Kelsien, the Plague (Commander) - Commander Matters

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #386
25decks
As CommanderAs CardAverage DeckDecksView Precon
Bracket
All12345
Budget
Any$$$$
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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Enter the Avatar State
50%inclusion1 decks2 decks
48%synergy
High Synergy Cards
Basilisk Collar
92%inclusion23 decks25 decks
87%synergy
Minthara, Merciless Soul
88%inclusion22 decks25 decks
86%synergy
Rune of Mortality
84%inclusion21 decks25 decks
82%synergy
Otharri, Suns' Glory
80%inclusion20 decks25 decks
74%synergy
Vorpal Sword
76%inclusion19 decks25 decks
74%synergy
Gorgon's Head
72%inclusion18 decks25 decks
71%synergy
Falthis, Shadowcat Familiar
64%inclusion16 decks25 decks
63%synergy
Thornbite Staff
64%inclusion16 decks25 decks
62%synergy
Shay Cormac
62%inclusion13 decks21 decks
59%synergy
Drumbellower
60%inclusion15 decks25 decks
58%synergy
Top Cards
Morbid Opportunist
68%inclusion17 decks25 decks
51%synergy
Mari, the Killing Quill
64%inclusion16 decks25 decks
57%synergy
Swords to Plowshares
60%inclusion15 decks25 decks
-2%synergy
Open the Armory
56%inclusion14 decks25 decks
51%synergy
You Are Already Dead
56%inclusion14 decks25 decks
54%synergy
Gift of Doom
52%inclusion13 decks25 decks
51%synergy
Swiftfoot Boots
52%inclusion13 decks25 decks
21%synergy
Quietus Spike
48%inclusion12 decks25 decks
47%synergy
General's Enforcer
48%inclusion12 decks25 decks
39%synergy
Sting, the Glinting Dagger
48%inclusion12 decks25 decks
46%synergy
Game Changers
Smothering Tithe
24%inclusion6 decks25 decks
-2%synergy
Enlightened Tutor
24%inclusion6 decks25 decks
12%synergy
Demonic Tutor
20%inclusion5 decks25 decks
1%synergy
Orcish Bowmasters
12%inclusion3 decks25 decks
7%synergy
Vampiric Tutor
12%inclusion3 decks25 decks
-3%synergy
Teferi's Protection
8.0%inclusion2 decks25 decks
-13%synergy
Ancient Tomb
8.0%inclusion2 decks25 decks
0%synergy
Creatures
Lae'zel, Vlaakith's Champion
48%inclusion12 decks25 decks
46%synergy
Magda, the Hoardmaster
45%inclusion10 decks22 decks
43%synergy
Humble Defector
44%inclusion11 decks25 decks
42%synergy
Harvester of Souls
44%inclusion11 decks25 decks
41%synergy
Kalemne, Disciple of Iroas
44%inclusion11 decks25 decks
43%synergy
Void Beckoner
40%inclusion10 decks25 decks
39%synergy
Maha, Its Feathers Night
38%inclusion8 decks21 decks
37%synergy
Termination Facilitator
36%inclusion9 decks25 decks
34%synergy
Puresteel Paladin
36%inclusion9 decks25 decks
32%synergy
Slaughter Specialist
36%inclusion9 decks25 decks
35%synergy
Sun Titan
36%inclusion9 decks25 decks
26%synergy
Archetype of Finality
36%inclusion9 decks25 decks
35%synergy
Mathas, Fiend Seeker
32%inclusion8 decks25 decks
30%synergy
Mother of Runes
32%inclusion8 decks25 decks
24%synergy
Daxos the Returned
32%inclusion8 decks25 decks
31%synergy
Ertha Jo, Frontier Mentor
27%inclusion6 decks22 decks
27%synergy
Taii Wakeen, Perfect Shot
27%inclusion6 decks22 decks
26%synergy
White Plume Adventurer
24%inclusion6 decks25 decks
23%synergy
Zagras, Thief of Heartbeats
24%inclusion6 decks25 decks
23%synergy
Goblin Sharpshooter
24%inclusion6 decks25 decks
23%synergy
Massacre Girl, Known Killer
22%inclusion5 decks23 decks
19%synergy
Ankle Shanker
20%inclusion5 decks25 decks
17%synergy
Stoneforge Mystic
20%inclusion5 decks25 decks
17%synergy
Esper Sentinel
20%inclusion5 decks25 decks
1%synergy
Akiri, Fearless Voyager
20%inclusion5 decks25 decks
18%synergy
Queen Marchesa
20%inclusion5 decks25 decks
14%synergy
Solemn Simulacrum
16%inclusion4 decks25 decks
3%synergy
Blood Cultist
16%inclusion4 decks25 decks
15%synergy
Deathbringer Thoctar
16%inclusion4 decks25 decks
16%synergy
Assault Intercessor
16%inclusion4 decks25 decks
15%synergy
Giver of Runes
16%inclusion4 decks25 decks
13%synergy
Athreos, Shroud-Veiled
16%inclusion4 decks25 decks
15%synergy
Stonehewer Giant
16%inclusion4 decks25 decks
15%synergy
Tor Wauki the Younger
16%inclusion4 decks25 decks
16%synergy
Witch Enchanter
14%inclusion3 decks21 decks
8%synergy
Bureau Headmaster
14%inclusion3 decks21 decks
14%synergy
Knight of the White Orchid
12%inclusion3 decks25 decks
7%synergy
Onyx Mage
12%inclusion3 decks25 decks
12%synergy
Cunning Sparkmage
12%inclusion3 decks25 decks
12%synergy
Armored Skyhunter
12%inclusion3 decks25 decks
10%synergy
Flash Thompson, Spider-Fan
10%inclusion1 decks10 decks
10%synergy
Claim Jumper
9.1%inclusion2 decks22 decks
8%synergy
Karlach, Fury of Avernus
8.0%inclusion2 decks25 decks
4%synergy
Bounty Agent
8.0%inclusion2 decks25 decks
7%synergy
Archivist of Oghma
8.0%inclusion2 decks25 decks
5%synergy
Weathered Wayfarer
8.0%inclusion2 decks25 decks
6%synergy
Kellan, the Fae-Blooded
8.0%inclusion2 decks25 decks
7%synergy
Lotho, Corrupt Shirriff
8.0%inclusion2 decks25 decks
-6%synergy
Shadowheart, Dark Justiciar
8.0%inclusion2 decks25 decks
8%synergy
Astor, Bearer of Blades
8.0%inclusion2 decks25 decks
7%synergy
Instants
Boros Charm
44%inclusion11 decks25 decks
14%synergy
Despark
44%inclusion11 decks25 decks
29%synergy
Crackling Doom
44%inclusion11 decks25 decks
27%synergy
Mirrodin Avenged
36%inclusion9 decks25 decks
35%synergy
Generous Gift
36%inclusion9 decks25 decks
16%synergy
Stroke of Midnight
32%inclusion8 decks25 decks
20%synergy
Terminate
28%inclusion7 decks25 decks
15%synergy
Loran's Escape
24%inclusion6 decks25 decks
23%synergy
Anguished Unmaking
24%inclusion6 decks25 decks
-10%synergy
Fracture
24%inclusion6 decks25 decks
17%synergy
Mortify
24%inclusion6 decks25 decks
9%synergy
Dire Tactics
20%inclusion5 decks25 decks
17%synergy
Bladebrand
20%inclusion5 decks25 decks
19%synergy
Offer Immortality
20%inclusion5 decks25 decks
19%synergy
Path to Exile
20%inclusion5 decks25 decks
-27%synergy
Deflecting Palm
20%inclusion5 decks25 decks
14%synergy
Deadly Rollick
16%inclusion4 decks25 decks
6%synergy
Chaos Warp
16%inclusion4 decks25 decks
-1%synergy
Thrill of Possibility
16%inclusion4 decks25 decks
8%synergy
Flawless Maneuver
16%inclusion4 decks25 decks
2%synergy
Rakdos Charm
16%inclusion4 decks25 decks
7%synergy
Deflecting Swat
16%inclusion4 decks25 decks
1%synergy
Utter End
16%inclusion4 decks25 decks
11%synergy
Touch of Moonglove
16%inclusion4 decks25 decks
16%synergy
Alesha's Legacy
13%inclusion2 decks16 decks
11%synergy
Deadly Dispute
12%inclusion3 decks25 decks
-11%synergy
Malakir Rebirth
12%inclusion3 decks25 decks
7%synergy
Bolt Bend
12%inclusion3 decks25 decks
10%synergy
Heliod's Intervention
12%inclusion3 decks25 decks
10%synergy
Inevitable Defeat
12%inclusion2 decks17 decks
6%synergy
Flare of Fortitude
10%inclusion2 decks21 decks
6%synergy
Legion Leadership
10%inclusion2 decks21 decks
5%synergy
Return to Dust
8.0%inclusion2 decks25 decks
5%synergy
Imp's Mischief
8.0%inclusion2 decks25 decks
6%synergy
Clever Concealment
8.0%inclusion2 decks25 decks
4%synergy
Kolaghan's Command
8.0%inclusion2 decks25 decks
7%synergy
Unexpected Windfall
8.0%inclusion2 decks25 decks
2%synergy
Battle-Rage Blessing
8.0%inclusion2 decks25 decks
8%synergy
Blacksmith's Skill
8.0%inclusion2 decks25 decks
7%synergy
Armor of Shadows
8.0%inclusion2 decks25 decks
8%synergy
Virulent Swipe
8.0%inclusion2 decks25 decks
8%synergy
Corrupted Conviction
8.0%inclusion2 decks25 decks
3%synergy
Bedevil
8.0%inclusion2 decks25 decks
1%synergy
Sejiri Shelter
8.0%inclusion2 decks25 decks
6%synergy
Sudden Spoiling
8.0%inclusion2 decks25 decks
7%synergy
Cathartic Pyre
8.0%inclusion2 decks25 decks
8%synergy
Akroma's Will
8.0%inclusion2 decks25 decks
-5%synergy
Maximum Overdrive
5.9%inclusion1 decks17 decks
6%synergy
Divine Resilience
5.6%inclusion1 decks18 decks
5%synergy
Untimely Malfunction
5.0%inclusion1 decks20 decks
0%synergy
Sorceries
Painful Truths
40%inclusion10 decks25 decks
31%synergy
Ruinous Ultimatum
40%inclusion10 decks25 decks
1%synergy
Steelshaper's Gift
40%inclusion10 decks25 decks
37%synergy
Sevinne's Reclamation
36%inclusion9 decks25 decks
28%synergy
Mythos of Snapdax
32%inclusion8 decks25 decks
26%synergy
Read the Bones
32%inclusion8 decks25 decks
22%synergy
Night's Whisper
32%inclusion8 decks25 decks
19%synergy
Vandalblast
28%inclusion7 decks25 decks
17%synergy
Sign in Blood
28%inclusion7 decks25 decks
20%synergy
Vindicate
20%inclusion5 decks25 decks
14%synergy
Chandra's Ignition
20%inclusion5 decks25 decks
18%synergy
Call of the Death-Dweller
16%inclusion4 decks25 decks
15%synergy
Damn
16%inclusion4 decks25 decks
-3%synergy
Wrath of God
12%inclusion3 decks25 decks
7%synergy
Faithless Looting
12%inclusion3 decks25 decks
-4%synergy
Farewell
12%inclusion3 decks25 decks
1%synergy
Unfinished Business
12%inclusion3 decks25 decks
11%synergy
Toxic Deluge
12%inclusion3 decks25 decks
4%synergy
Drown in Ichor
12%inclusion3 decks25 decks
12%synergy
Divine Reckoning
8.0%inclusion2 decks25 decks
8%synergy
Inspired Tinkering
8.0%inclusion2 decks25 decks
7%synergy
Blasphemous Act
8.0%inclusion2 decks25 decks
-15%synergy
Pirate's Pillage
8.0%inclusion2 decks25 decks
7%synergy
Single Combat
8.0%inclusion2 decks25 decks
6%synergy
Ambition's Cost
8.0%inclusion2 decks25 decks
6%synergy
Response // Resurgence
8.0%inclusion2 decks25 decks
6%synergy
Rip Apart
8.0%inclusion2 decks25 decks
7%synergy
Search for Glory
8.0%inclusion2 decks25 decks
7%synergy
Hymn of the Faller
7.1%inclusion1 decks14 decks
7%synergy
Vengeful Possession
5.0%inclusion1 decks20 decks
5%synergy
Split Up
5.0%inclusion1 decks20 decks
4%synergy
Utility Artifacts
Shadowspear
36%inclusion9 decks25 decks
31%synergy
Thousand-Year Elixir
28%inclusion7 decks25 decks
27%synergy
Gorgon Flail
28%inclusion7 decks25 decks
27%synergy
Hunter's Blowgun
28%inclusion7 decks25 decks
27%synergy
Whispersilk Cloak
24%inclusion6 decks25 decks
18%synergy
Magewright's Stone
24%inclusion6 decks25 decks
23%synergy
Lightning Greaves
20%inclusion5 decks25 decks
-14%synergy
Brotherhood Regalia
19%inclusion4 decks21 decks
16%synergy
Illusionist's Bracers
16%inclusion4 decks25 decks
14%synergy
Battlemage's Bracers
16%inclusion4 decks25 decks
15%synergy
Champion's Helm
16%inclusion4 decks25 decks
15%synergy
Hammer of Nazahn
16%inclusion4 decks25 decks
14%synergy
Dragonfire Blade
13%inclusion2 decks16 decks
11%synergy
The Reaver Cleaver
12%inclusion3 decks25 decks
6%synergy
Skullclamp
12%inclusion3 decks25 decks
-17%synergy
Helm of the Host
12%inclusion3 decks25 decks
6%synergy
Sword of the Animist
12%inclusion3 decks25 decks
2%synergy
Hexplate Wallbreaker
12%inclusion3 decks25 decks
11%synergy
Bagel and Schmear
10%inclusion1 decks10 decks
10%synergy
Haystack
9.1%inclusion2 decks22 decks
8%synergy
Glaring Spotlight
8.0%inclusion2 decks25 decks
8%synergy
Wayfarer's Bauble
8.0%inclusion2 decks25 decks
-1%synergy
Mithril Coat
8.0%inclusion2 decks25 decks
2%synergy
Robe of Stars
8.0%inclusion2 decks25 decks
7%synergy
Expedition Map
8.0%inclusion2 decks25 decks
7%synergy
Mask of Griselbrand
8.0%inclusion2 decks25 decks
7%synergy
Darksteel Plate
8.0%inclusion2 decks25 decks
6%synergy
Puppet Strings
8.0%inclusion2 decks25 decks
8%synergy
Leyline Axe
5.6%inclusion1 decks18 decks
4%synergy
Enchantments
Fighter Class
40%inclusion10 decks25 decks
37%synergy
Sigarda's Aid
28%inclusion7 decks25 decks
25%synergy
Phyrexian Arena
28%inclusion7 decks25 decks
9%synergy
Aspect of Gorgon
20%inclusion5 decks25 decks
19%synergy
Forge Anew
20%inclusion5 decks25 decks
17%synergy
Grave Betrayal
16%inclusion4 decks25 decks
15%synergy
Death Pits of Rath
16%inclusion4 decks25 decks
16%synergy
Kaya's Ghostform
16%inclusion4 decks25 decks
14%synergy
Revel in Riches
16%inclusion4 decks25 decks
9%synergy
Nowhere to Run
14%inclusion3 decks21 decks
14%synergy
All-Out Assault
13%inclusion2 decks16 decks
0%synergy
Forging the Tyrite Sword
12%inclusion3 decks25 decks
11%synergy
Blind Obedience
12%inclusion3 decks25 decks
6%synergy
Agent of the Shadow Thieves
12%inclusion3 decks25 decks
11%synergy
Black Market Connections
12%inclusion3 decks25 decks
-4%synergy
Dazzling Theater // Prop Room
10%inclusion2 decks20 decks
8%synergy
Glasswing Grace
10%inclusion2 decks21 decks
8%synergy
At Knifepoint
9.1%inclusion2 decks22 decks
7%synergy
Mark of Fury
8.0%inclusion2 decks25 decks
8%synergy
Aggravated Assault
8.0%inclusion2 decks25 decks
3%synergy
Black Market
8.0%inclusion2 decks25 decks
2%synergy
Gift of Immortality
8.0%inclusion2 decks25 decks
7%synergy
Reconnaissance
8.0%inclusion2 decks25 decks
-2%synergy
Retreat to Hagra
8.0%inclusion2 decks25 decks
8%synergy
Court of Ardenvale
8.0%inclusion2 decks25 decks
6%synergy
Chorale of the Void
6.7%inclusion1 decks15 decks
6%synergy
Sporogenic Infection
5.0%inclusion1 decks20 decks
5%synergy
Sheltered by Ghosts
5.0%inclusion1 decks20 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
16%inclusion4 decks25 decks
16%synergy
Nahiri, the Lithomancer
12%inclusion3 decks25 decks
12%synergy
Kaya, Geist Hunter
12%inclusion3 decks25 decks
8%synergy
Utility Lands
Bojuka Bog
52%inclusion13 decks25 decks
21%synergy
Vault of the Archangel
48%inclusion12 decks25 decks
26%synergy
Rogue's Passage
48%inclusion12 decks25 decks
25%synergy
Axgard Armory
36%inclusion9 decks25 decks
34%synergy
Arcane Lighthouse
32%inclusion8 decks25 decks
31%synergy
Buried Ruin
32%inclusion8 decks25 decks
28%synergy
Karn's Bastion
24%inclusion6 decks25 decks
23%synergy
Shizo, Death's Storehouse
20%inclusion5 decks25 decks
13%synergy
Detection Tower
16%inclusion4 decks25 decks
15%synergy
Reliquary Tower
12%inclusion3 decks25 decks
-4%synergy
Urborg, Tomb of Yawgmoth
12%inclusion3 decks25 decks
-2%synergy
Phyrexian Tower
8.0%inclusion2 decks25 decks
-1%synergy
Urza's Saga
8.0%inclusion2 decks25 decks
3%synergy
Sunhome, Fortress of the Legion
8.0%inclusion2 decks25 decks
4%synergy
Castle Locthwain
8.0%inclusion2 decks25 decks
5%synergy
Mana Artifacts
Arcane Signet
96%inclusion24 decks25 decks
10%synergy
Sol Ring
80%inclusion20 decks25 decks
-9%synergy
Patriar's Seal
64%inclusion16 decks25 decks
62%synergy
Orzhov Signet
52%inclusion13 decks25 decks
18%synergy
Boros Signet
44%inclusion11 decks25 decks
14%synergy
Rakdos Signet
36%inclusion9 decks25 decks
4%synergy
Talisman of Hierarchy
36%inclusion9 decks25 decks
-5%synergy
Commander's Sphere
32%inclusion8 decks25 decks
17%synergy
Talisman of Indulgence
32%inclusion8 decks25 decks
-4%synergy
Talisman of Conviction
32%inclusion8 decks25 decks
-9%synergy
Fellwar Stone
24%inclusion6 decks25 decks
-4%synergy
Bandit's Haul
14%inclusion3 decks22 decks
12%synergy
Savai Crystal
12%inclusion3 decks25 decks
10%synergy
Aetheric Amplifier
12%inclusion2 decks17 decks
11%synergy
Bounty Board
9.1%inclusion2 decks22 decks
7%synergy
Planar Atlas
8.0%inclusion2 decks25 decks
8%synergy
Mind Stone
8.0%inclusion2 decks25 decks
-1%synergy
Lands
Command Tower
96%inclusion24 decks25 decks
4%synergy
Swamp
92%inclusion23 decks25 decks
-3%synergy
Mountain
92%inclusion23 decks25 decks
-2%synergy
Plains
88%inclusion22 decks25 decks
-7%synergy
Nomad Outpost
84%inclusion21 decks25 decks
26%synergy
Exotic Orchard
64%inclusion16 decks25 decks
13%synergy
Caves of Koilos
64%inclusion16 decks25 decks
25%synergy
Battlefield Forge
56%inclusion14 decks25 decks
17%synergy
Isolated Chapel
52%inclusion13 decks25 decks
1%synergy
Smoldering Marsh
48%inclusion12 decks25 decks
12%synergy
Dragonskull Summit
48%inclusion12 decks25 decks
-3%synergy
Godless Shrine
48%inclusion12 decks25 decks
1%synergy
Forbidden Orchard
48%inclusion12 decks25 decks
45%synergy
Clifftop Retreat
48%inclusion12 decks25 decks
-1%synergy
Sacred Foundry
44%inclusion11 decks25 decks
0%synergy
Spectator Seating
44%inclusion11 decks25 decks
12%synergy
Sulfurous Springs
44%inclusion11 decks25 decks
17%synergy
Savai Triome
40%inclusion10 decks25 decks
1%synergy
Luxury Suite
32%inclusion8 decks25 decks
0%synergy
Evolving Wilds
32%inclusion8 decks25 decks
5%synergy
Vault of Champions
32%inclusion8 decks25 decks
-2%synergy
Shattered Landscape
29%inclusion6 decks21 decks
9%synergy
Blood Crypt
28%inclusion7 decks25 decks
-15%synergy
Path of Ancestry
28%inclusion7 decks25 decks
-9%synergy
Arid Mesa
28%inclusion7 decks25 decks
-3%synergy
Marsh Flats
28%inclusion7 decks25 decks
-4%synergy
Fetid Heath
24%inclusion6 decks25 decks
5%synergy
Sundown Pass
24%inclusion6 decks25 decks
3%synergy
Needleverge Pathway
24%inclusion6 decks25 decks
16%synergy
Bloodstained Mire
24%inclusion6 decks25 decks
-8%synergy
Brightclimb Pathway
20%inclusion5 decks25 decks
11%synergy
Graven Cairns
20%inclusion5 decks25 decks
9%synergy
Rugged Prairie
20%inclusion5 decks25 decks
4%synergy
Shadowblood Ridge
16%inclusion4 decks25 decks
1%synergy
Terramorphic Expanse
16%inclusion4 decks25 decks
-4%synergy
Myriad Landscape
16%inclusion4 decks25 decks
3%synergy
Inspiring Vantage
16%inclusion4 decks25 decks
12%synergy
Tainted Field
16%inclusion4 decks25 decks
4%synergy
Orzhov Basilica
16%inclusion4 decks25 decks
1%synergy
Haunted Ridge
16%inclusion4 decks25 decks
-4%synergy
Temple of Silence
16%inclusion4 decks25 decks
-7%synergy
Silent Clearing
16%inclusion4 decks25 decks
12%synergy
Witch Enchanter
14%inclusion3 decks21 decks
8%synergy
Desolate Mire
14%inclusion3 decks22 decks
2%synergy
Rakdos Carnarium
12%inclusion3 decks25 decks
-1%synergy
Blackcleave Cliffs
12%inclusion3 decks25 decks
6%synergy
Temple of Triumph
12%inclusion3 decks25 decks
-11%synergy
Temple of Malice
12%inclusion3 decks25 decks
-5%synergy
Malakir Rebirth
12%inclusion3 decks25 decks
7%synergy
Tainted Peak
12%inclusion3 decks25 decks
2%synergy
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