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
17%inclusion1 decks6 decks
16%synergy
Mai, Scornful Striker
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Basilisk Collar
85%inclusion22 decks26 decks
80%synergy
Otharri, Suns' Glory
81%inclusion21 decks26 decks
75%synergy
Sting, the Glinting Dagger
73%inclusion19 decks26 decks
71%synergy
Rune of Mortality
69%inclusion18 decks26 decks
68%synergy
Minthara, Merciless Soul
69%inclusion18 decks26 decks
67%synergy
Mari, the Killing Quill
69%inclusion18 decks26 decks
62%synergy
Gorgon's Head
62%inclusion16 decks26 decks
60%synergy
Drumbellower
62%inclusion16 decks26 decks
59%synergy
White Plume Adventurer
58%inclusion15 decks26 decks
56%synergy
Magda, the Hoardmaster
57%inclusion12 decks21 decks
55%synergy
Top Cards
Morbid Opportunist
65%inclusion17 decks26 decks
48%synergy
Ruinous Ultimatum
58%inclusion15 decks26 decks
19%synergy
Daxos the Returned
54%inclusion14 decks26 decks
53%synergy
Shadowspear
54%inclusion14 decks26 decks
49%synergy
Vorpal Sword
50%inclusion13 decks26 decks
48%synergy
Thornbite Staff
50%inclusion13 decks26 decks
48%synergy
Dazzling Theater // Prop Room
47%inclusion8 decks17 decks
45%synergy
Humble Defector
46%inclusion12 decks26 decks
44%synergy
Falthis, Shadowcat Familiar
46%inclusion12 decks26 decks
45%synergy
Anguished Unmaking
46%inclusion12 decks26 decks
12%synergy
Game Changers
Enlightened Tutor
35%inclusion9 decks26 decks
22%synergy
Demonic Tutor
27%inclusion7 decks26 decks
7%synergy
Orcish Bowmasters
23%inclusion6 decks26 decks
18%synergy
Teferi's Protection
19%inclusion5 decks26 decks
-1%synergy
Jeska's Will
19%inclusion5 decks26 decks
9%synergy
Smothering Tithe
19%inclusion5 decks26 decks
-7%synergy
The One Ring
19%inclusion5 decks26 decks
11%synergy
Vampiric Tutor
15%inclusion4 decks26 decks
0%synergy
Ancient Tomb
12%inclusion3 decks26 decks
3%synergy
Gamble
7.7%inclusion2 decks26 decks
1%synergy
Creatures
Shay Cormac
45%inclusion9 decks20 decks
42%synergy
Taii Wakeen, Perfect Shot
43%inclusion9 decks21 decks
42%synergy
General's Enforcer
42%inclusion11 decks26 decks
34%synergy
Maha, Its Feathers Night
40%inclusion8 decks20 decks
39%synergy
Kalemne, Disciple of Iroas
38%inclusion10 decks26 decks
38%synergy
Mathas, Fiend Seeker
35%inclusion9 decks26 decks
32%synergy
Termination Facilitator
35%inclusion9 decks26 decks
33%synergy
Esper Sentinel
35%inclusion9 decks26 decks
16%synergy
Slaughter Specialist
35%inclusion9 decks26 decks
34%synergy
Goblin Sharpshooter
35%inclusion9 decks26 decks
34%synergy
Lae'zel, Vlaakith's Champion
31%inclusion8 decks26 decks
29%synergy
Ertha Jo, Frontier Mentor
29%inclusion6 decks21 decks
28%synergy
Ankle Shanker
27%inclusion7 decks26 decks
23%synergy
Stoneforge Mystic
27%inclusion7 decks26 decks
24%synergy
Void Beckoner
27%inclusion7 decks26 decks
26%synergy
Harvester of Souls
23%inclusion6 decks26 decks
20%synergy
Mother of Runes
23%inclusion6 decks26 decks
15%synergy
Athreos, Shroud-Veiled
23%inclusion6 decks26 decks
22%synergy
Karlach, Fury of Avernus
19%inclusion5 decks26 decks
15%synergy
Weathered Wayfarer
19%inclusion5 decks26 decks
17%synergy
Lotho, Corrupt Shirriff
19%inclusion5 decks26 decks
6%synergy
Ragavan, Nimble Pilferer
19%inclusion5 decks26 decks
12%synergy
Gisa, Glorious Resurrector
19%inclusion5 decks26 decks
18%synergy
Patrolling Peacemaker
18%inclusion2 decks11 decks
18%synergy
Professional Face-Breaker
15%inclusion4 decks26 decks
1%synergy
Giver of Runes
15%inclusion4 decks26 decks
13%synergy
Clackbridge Troll
15%inclusion4 decks26 decks
15%synergy
Loran of the Third Path
15%inclusion4 decks26 decks
9%synergy
Qarsi Revenant
15%inclusion2 decks13 decks
12%synergy
Queen Marchesa
15%inclusion4 decks26 decks
9%synergy
Archetype of Finality
15%inclusion4 decks26 decks
14%synergy
Grateful Apparition
15%inclusion4 decks26 decks
15%synergy
Cloud, Midgar Mercenary
15%inclusion2 decks13 decks
14%synergy
Kratos, Stoic Father
14%inclusion1 decks7 decks
14%synergy
Hunted Bonebrute
12%inclusion3 decks25 decks
12%synergy
Massacre Girl, Known Killer
12%inclusion3 decks25 decks
10%synergy
Archivist of Oghma
12%inclusion3 decks26 decks
9%synergy
Dark Confidant
12%inclusion3 decks26 decks
10%synergy
Shadrix Silverquill
12%inclusion3 decks26 decks
10%synergy
Varchild, Betrayer of Kjeldor
12%inclusion3 decks26 decks
11%synergy
Akiri, Fearless Voyager
12%inclusion3 decks26 decks
9%synergy
Goblin Spymaster
12%inclusion3 decks26 decks
11%synergy
Dauthi Voidwalker
12%inclusion3 decks26 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
38%inclusion10 decks26 decks
9%synergy
Stroke of Midnight
38%inclusion10 decks26 decks
27%synergy
Swords to Plowshares
38%inclusion10 decks26 decks
-24%synergy
You Are Already Dead
35%inclusion9 decks26 decks
33%synergy
Generous Gift
35%inclusion9 decks26 decks
15%synergy
Malakir Rebirth
31%inclusion8 decks26 decks
25%synergy
Crackling Doom
31%inclusion8 decks26 decks
13%synergy
Chaos Warp
27%inclusion7 decks26 decks
10%synergy
Deflecting Swat
27%inclusion7 decks26 decks
12%synergy
Despark
23%inclusion6 decks26 decks
8%synergy
Mirrodin Avenged
23%inclusion6 decks26 decks
22%synergy
Fracture
23%inclusion6 decks26 decks
17%synergy
Untimely Malfunction
22%inclusion4 decks18 decks
17%synergy
Inevitable Defeat
21%inclusion3 decks14 decks
15%synergy
Final Showdown
19%inclusion4 decks21 decks
17%synergy
Wear // Tear
15%inclusion4 decks26 decks
4%synergy
Galadriel's Dismissal
15%inclusion4 decks26 decks
14%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Deadly Rollick
12%inclusion3 decks26 decks
1%synergy
Everybody Lives!
12%inclusion3 decks26 decks
10%synergy
Flawless Maneuver
12%inclusion3 decks26 decks
-3%synergy
Dark Ritual
12%inclusion3 decks26 decks
-4%synergy
Offer Immortality
12%inclusion3 decks26 decks
10%synergy
Return the Favor
10%inclusion2 decks21 decks
8%synergy
Dire Tactics
7.7%inclusion2 decks26 decks
5%synergy
Loran's Escape
7.7%inclusion2 decks26 decks
6%synergy
Whisper of the Dross
7.7%inclusion2 decks26 decks
8%synergy
Soul Shatter
7.7%inclusion2 decks26 decks
6%synergy
Tibalt's Trickery
7.7%inclusion2 decks26 decks
4%synergy
Big Score
7.7%inclusion2 decks26 decks
-2%synergy
Disenchant
7.7%inclusion2 decks26 decks
6%synergy
Bladebrand
7.7%inclusion2 decks26 decks
7%synergy
Touch of Moonglove
7.7%inclusion2 decks26 decks
8%synergy
Sejiri Shelter
7.7%inclusion2 decks26 decks
5%synergy
Reprieve
7.7%inclusion2 decks26 decks
5%synergy
Tragic Slip
7.7%inclusion2 decks26 decks
6%synergy
Valakut Awakening
7.7%inclusion2 decks26 decks
5%synergy
Restoration Magic
7.7%inclusion1 decks13 decks
6%synergy
Withering Torment
5.6%inclusion1 decks18 decks
4%synergy
Flare of Fortitude
5.0%inclusion1 decks20 decks
2%synergy
Sorceries
Open the Armory
38%inclusion10 decks26 decks
34%synergy
Mythos of Snapdax
38%inclusion10 decks26 decks
32%synergy
Painful Truths
38%inclusion10 decks26 decks
29%synergy
Vandalblast
31%inclusion8 decks26 decks
20%synergy
Night's Whisper
31%inclusion8 decks26 decks
18%synergy
Call of the Death-Dweller
31%inclusion8 decks26 decks
30%synergy
Read the Bones
27%inclusion7 decks26 decks
17%synergy
Steelshaper's Gift
23%inclusion6 decks26 decks
20%synergy
Single Combat
19%inclusion5 decks26 decks
18%synergy
Drown in Ichor
19%inclusion5 decks26 decks
19%synergy
Sevinne's Reclamation
15%inclusion4 decks26 decks
8%synergy
Faithless Looting
15%inclusion4 decks26 decks
0%synergy
Blasphemous Act
15%inclusion4 decks26 decks
-7%synergy
Wheel of Fortune
15%inclusion4 decks26 decks
11%synergy
Toxic Deluge
15%inclusion4 decks26 decks
7%synergy
Damn
15%inclusion4 decks26 decks
-3%synergy
Sign in Blood
15%inclusion4 decks26 decks
7%synergy
Farewell
12%inclusion3 decks26 decks
0%synergy
Agadeem's Awakening
12%inclusion3 decks26 decks
9%synergy
Chandra's Ignition
12%inclusion3 decks26 decks
9%synergy
Search for Glory
12%inclusion3 decks26 decks
11%synergy
Bloodsoaked Insight
10%inclusion2 decks20 decks
8%synergy
Sundering Eruption
10%inclusion2 decks20 decks
7%synergy
Wheel of Misfortune
7.7%inclusion2 decks26 decks
6%synergy
Secret Rendezvous
7.7%inclusion2 decks26 decks
6%synergy
Damning Verdict
7.7%inclusion2 decks26 decks
7%synergy
Vindicate
7.7%inclusion2 decks26 decks
1%synergy
Unfinished Business
7.7%inclusion2 decks26 decks
7%synergy
Rip Apart
7.7%inclusion2 decks26 decks
7%synergy
Nibelheim Aflame
7.7%inclusion1 decks13 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
42%inclusion11 decks26 decks
41%synergy
Magewright's Stone
35%inclusion9 decks26 decks
33%synergy
Swiftfoot Boots
35%inclusion9 decks26 decks
3%synergy
Quietus Spike
31%inclusion8 decks26 decks
29%synergy
Illusionist's Bracers
31%inclusion8 decks26 decks
29%synergy
Halo Fountain
27%inclusion7 decks26 decks
26%synergy
Thousand-Year Elixir
27%inclusion7 decks26 decks
26%synergy
Lightning Greaves
19%inclusion5 decks26 decks
-15%synergy
Genesis Chamber
15%inclusion4 decks26 decks
15%synergy
Mithril Coat
15%inclusion4 decks26 decks
10%synergy
Hunter's Blowgun
15%inclusion4 decks26 decks
15%synergy
Peter Parker's Camera
13%inclusion1 decks8 decks
12%synergy
Whispersilk Cloak
12%inclusion3 decks26 decks
6%synergy
Dowsing Dagger
12%inclusion3 decks26 decks
11%synergy
Brotherhood Regalia
10%inclusion2 decks20 decks
7%synergy
Requiem Monolith
10%inclusion1 decks10 decks
9%synergy
The Seriema
9.1%inclusion1 decks11 decks
8%synergy
Long-Range Sensor
9.1%inclusion1 decks11 decks
8%synergy
Glaring Spotlight
7.7%inclusion2 decks26 decks
7%synergy
Wayfarer's Bauble
7.7%inclusion2 decks26 decks
-1%synergy
Embercleave
7.7%inclusion2 decks26 decks
4%synergy
Mask of Griselbrand
7.7%inclusion2 decks26 decks
6%synergy
Reaper's Talisman
7.7%inclusion2 decks26 decks
7%synergy
Battlemage's Bracers
7.7%inclusion2 decks26 decks
7%synergy
Sunforger
7.7%inclusion2 decks26 decks
4%synergy
Sword of the Animist
7.7%inclusion2 decks26 decks
-2%synergy
Hammer of Nazahn
7.7%inclusion2 decks26 decks
6%synergy
Dragonfire Blade
7.7%inclusion1 decks13 decks
6%synergy
Archaeomancer's Map
7.7%inclusion2 decks26 decks
6%synergy
The Fire Crystal
7.7%inclusion1 decks13 decks
5%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
42%inclusion11 decks26 decks
41%synergy
All-Out Assault
38%inclusion5 decks13 decks
26%synergy
Black Market Connections
31%inclusion8 decks26 decks
15%synergy
Fighter Class
27%inclusion7 decks26 decks
24%synergy
Revel in Riches
27%inclusion7 decks26 decks
20%synergy
At Knifepoint
24%inclusion5 decks21 decks
22%synergy
Reconnaissance
23%inclusion6 decks26 decks
13%synergy
Aspect of Gorgon
23%inclusion6 decks26 decks
23%synergy
Agent of the Shadow Thieves
23%inclusion6 decks26 decks
22%synergy
Trouble in Pairs
21%inclusion5 decks24 decks
16%synergy
Death Pits of Rath
19%inclusion5 decks26 decks
19%synergy
Land Tax
19%inclusion5 decks26 decks
13%synergy
Phyrexian Arena
19%inclusion5 decks26 decks
0%synergy
Forge Anew
15%inclusion4 decks26 decks
13%synergy
Sigarda's Aid
15%inclusion4 decks26 decks
12%synergy
Kaya's Ghostform
15%inclusion4 decks26 decks
13%synergy
Life Insurance
12%inclusion3 decks26 decks
9%synergy
Court of Ardenvale
12%inclusion3 decks26 decks
9%synergy
Spiteful Banditry
12%inclusion3 decks26 decks
9%synergy
Nowhere to Run
10%inclusion2 decks20 decks
10%synergy
Smuggler's Share
7.7%inclusion2 decks26 decks
5%synergy
Grasp of Fate
7.7%inclusion2 decks26 decks
7%synergy
Aggravated Assault
7.7%inclusion2 decks26 decks
3%synergy
Forging the Tyrite Sword
7.7%inclusion2 decks26 decks
7%synergy
Retreat to Hagra
7.7%inclusion2 decks26 decks
7%synergy
Feast of the Victorious Dead
7.7%inclusion2 decks26 decks
7%synergy
Prosperous Partnership
7.7%inclusion2 decks26 decks
6%synergy
Curse of Opulence
7.7%inclusion2 decks26 decks
2%synergy
Sticky Fingers
7.7%inclusion2 decks26 decks
7%synergy
Eye of Nidhogg
7.7%inclusion1 decks13 decks
7%synergy
Smile at Death
7.1%inclusion1 decks14 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 decks26 decks
11%synergy
Dihada, Binder of Wills
7.7%inclusion2 decks26 decks
3%synergy
Utility Lands
Arcane Lighthouse
46%inclusion12 decks26 decks
45%synergy
Vault of the Archangel
38%inclusion10 decks26 decks
16%synergy
Bojuka Bog
31%inclusion8 decks26 decks
0%synergy
Detection Tower
23%inclusion6 decks26 decks
22%synergy
Karn's Bastion
23%inclusion6 decks26 decks
22%synergy
Urborg, Tomb of Yawgmoth
23%inclusion6 decks26 decks
9%synergy
Rogue's Passage
23%inclusion6 decks26 decks
0%synergy
Urza's Saga
19%inclusion5 decks26 decks
15%synergy
Axgard Armory
15%inclusion4 decks26 decks
13%synergy
Buried Ruin
12%inclusion3 decks26 decks
8%synergy
Scavenger Grounds
12%inclusion3 decks26 decks
10%synergy
Eiganjo, Seat of the Empire
12%inclusion3 decks26 decks
4%synergy
Takenuma, Abandoned Mire
12%inclusion3 decks26 decks
3%synergy
Susur Secundi, Void Altar
9.1%inclusion1 decks11 decks
8%synergy
Shizo, Death's Storehouse
7.7%inclusion2 decks26 decks
0%synergy
Maze of Ith
7.7%inclusion2 decks26 decks
4%synergy
Minas Tirith
7.7%inclusion2 decks26 decks
-2%synergy
Command Beacon
7.7%inclusion2 decks26 decks
2%synergy
Field of the Dead
7.7%inclusion2 decks26 decks
6%synergy
Spymaster's Vault
5.0%inclusion1 decks20 decks
3%synergy
Mana Artifacts
Arcane Signet
85%inclusion22 decks26 decks
-2%synergy
Sol Ring
85%inclusion22 decks26 decks
-4%synergy
Patriar's Seal
54%inclusion14 decks26 decks
51%synergy
Talisman of Conviction
46%inclusion12 decks26 decks
5%synergy
Talisman of Hierarchy
46%inclusion12 decks26 decks
5%synergy
Talisman of Indulgence
35%inclusion9 decks26 decks
-2%synergy
Fellwar Stone
31%inclusion8 decks26 decks
3%synergy
Boros Signet
19%inclusion5 decks26 decks
-11%synergy
Commander's Sphere
15%inclusion4 decks26 decks
0%synergy
Rakdos Signet
15%inclusion4 decks26 decks
-16%synergy
Chromatic Lantern
15%inclusion4 decks26 decks
3%synergy
Orzhov Signet
15%inclusion4 decks26 decks
-18%synergy
Aetheric Amplifier
13%inclusion2 decks15 decks
13%synergy
The Soul Stone
10%inclusion1 decks10 decks
7%synergy
Bandit's Haul
10%inclusion2 decks21 decks
8%synergy
Cursed Mirror
7.7%inclusion2 decks26 decks
5%synergy
Mind Stone
7.7%inclusion2 decks26 decks
-1%synergy
Chrome Mox
7.7%inclusion2 decks26 decks
3%synergy
Hourglass of the Lost
5.0%inclusion1 decks20 decks
5%synergy
Lands
Plains
100%inclusion26 decks26 decks
5%synergy
Swamp
96%inclusion25 decks26 decks
1%synergy
Mountain
96%inclusion25 decks26 decks
2%synergy
Command Tower
92%inclusion24 decks26 decks
0%synergy
Forbidden Orchard
69%inclusion18 decks26 decks
66%synergy
Exotic Orchard
65%inclusion17 decks26 decks
14%synergy
Savai Triome
62%inclusion16 decks26 decks
23%synergy
Sacred Foundry
62%inclusion16 decks26 decks
18%synergy
Blood Crypt
58%inclusion15 decks26 decks
14%synergy
Godless Shrine
58%inclusion15 decks26 decks
11%synergy
Caves of Koilos
54%inclusion14 decks26 decks
14%synergy
Spectator Seating
50%inclusion13 decks26 decks
18%synergy
Vault of Champions
50%inclusion13 decks26 decks
16%synergy
Nomad Outpost
46%inclusion12 decks26 decks
-12%synergy
Battlefield Forge
46%inclusion12 decks26 decks
7%synergy
Arid Mesa
46%inclusion12 decks26 decks
15%synergy
Marsh Flats
46%inclusion12 decks26 decks
14%synergy
Shattered Landscape
45%inclusion9 decks20 decks
26%synergy
Sundown Pass
42%inclusion11 decks26 decks
21%synergy
Dragonskull Summit
42%inclusion11 decks26 decks
-9%synergy
Isolated Chapel
42%inclusion11 decks26 decks
-9%synergy
Bloodstained Mire
42%inclusion11 decks26 decks
10%synergy
Luxury Suite
38%inclusion10 decks26 decks
6%synergy
Clifftop Retreat
38%inclusion10 decks26 decks
-11%synergy
Sulfurous Springs
38%inclusion10 decks26 decks
12%synergy
Smoldering Marsh
35%inclusion9 decks26 decks
-1%synergy
Fetid Heath
35%inclusion9 decks26 decks
15%synergy
Malakir Rebirth
31%inclusion8 decks26 decks
25%synergy
Rugged Prairie
27%inclusion7 decks26 decks
11%synergy
Shattered Sanctum
27%inclusion7 decks26 decks
4%synergy
Haunted Ridge
27%inclusion7 decks26 decks
7%synergy
Orzhov Basilica
23%inclusion6 decks26 decks
8%synergy
Fabled Passage
19%inclusion5 decks26 decks
11%synergy
Badlands
19%inclusion5 decks26 decks
7%synergy
Needleverge Pathway
19%inclusion5 decks26 decks
11%synergy
Plateau
19%inclusion5 decks26 decks
7%synergy
Scrubland
19%inclusion5 decks26 decks
7%synergy
Sunbaked Canyon
19%inclusion5 decks26 decks
15%synergy
Glittering Massif
18%inclusion2 decks11 decks
17%synergy
Shadowblood Ridge
15%inclusion4 decks26 decks
0%synergy
Terramorphic Expanse
15%inclusion4 decks26 decks
-4%synergy
Graven Cairns
15%inclusion4 decks26 decks
5%synergy
Temple of Malice
15%inclusion4 decks26 decks
-2%synergy
Boros Garrison
15%inclusion4 decks26 decks
2%synergy
Mana Confluence
15%inclusion4 decks26 decks
6%synergy
City of Brass
15%inclusion4 decks26 decks
5%synergy
Silent Clearing
15%inclusion4 decks26 decks
11%synergy
Starting Town
15%inclusion2 decks13 decks
12%synergy
Legion Leadership
15%inclusion3 decks20 decks
11%synergy
Shadowy Backstreet
12%inclusion3 decks25 decks
2%synergy