks25 decks
12%synergy
Deflecting Swat
28%inclusion7 decks25 decks
13%synergy
Crackling Doom
28%inclusion7 decks25 decks
11%synergy
Mirrodin Avenged
24%inclusion6 decks25 decks
23%synergy
Fracture
24%inclusion6 decks25 decks
18%synergy
Untimely Malfunction
22%inclusion4 decks18 decks
17%synergy
Inevitable Defeat
20%inclusion3 decks15 decks
14%synergy
Despark
20%inclusion5 decks25 decks
5%synergy
Final Showdown
19%inclusion4 decks21 decks
17%synergy
Wear // Tear
16%inclusion4 decks25 decks
4%synergy
Galadriel's Dismissal
16%inclusion4 decks25 decks
14%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Deadly Rollick
12%inclusion3 decks25 decks
1%synergy
Everybody Lives!
12%inclusion3 decks25 decks
11%synergy
Flawless Maneuver
12%inclusion3 decks25 decks
-2%synergy
Dark Ritual
12%inclusion3 decks25 decks
-4%synergy
Offer Immortality
12%inclusion3 decks25 decks
11%synergy
Return the Favor
10%inclusion2 decks21 decks
8%synergy
Dire Tactics
8.0%inclusion2 decks25 decks
5%synergy
Loran's Escape
8.0%inclusion2 decks25 decks
7%synergy
Whisper of the Dross
8.0%inclusion2 decks25 decks
8%synergy
Soul Shatter
8.0%inclusion2 decks25 decks
6%synergy
Tibalt's Trickery
8.0%inclusion2 decks25 decks
4%synergy
Big Score
8.0%inclusion2 decks25 decks
-2%synergy
Disenchant
8.0%inclusion2 decks25 decks
6%synergy
Bladebrand
8.0%inclusion2 decks25 decks
7%synergy
Touch of Moonglove
8.0%inclusion2 decks25 decks
8%synergy
Sejiri Shelter
8.0%inclusion2 decks25 decks
6%synergy
Reprieve
8.0%inclusion2 decks25 decks
5%synergy
Tragic Slip
8.0%inclusion2 decks25 decks
7%synergy
Valakut Awakening
8.0%inclusion2 decks25 decks
5%synergy
Restoration Magic
7.1%inclusion1 decks14 decks
5%synergy
Withering Torment
5.6%inclusion1 decks18 decks
4%synergy
Flare of Fortitude
5.0%inclusion1 decks20 decks
2%synergy
Sorceries
Mythos of Snapdax
40%inclusion10 decks25 decks
34%synergy
Painful Truths
40%inclusion10 decks25 decks
31%synergy
Open the Armory
36%inclusion9 decks25 decks
31%synergy
Vandalblast
32%inclusion8 decks25 decks
21%synergy
Night's Whisper
32%inclusion8 decks25 decks
19%synergy
Call of the Death-Dweller
32%inclusion8 decks25 decks
32%synergy
Read the Bones
28%inclusion7 decks25 decks
18%synergy
Steelshaper's Gift
24%inclusion6 decks25 decks
21%synergy
Single Combat
20%inclusion5 decks25 decks
18%synergy
Drown in Ichor
20%inclusion5 decks25 decks
20%synergy
Sevinne's Reclamation
16%inclusion4 decks25 decks
8%synergy
Faithless Looting
16%inclusion4 decks25 decks
1%synergy
Blasphemous Act
16%inclusion4 decks25 decks
-7%synergy
Wheel of Fortune
16%inclusion4 decks25 decks
12%synergy
Toxic Deluge
16%inclusion4 decks25 decks
8%synergy
Damn
16%inclusion4 decks25 decks
-2%synergy
Sign in Blood
16%inclusion4 decks25 decks
8%synergy
Farewell
12%inclusion3 decks25 decks
1%synergy
Agadeem's Awakening
12%inclusion3 decks25 decks
10%synergy
Chandra's Ignition
12%inclusion3 decks25 decks
10%synergy
Bloodsoaked Insight
10%inclusion2 decks20 decks
8%synergy
Sundering Eruption
10%inclusion2 decks20 decks
7%synergy
Wheel of Misfortune
8.0%inclusion2 decks25 decks
6%synergy
Secret Rendezvous
8.0%inclusion2 decks25 decks
6%synergy
Damning Verdict
8.0%inclusion2 decks25 decks
7%synergy
Vindicate
8.0%inclusion2 decks25 decks
2%synergy
Unfinished Business
8.0%inclusion2 decks25 decks
7%synergy
Search for Glory
8.0%inclusion2 decks25 decks
7%synergy
Nibelheim Aflame
7.1%inclusion1 decks14 decks
7%synergy
Blasphemous Edict
5.9%inclusion1 decks17 decks
1%synergy
Tempt with Bunnies
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Gorgon Flail
40%inclusion10 decks25 decks
39%synergy
Magewright's Stone
36%inclusion9 decks25 decks
35%synergy
Quietus Spike
32%inclusion8 decks25 decks
31%synergy
Illusionist's Bracers
32%inclusion8 decks25 decks
30%synergy
Swiftfoot Boots
32%inclusion8 decks25 decks
1%synergy
Halo Fountain
28%inclusion7 decks25 decks
27%synergy
Thousand-Year Elixir
28%inclusion7 decks25 decks
27%synergy
Genesis Chamber
16%inclusion4 decks25 decks
16%synergy
Mithril Coat
16%inclusion4 decks25 decks
10%synergy
Hunter's Blowgun
16%inclusion4 decks25 decks
15%synergy
Lightning Greaves
16%inclusion4 decks25 decks
-18%synergy
Dowsing Dagger
12%inclusion3 decks25 decks
11%synergy
Peter Parker's Camera
11%inclusion1 decks9 decks
11%synergy
Brotherhood Regalia
10%inclusion2 decks20 decks
7%synergy
Requiem Monolith
9.1%inclusion1 decks11 decks
8%synergy
The Seriema
8.3%inclusion1 decks12 decks
7%synergy
Long-Range Sensor
8.3%inclusion1 decks12 decks
7%synergy
Glaring Spotlight
8.0%inclusion2 decks25 decks
8%synergy
Wayfarer's Bauble
8.0%inclusion2 decks25 decks
-1%synergy
Embercleave
8.0%inclusion2 decks25 decks
5%synergy
Whispersilk Cloak
8.0%inclusion2 decks25 decks
2%synergy
Mask of Griselbrand
8.0%inclusion2 decks25 decks
7%synergy
Reaper's Talisman
8.0%inclusion2 decks25 decks
7%synergy
Battlemage's Bracers
8.0%inclusion2 decks25 decks
7%synergy
Sunforger
8.0%inclusion2 decks25 decks
5%synergy
Sword of the Animist
8.0%inclusion2 decks25 decks
-2%synergy
Hammer of Nazahn
8.0%inclusion2 decks25 decks
6%synergy
Archaeomancer's Map
8.0%inclusion2 decks25 decks
7%synergy
Dragonfire Blade
7.1%inclusion1 decks14 decks
6%synergy
The Fire Crystal
7.1%inclusion1 decks14 decks
4%synergy
Dissection Tools
5.9%inclusion1 decks17 decks
6%synergy
Chainsaw
5.0%inclusion1 decks20 decks
4%synergy
Caduceus, Staff of Hermes
5.0%inclusion1 decks20 decks
3%synergy
Enchantments
Gift of Doom
44%inclusion11 decks25 decks
43%synergy
All-Out Assault
36%inclusion5 decks14 decks
23%synergy
Black Market Connections
32%inclusion8 decks25 decks
16%synergy
Fighter Class
28%inclusion7 decks25 decks
25%synergy
Revel in Riches
28%inclusion7 decks25 decks
21%synergy
Reconnaissance
24%inclusion6 decks25 decks
13%synergy
Aspect of Gorgon
24%inclusion6 decks25 decks
23%synergy
Agent of the Shadow Thieves
24%inclusion6 decks25 decks
23%synergy
At Knifepoint
24%inclusion5 decks21 decks
22%synergy
Trouble in Pairs
21%inclusion5 decks24 decks
16%synergy
Death Pits of Rath
20%inclusion5 decks25 decks
20%synergy
Land Tax
20%inclusion5 decks25 decks
14%synergy
Phyrexian Arena
20%inclusion5 decks25 decks
1%synergy
Forge Anew
16%inclusion4 decks25 decks
13%synergy
Sigarda's Aid
16%inclusion4 decks25 decks
13%synergy
Kaya's Ghostform
16%inclusion4 decks25 decks
14%synergy
Life Insurance
12%inclusion3 decks25 decks
10%synergy
Court of Ardenvale
12%inclusion3 decks25 decks
10%synergy
Spiteful Banditry
12%inclusion3 decks25 decks
10%synergy
Nowhere to Run
10%inclusion2 decks20 decks
10%synergy
Smuggler's Share
8.0%inclusion2 decks25 decks
6%synergy
Grasp of Fate
8.0%inclusion2 decks25 decks
7%synergy
Retreat to Hagra
8.0%inclusion2 decks25 decks
8%synergy
Feast of the Victorious Dead
8.0%inclusion2 decks25 decks
7%synergy
Prosperous Partnership
8.0%inclusion2 decks25 decks
6%synergy
Curse of Opulence
8.0%inclusion2 decks25 decks
2%synergy
Sticky Fingers
8.0%inclusion2 decks25 decks
7%synergy
Eye of Nidhogg
7.1%inclusion1 decks14 decks
7%synergy
Smile at Death
6.7%inclusion1 decks15 decks
5%synergy
Grievous Wound
5.6%inclusion1 decks18 decks
5%synergy
Glasswing Grace
5.0%inclusion1 decks20 decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
12%inclusion3 decks25 decks
12%synergy
Dihada, Binder of Wills
8.0%inclusion2 decks25 decks
4%synergy
Utility Lands
Arcane Lighthouse
48%inclusion12 decks25 decks
47%synergy
Vault of the Archangel
40%inclusion10 decks25 decks
18%synergy
Bojuka Bog
32%inclusion8 decks25 decks
1%synergy
Detection Tower
24%inclusion6 decks25 decks
23%synergy
Urborg, Tomb of Yawgmoth
24%inclusion6 decks25 decks
10%synergy
Rogue's Passage
24%inclusion6 decks25 decks
1%synergy
Urza's Saga
20%inclusion5 decks25 decks
15%synergy
Karn's Bastion
20%inclusion5 decks25 decks
19%synergy
Axgard Armory
16%inclusion4 decks25 decks
14%synergy
Buried Ruin
12%inclusion3 decks25 decks
9%synergy
Scavenger Grounds
12%inclusion3 decks25 decks
11%synergy
Eiganjo, Seat of the Empire
12%inclusion3 decks25 decks
5%synergy
Takenuma, Abandoned Mire
12%inclusion3 decks25 decks
4%synergy
Susur Secundi, Void Altar
8.3%inclusion1 decks12 decks
7%synergy
Shizo, Death's Storehouse
8.0%inclusion2 decks25 decks
1%synergy
Maze of Ith
8.0%inclusion2 decks25 decks
4%synergy
Minas Tirith
8.0%inclusion2 decks25 decks
-1%synergy
Command Beacon
8.0%inclusion2 decks25 decks
2%synergy
Field of the Dead
8.0%inclusion2 decks25 decks
7%synergy
Spymaster's Vault
5.0%inclusion1 decks20 decks
3%synergy
Mana Artifacts
Sol Ring
88%inclusion22 decks25 decks
-1%synergy
Arcane Signet
84%inclusion21 decks25 decks
-2%synergy
Patriar's Seal
56%inclusion14 decks25 decks
54%synergy
Talisman of Hierarchy
48%inclusion12 decks25 decks
7%synergy
Talisman of Conviction
44%inclusion11 decks25 decks
3%synergy
Talisman of Indulgence
36%inclusion9 decks25 decks
-1%synergy
Fellwar Stone
28%inclusion7 decks25 decks
0%synergy
Commander's Sphere
16%inclusion4 decks25 decks
1%synergy
Rakdos Signet
16%inclusion4 decks25 decks
-15%synergy
Boros Signet
16%inclusion4 decks25 decks
-13%synergy
Chromatic Lantern
16%inclusion4 decks25 decks
4%synergy
Orzhov Signet
16%inclusion4 decks25 decks
-17%synergy
Aetheric Amplifier
13%inclusion2 decks15 decks
13%synergy
Bandit's Haul
10%inclusion2 decks21 decks
8%synergy
The Soul Stone
9.1%inclusion1 decks11 decks
6%synergy
Cursed Mirror
8.0%inclusion2 decks25 decks
5%synergy
Mind Stone
8.0%inclusion2 decks25 decks
-1%synergy
Chrome Mox
8.0%inclusion2 decks25 decks
3%synergy
Hourglass of the Lost
5.0%inclusion1 decks20 decks
5%synergy
Lands
Plains
100%inclusion25 decks25 decks
5%synergy
Swamp
96%inclusion24 decks25 decks
1%synergy
Mountain
96%inclusion24 decks25 decks
2%synergy
Command Tower
92%inclusion23 decks25 decks
0%synergy
Forbidden Orchard
68%inclusion17 decks25 decks
65%synergy
Savai Triome
64%inclusion16 decks25 decks
25%synergy
Exotic Orchard
64%inclusion16 decks25 decks
13%synergy
Sacred Foundry
64%inclusion16 decks25 decks
20%synergy
Blood Crypt
60%inclusion15 decks25 decks
17%synergy
Godless Shrine
60%inclusion15 decks25 decks
13%synergy
Caves of Koilos
52%inclusion13 decks25 decks
13%synergy
Spectator Seating
52%inclusion13 decks25 decks
20%synergy
Vault of Champions
52%inclusion13 decks25 decks
18%synergy
Arid Mesa
48%inclusion12 decks25 decks
17%synergy
Marsh Flats
48%inclusion12 decks25 decks
16%synergy
Shattered Landscape
45%inclusion9 decks20 decks
26%synergy
Nomad Outpost
44%inclusion11 decks25 decks
-14%synergy
Dragonskull Summit
44%inclusion11 decks25 decks
-7%synergy
Battlefield Forge
44%inclusion11 decks25 decks
5%synergy
Isolated Chapel
44%inclusion11 decks25 decks
-8%synergy
Bloodstained Mire
44%inclusion11 decks25 decks
12%synergy
Sundown Pass
40%inclusion10 decks25 decks
19%synergy
Luxury Suite
40%inclusion10 decks25 decks
8%synergy
Clifftop Retreat
40%inclusion10 decks25 decks
-10%synergy
Sulfurous Springs
36%inclusion9 decks25 decks
9%synergy
Smoldering Marsh
32%inclusion8 decks25 decks
-4%synergy
Fetid Heath
32%inclusion8 decks25 decks
12%synergy
Malakir Rebirth
32%inclusion8 decks25 decks
27%synergy
Shattered Sanctum
28%inclusion7 decks25 decks
5%synergy
Haunted Ridge
28%inclusion7 decks25 decks
8%synergy
Rugged Prairie
24%inclusion6 decks25 decks
8%synergy
Orzhov Basilica
24%inclusion6 decks25 decks
9%synergy
Fabled Passage
20%inclusion5 decks25 decks
12%synergy
Badlands
20%inclusion5 decks25 decks
8%synergy
Plateau
20%inclusion5 decks25 decks
8%synergy
Scrubland
20%inclusion5 decks25 decks
8%synergy
Sunbaked Canyon
20%inclusion5 decks25 decks
16%synergy
Glittering Massif
17%inclusion2 decks12 decks
16%synergy
Shadowblood Ridge
16%inclusion4 decks25 decks
1%synergy
Terramorphic Expanse
16%inclusion4 decks25 decks
-4%synergy
Temple of Malice
16%inclusion4 decks25 decks
-1%synergy
Boros Garrison
16%inclusion4 decks25 decks
2%synergy
Needleverge Pathway
16%inclusion4 decks25 decks
8%synergy
Mana Confluence
16%inclusion4 decks25 decks
7%synergy
Silent Clearing
16%inclusion4 decks25 decks
12%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Starting Town
14%inclusion2 decks14 decks
11%synergy
Prismatic Vista
12%inclusion3 decks25 decks
8%synergy
Rakdos Carnarium
12%inclusion3 decks25 decks
-1%synergy
Brightclimb Pathway
12%inclusion3 decks25 decks
3%synergy