Kelsien, the Plague (Commander) - Upgraded Equipment

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #386
44decks
As CommanderAs CardAverage DeckDecksView Precon
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Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
Ezra Sassaman
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.
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Avatar's Wrath
14%inclusion1 decks7 decks
9%synergy
High Synergy Cards
Basilisk Collar
98%inclusion43 decks44 decks
93%synergy
Rune of Mortality
89%inclusion39 decks44 decks
87%synergy
Sting, the Glinting Dagger
77%inclusion34 decks44 decks
75%synergy
Minthara, Merciless Soul
75%inclusion33 decks44 decks
73%synergy
Vorpal Sword
75%inclusion33 decks44 decks
73%synergy
Gorgon's Head
68%inclusion30 decks44 decks
67%synergy
Drumbellower
68%inclusion30 decks44 decks
66%synergy
Mari, the Killing Quill
73%inclusion32 decks44 decks
66%synergy
Fighter Class
68%inclusion30 decks44 decks
65%synergy
Falthis, Shadowcat Familiar
66%inclusion29 decks44 decks
65%synergy
Top Cards
Morbid Opportunist
75%inclusion33 decks44 decks
58%synergy
General's Enforcer
73%inclusion32 decks44 decks
64%synergy
Otharri, Suns' Glory
68%inclusion30 decks44 decks
62%synergy
Swiftfoot Boots
68%inclusion30 decks44 decks
37%synergy
Open the Armory
66%inclusion29 decks44 decks
61%synergy
Thornbite Staff
66%inclusion29 decks44 decks
64%synergy
Gift of Doom
59%inclusion26 decks44 decks
58%synergy
Shadowspear
57%inclusion25 decks44 decks
52%synergy
Shay Cormac
57%inclusion25 decks44 decks
54%synergy
Boros Charm
52%inclusion23 decks44 decks
22%synergy
Game Changers
Enlightened Tutor
25%inclusion11 decks44 decks
13%synergy
Teferi's Protection
18%inclusion8 decks44 decks
-2%synergy
Smothering Tithe
18%inclusion8 decks44 decks
-8%synergy
Demonic Tutor
16%inclusion7 decks44 decks
-4%synergy
Vampiric Tutor
6.8%inclusion3 decks44 decks
-8%synergy
Creatures
Lae'zel, Vlaakith's Champion
50%inclusion22 decks44 decks
48%synergy
Magda, the Hoardmaster
48%inclusion21 decks44 decks
46%synergy
White Plume Adventurer
45%inclusion20 decks44 decks
44%synergy
Humble Defector
43%inclusion19 decks44 decks
41%synergy
Akiri, Fearless Voyager
43%inclusion19 decks44 decks
41%synergy
Puresteel Paladin
43%inclusion19 decks44 decks
39%synergy
Stoneforge Mystic
41%inclusion18 decks44 decks
38%synergy
Slaughter Specialist
39%inclusion17 decks44 decks
38%synergy
Mother of Runes
39%inclusion17 decks44 decks
31%synergy
Void Beckoner
36%inclusion16 decks44 decks
36%synergy
Kalemne, Disciple of Iroas
36%inclusion16 decks44 decks
36%synergy
Maha, Its Feathers Night
34%inclusion15 decks44 decks
33%synergy
Harvester of Souls
34%inclusion15 decks44 decks
31%synergy
Termination Facilitator
32%inclusion14 decks44 decks
30%synergy
Kratos, Stoic Father
30%inclusion3 decks10 decks
30%synergy
Daxos the Returned
30%inclusion13 decks44 decks
29%synergy
Mathas, Fiend Seeker
27%inclusion12 decks44 decks
25%synergy
Sram, Senior Edificer
27%inclusion12 decks44 decks
24%synergy
Goblin Sharpshooter
27%inclusion12 decks44 decks
27%synergy
Blood Cultist
23%inclusion10 decks44 decks
22%synergy
Ertha Jo, Frontier Mentor
23%inclusion10 decks44 decks
22%synergy
Taii Wakeen, Perfect Shot
23%inclusion10 decks44 decks
22%synergy
Esper Sentinel
23%inclusion10 decks44 decks
4%synergy
Sun Titan
23%inclusion10 decks44 decks
12%synergy
Stonehewer Giant
23%inclusion10 decks44 decks
22%synergy
Giver of Runes
20%inclusion9 decks44 decks
18%synergy
Armored Skyhunter
20%inclusion9 decks44 decks
18%synergy
Marvin, Murderous Mimic
19%inclusion8 decks43 decks
17%synergy
Kellan, the Fae-Blooded
18%inclusion8 decks44 decks
17%synergy
Zagras, Thief of Heartbeats
18%inclusion8 decks44 decks
17%synergy
Cunning Sparkmage
18%inclusion8 decks44 decks
18%synergy
Ankle Shanker
16%inclusion7 decks44 decks
12%synergy
Assault Intercessor
16%inclusion7 decks44 decks
15%synergy
Deathbringer Thoctar
16%inclusion7 decks44 decks
16%synergy
Vulshok Sorcerer
16%inclusion7 decks44 decks
16%synergy
Solemn Simulacrum
14%inclusion6 decks44 decks
1%synergy
Massacre Girl, Known Killer
14%inclusion6 decks44 decks
11%synergy
Reyav, Master Smith
14%inclusion6 decks44 decks
13%synergy
Gisa, Glorious Resurrector
14%inclusion6 decks44 decks
13%synergy
Qarsi Revenant
12%inclusion4 decks33 decks
9%synergy
High-Society Hunter
12%inclusion5 decks43 decks
10%synergy
Professional Face-Breaker
11%inclusion5 decks44 decks
-3%synergy
Archetype of Finality
11%inclusion5 decks44 decks
10%synergy
Bureau Headmaster
11%inclusion5 decks44 decks
11%synergy
Codsworth, Handy Helper
11%inclusion5 decks44 decks
11%synergy
Cloud, Midgar Mercenary
11%inclusion3 decks27 decks
10%synergy
Karlach, Fury of Avernus
9.1%inclusion4 decks44 decks
5%synergy
Aurelia, the Warleader
9.1%inclusion4 decks44 decks
-9%synergy
Lotho, Corrupt Shirriff
9.1%inclusion4 decks44 decks
-5%synergy
Weathered Wayfarer
9.1%inclusion4 decks44 decks
7%synergy
Instants
You Are Already Dead
39%inclusion17 decks44 decks
37%synergy
Stroke of Midnight
36%inclusion16 decks44 decks
25%synergy
Swords to Plowshares
34%inclusion15 decks44 decks
-28%synergy
Generous Gift
30%inclusion13 decks44 decks
10%synergy
Anguished Unmaking
27%inclusion12 decks44 decks
-7%synergy
Mirrodin Avenged
25%inclusion11 decks44 decks
24%synergy
Crackling Doom
25%inclusion11 decks44 decks
8%synergy
Path to Exile
20%inclusion9 decks44 decks
-26%synergy
Despark
18%inclusion8 decks44 decks
3%synergy
Chaos Warp
16%inclusion7 decks44 decks
-1%synergy
Rakdos Charm
16%inclusion7 decks44 decks
7%synergy
Bladebrand
16%inclusion7 decks44 decks
15%synergy
Fracture
16%inclusion7 decks44 decks
9%synergy
Dire Tactics
14%inclusion6 decks44 decks
11%synergy
Wear // Tear
14%inclusion6 decks44 decks
2%synergy
Malakir Rebirth
14%inclusion6 decks44 decks
8%synergy
Mortify
14%inclusion6 decks44 decks
-2%synergy
Flawless Maneuver
11%inclusion5 decks44 decks
-3%synergy
Terminate
11%inclusion5 decks44 decks
-1%synergy
Sejiri Shelter
11%inclusion5 decks44 decks
9%synergy
Legion Leadership
11%inclusion5 decks44 decks
7%synergy
Imp's Mischief
9.1%inclusion4 decks44 decks
8%synergy
Deadly Dispute
9.1%inclusion4 decks44 decks
-13%synergy
Offer Immortality
9.1%inclusion4 decks44 decks
8%synergy
Alesha's Legacy
9.1%inclusion3 decks33 decks
8%synergy
Rebuff the Wicked
9.1%inclusion4 decks44 decks
8%synergy
Tainted Strike
9.1%inclusion4 decks44 decks
9%synergy
Deflecting Swat
9.1%inclusion4 decks44 decks
-6%synergy
Ephemerate
6.8%inclusion3 decks44 decks
2%synergy
Dawn's Truce
6.8%inclusion3 decks44 decks
0%synergy
Toxin Analysis
6.8%inclusion3 decks44 decks
7%synergy
Big Score
6.8%inclusion3 decks44 decks
-3%synergy
Deflecting Palm
6.8%inclusion3 decks44 decks
0%synergy
Tragic Slip
6.8%inclusion3 decks44 decks
5%synergy
Valakut Awakening
6.8%inclusion3 decks44 decks
4%synergy
Sorceries
Mythos of Snapdax
48%inclusion21 decks44 decks
42%synergy
Ruinous Ultimatum
45%inclusion20 decks44 decks
7%synergy
Steelshaper's Gift
45%inclusion20 decks44 decks
42%synergy
Night's Whisper
36%inclusion16 decks44 decks
23%synergy
Painful Truths
34%inclusion15 decks44 decks
25%synergy
Call of the Death-Dweller
27%inclusion12 decks44 decks
27%synergy
Read the Bones
25%inclusion11 decks44 decks
15%synergy
Sign in Blood
20%inclusion9 decks44 decks
12%synergy
Sevinne's Reclamation
18%inclusion8 decks44 decks
11%synergy
Chandra's Ignition
18%inclusion8 decks44 decks
16%synergy
Single Combat
16%inclusion7 decks44 decks
14%synergy
Vandalblast
14%inclusion6 decks44 decks
3%synergy
Faithless Looting
11%inclusion5 decks44 decks
-4%synergy
Damn
11%inclusion5 decks44 decks
-7%synergy
Feed the Swarm
9.1%inclusion4 decks44 decks
4%synergy
Blasphemous Act
9.1%inclusion4 decks44 decks
-13%synergy
Vindicate
9.1%inclusion4 decks44 decks
3%synergy
Divine Reckoning
6.8%inclusion3 decks44 decks
6%synergy
Promise of Loyalty
6.8%inclusion3 decks44 decks
4%synergy
Recommission
6.8%inclusion3 decks44 decks
7%synergy
Utility Artifacts
Gorgon Flail
52%inclusion23 decks44 decks
51%synergy
Quietus Spike
45%inclusion20 decks44 decks
44%synergy
Illusionist's Bracers
41%inclusion18 decks44 decks
39%synergy
Magewright's Stone
39%inclusion17 decks44 decks
37%synergy
Hunter's Blowgun
34%inclusion15 decks44 decks
33%synergy
Thousand-Year Elixir
32%inclusion14 decks44 decks
31%synergy
Lightning Greaves
30%inclusion13 decks44 decks
-5%synergy
Battlemage's Bracers
23%inclusion10 decks44 decks
22%synergy
Hammer of Nazahn
23%inclusion10 decks44 decks
21%synergy
Glaring Spotlight
18%inclusion8 decks44 decks
18%synergy
Brotherhood Regalia
18%inclusion8 decks44 decks
15%synergy
Sword of the Animist
18%inclusion8 decks44 decks
8%synergy
Robe of Stars
16%inclusion7 decks44 decks
15%synergy
Whispersilk Cloak
16%inclusion7 decks44 decks
10%synergy
Dragonfire Blade
16%inclusion5 decks32 decks
14%synergy
Mithril Coat
11%inclusion5 decks44 decks
5%synergy
Blackblade Reforged
11%inclusion5 decks44 decks
6%synergy
The Masamune
11%inclusion3 decks27 decks
10%synergy
Hidden Blade
9.1%inclusion4 decks44 decks
8%synergy
Scythe of the Wretched
9.1%inclusion4 decks44 decks
9%synergy
Sword of Truth and Justice
9.1%inclusion4 decks44 decks
8%synergy
Conqueror's Flail
9.1%inclusion4 decks44 decks
8%synergy
Champion's Helm
9.1%inclusion4 decks44 decks
8%synergy
Dissection Tools
7.0%inclusion3 decks43 decks
7%synergy
Masterwork of Ingenuity
6.8%inclusion3 decks44 decks
6%synergy
Wayfarer's Bauble
6.8%inclusion3 decks44 decks
-2%synergy
Halo Fountain
6.8%inclusion3 decks44 decks
6%synergy
Mask of Griselbrand
6.8%inclusion3 decks44 decks
5%synergy
Darksteel Plate
6.8%inclusion3 decks44 decks
5%synergy
Sword of Forge and Frontier
6.8%inclusion3 decks44 decks
6%synergy
Haystack
6.8%inclusion3 decks44 decks
5%synergy
Mask of Memory
6.8%inclusion3 decks44 decks
6%synergy
Puppet Strings
6.8%inclusion3 decks44 decks
7%synergy
Enchantments
Aspect of Gorgon
36%inclusion16 decks44 decks
36%synergy
All-Out Assault
33%inclusion11 decks33 decks
21%synergy
Sigarda's Aid
32%inclusion14 decks44 decks
29%synergy
Dazzling Theater // Prop Room
30%inclusion13 decks43 decks
28%synergy
Reconnaissance
25%inclusion11 decks44 decks
15%synergy
Phyrexian Arena
25%inclusion11 decks44 decks
6%synergy
Forge Anew
20%inclusion9 decks44 decks
18%synergy
Black Market Connections
20%inclusion9 decks44 decks
5%synergy
Death Pits of Rath
14%inclusion6 decks44 decks
13%synergy
Revel in Riches
14%inclusion6 decks44 decks
7%synergy
Black Market
11%inclusion5 decks44 decks
6%synergy
Forging the Tyrite Sword
11%inclusion5 decks44 decks
10%synergy
Retreat to Hagra
11%inclusion5 decks44 decks
11%synergy
Nowhere to Run
11%inclusion5 decks44 decks
11%synergy
Kaya's Ghostform
11%inclusion5 decks44 decks
9%synergy
At Knifepoint
9.1%inclusion4 decks44 decks
7%synergy
Agent of the Shadow Thieves
9.1%inclusion4 decks44 decks
8%synergy
Eye of Nidhogg
7.4%inclusion2 decks27 decks
7%synergy
Glasswing Grace
6.8%inclusion3 decks44 decks
5%synergy
Grave Betrayal
6.8%inclusion3 decks44 decks
6%synergy
Ghostly Prison
6.8%inclusion3 decks44 decks
-1%synergy
Curse of Opulence
6.8%inclusion3 decks44 decks
1%synergy
Planeswalkers
Nahiri, the Harbinger
6.8%inclusion3 decks44 decks
6%synergy
Utility Lands
Vault of the Archangel
59%inclusion26 decks44 decks
37%synergy
Rogue's Passage
57%inclusion25 decks44 decks
33%synergy
Bojuka Bog
39%inclusion17 decks44 decks
7%synergy
Arcane Lighthouse
36%inclusion16 decks44 decks
35%synergy
Detection Tower
34%inclusion15 decks44 decks
33%synergy
Axgard Armory
25%inclusion11 decks44 decks
23%synergy
Command Beacon
18%inclusion8 decks44 decks
12%synergy
Buried Ruin
16%inclusion7 decks44 decks
12%synergy
Urza's Saga
16%inclusion7 decks44 decks
11%synergy
Karn's Bastion
14%inclusion6 decks44 decks
13%synergy
Shizo, Death's Storehouse
11%inclusion5 decks44 decks
4%synergy
Sunhome, Fortress of the Legion
11%inclusion5 decks44 decks
7%synergy
Urborg, Tomb of Yawgmoth
11%inclusion5 decks44 decks
-3%synergy
Eiganjo, Seat of the Empire
9.1%inclusion4 decks44 decks
2%synergy
Reliquary Tower
9.1%inclusion4 decks44 decks
-7%synergy
Arena of Glory
6.8%inclusion3 decks44 decks
0%synergy
Mana Artifacts
Arcane Signet
84%inclusion37 decks44 decks
-2%synergy
Sol Ring
82%inclusion36 decks44 decks
-7%synergy
Patriar's Seal
61%inclusion27 decks44 decks
59%synergy
Talisman of Conviction
45%inclusion20 decks44 decks
5%synergy
Talisman of Hierarchy
43%inclusion19 decks44 decks
2%synergy
Talisman of Indulgence
39%inclusion17 decks44 decks
2%synergy
Rakdos Signet
36%inclusion16 decks44 decks
5%synergy
Boros Signet
34%inclusion15 decks44 decks
4%synergy
Orzhov Signet
32%inclusion14 decks44 decks
-2%synergy
Fellwar Stone
20%inclusion9 decks44 decks
-8%synergy
Bounty Board
18%inclusion8 decks44 decks
16%synergy
Bandit's Haul
14%inclusion6 decks44 decks
12%synergy
Chromatic Lantern
11%inclusion5 decks44 decks
-1%synergy
Aetheric Amplifier
9.3%inclusion4 decks43 decks
9%synergy
Lands
Command Tower
95%inclusion42 decks44 decks
3%synergy
Mountain
95%inclusion42 decks44 decks
2%synergy
Swamp
95%inclusion42 decks44 decks
0%synergy
Plains
93%inclusion41 decks44 decks
-2%synergy
Nomad Outpost
64%inclusion28 decks44 decks
5%synergy
Isolated Chapel
59%inclusion26 decks44 decks
8%synergy
Savai Triome
57%inclusion25 decks44 decks
18%synergy
Exotic Orchard
57%inclusion25 decks44 decks
6%synergy
Dragonskull Summit
57%inclusion25 decks44 decks
6%synergy
Battlefield Forge
57%inclusion25 decks44 decks
18%synergy
Sacred Foundry
55%inclusion24 decks44 decks
11%synergy
Caves of Koilos
52%inclusion23 decks44 decks
13%synergy
Clifftop Retreat
52%inclusion23 decks44 decks
3%synergy
Godless Shrine
50%inclusion22 decks44 decks
3%synergy
Blood Crypt
48%inclusion21 decks44 decks
5%synergy
Forbidden Orchard
48%inclusion21 decks44 decks
45%synergy
Sulfurous Springs
43%inclusion19 decks44 decks
17%synergy
Spectator Seating
43%inclusion19 decks44 decks
11%synergy
Vault of Champions
41%inclusion18 decks44 decks
7%synergy
Sundown Pass
36%inclusion16 decks44 decks
16%synergy
Shattered Sanctum
36%inclusion16 decks44 decks
13%synergy
Bloodstained Mire
36%inclusion16 decks44 decks
4%synergy
Smoldering Marsh
34%inclusion15 decks44 decks
-2%synergy
Fetid Heath
34%inclusion15 decks44 decks
15%synergy
Rugged Prairie
34%inclusion15 decks44 decks
18%synergy
Haunted Ridge
34%inclusion15 decks44 decks
14%synergy
Arid Mesa
32%inclusion14 decks44 decks
0%synergy
Marsh Flats
32%inclusion14 decks44 decks
0%synergy
Luxury Suite
32%inclusion14 decks44 decks
0%synergy
Brightclimb Pathway
27%inclusion12 decks44 decks
18%synergy
Shattered Landscape
25%inclusion11 decks44 decks
6%synergy
Path of Ancestry
25%inclusion11 decks44 decks
-12%synergy
Needleverge Pathway
25%inclusion11 decks44 decks
17%synergy
Plaza of Heroes
23%inclusion10 decks44 decks
18%synergy
Graven Cairns
20%inclusion9 decks44 decks
10%synergy
Orzhov Basilica
20%inclusion9 decks44 decks
5%synergy
Rakdos Carnarium
18%inclusion8 decks44 decks
5%synergy
Terramorphic Expanse
18%inclusion8 decks44 decks
-2%synergy
Temple of Triumph
18%inclusion8 decks44 decks
-4%synergy
Tainted Field
18%inclusion8 decks44 decks
6%synergy
Boros Garrison
18%inclusion8 decks44 decks
4%synergy
Fabled Passage
16%inclusion7 decks44 decks
8%synergy
Blightstep Pathway
16%inclusion7 decks44 decks
7%synergy
Temple of Silence
16%inclusion7 decks44 decks
-7%synergy
Evolving Wilds
16%inclusion7 decks44 decks
-11%synergy
Reflecting Pool
14%inclusion6 decks44 decks
6%synergy
Malakir Rebirth
14%inclusion6 decks44 decks
8%synergy
City of Brass
14%inclusion6 decks44 decks
4%synergy
Bleachbone Verge
12%inclusion5 decks43 decks
2%synergy
Sunbillow Verge
12%inclusion5 decks43 decks
2%synergy
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