Kelsien, the Plague (Commander) - Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #429
735decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Decorum Dissertation
12%inclusion4 decks33 decks
11%synergy
Emeritus of Woe
9.1%inclusion3 decks33 decks
4%synergy
Stensian Sanguinist
7.9%inclusion3 decks38 decks
6%synergy
Swift Demise
7.8%inclusion7 decks90 decks
8%synergy
Harsh Annotation
6.1%inclusion2 decks33 decks
6%synergy
High Synergy Cards
Basilisk Collar
84%inclusion615 decks735 decks
79%synergy
Minthara, Merciless Soul
78%inclusion573 decks735 decks
76%synergy
Rune of Mortality
73%inclusion536 decks735 decks
72%synergy
Otharri, Suns' Glory
77%inclusion565 decks735 decks
71%synergy
Vorpal Sword
65%inclusion477 decks735 decks
63%synergy
Falthis, Shadowcat Familiar
62%inclusion457 decks735 decks
61%synergy
Gorgon's Head
61%inclusion452 decks735 decks
60%synergy
You Are Already Dead
61%inclusion447 decks735 decks
59%synergy
Mari, the Killing Quill
65%inclusion477 decks735 decks
58%synergy
Sting, the Glinting Dagger
60%inclusion439 decks735 decks
58%synergy
Top Cards
Morbid Opportunist
73%inclusion537 decks735 decks
55%synergy
Shay Cormac
56%inclusion386 decks688 decks
53%synergy
General's Enforcer
56%inclusion412 decks735 decks
48%synergy
Drumbellower
56%inclusion409 decks735 decks
54%synergy
Swiftfoot Boots
54%inclusion400 decks735 decks
23%synergy
Termination Facilitator
47%inclusion345 decks735 decks
45%synergy
Humble Defector
47%inclusion344 decks735 decks
44%synergy
Mirrodin Avenged
47%inclusion344 decks735 decks
46%synergy
Gift of Doom
46%inclusion336 decks735 decks
45%synergy
Kalemne, Disciple of Iroas
46%inclusion336 decks735 decks
45%synergy
Game Changers
Farewell
5.2%inclusion38 decks735 decks
-5%synergy
Creatures
Mathas, Fiend Seeker
44%inclusion323 decks735 decks
42%synergy
Lae'zel, Vlaakith's Champion
43%inclusion316 decks735 decks
41%synergy
Slaughter Specialist
43%inclusion314 decks735 decks
42%synergy
Taii Wakeen, Perfect Shot
41%inclusion303 decks735 decks
40%synergy
Magda, the Hoardmaster
41%inclusion300 decks735 decks
39%synergy
Daxos the Returned
41%inclusion298 decks735 decks
40%synergy
Harvester of Souls
39%inclusion288 decks735 decks
36%synergy
White Plume Adventurer
37%inclusion273 decks735 decks
36%synergy
Void Beckoner
36%inclusion262 decks735 decks
35%synergy
Archetype of Finality
35%inclusion254 decks735 decks
34%synergy
Ertha Jo, Frontier Mentor
33%inclusion241 decks735 decks
32%synergy
Maha, Its Feathers Night
32%inclusion212 decks662 decks
31%synergy
Blood Cultist
31%inclusion230 decks735 decks
31%synergy
Zagras, Thief of Heartbeats
27%inclusion202 decks735 decks
26%synergy
Ankle Shanker
26%inclusion188 decks735 decks
22%synergy
Sun Titan
25%inclusion186 decks735 decks
15%synergy
Mother of Runes
24%inclusion179 decks735 decks
17%synergy
Athreos, Shroud-Veiled
22%inclusion161 decks735 decks
21%synergy
Goblin Sharpshooter
22%inclusion159 decks735 decks
21%synergy
Assault Intercessor
21%inclusion157 decks735 decks
21%synergy
Queen Marchesa
21%inclusion155 decks735 decks
15%synergy
Clackbridge Troll
20%inclusion150 decks735 decks
20%synergy
Marvin, Murderous Mimic
20%inclusion123 decks607 decks
19%synergy
Cunning Sparkmage
20%inclusion148 decks735 decks
20%synergy
Deathbringer Thoctar
19%inclusion137 decks735 decks
18%synergy
Tor Wauki the Younger
18%inclusion133 decks735 decks
18%synergy
Akiri, Fearless Voyager
18%inclusion129 decks735 decks
15%synergy
Vulshok Sorcerer
17%inclusion126 decks735 decks
17%synergy
Robaran Mercenaries
16%inclusion114 decks735 decks
15%synergy
Solemn Simulacrum
15%inclusion112 decks735 decks
2%synergy
Puresteel Paladin
15%inclusion110 decks735 decks
11%synergy
Massacre Girl, Known Killer
14%inclusion104 decks735 decks
12%synergy
Grateful Apparition
14%inclusion103 decks735 decks
14%synergy
Royal Assassin
14%inclusion102 decks735 decks
11%synergy
Torbran, Thane of Red Fell
13%inclusion97 decks735 decks
13%synergy
Kratos, Stoic Father
12%inclusion25 decks207 decks
12%synergy
Rakdos Ickspitter
12%inclusion85 decks735 decks
11%synergy
Onyx Mage
11%inclusion84 decks735 decks
11%synergy
Aang, Airbending Master
11%inclusion26 decks234 decks
10%synergy
Blood Artist
10%inclusion77 decks735 decks
-8%synergy
Azula, Ruthless Firebender
10%inclusion18 decks181 decks
10%synergy
Gisa, Glorious Resurrector
10%inclusion73 decks735 decks
9%synergy
Jirina, Dauntless General
9.4%inclusion69 decks735 decks
7%synergy
Bureau Headmaster
9.1%inclusion62 decks684 decks
8%synergy
Sram, Senior Edificer
8.7%inclusion64 decks735 decks
6%synergy
Norn's Choirmaster
8.3%inclusion61 decks735 decks
8%synergy
Prodigal Pyromancer
8.0%inclusion59 decks735 decks
8%synergy
Zuko, Firebending Master
7.8%inclusion14 decks180 decks
6%synergy
Esper Sentinel
7.6%inclusion56 decks735 decks
-11%synergy
Akroan Horse
7.5%inclusion55 decks735 decks
7%synergy
Instants
Crackling Doom
45%inclusion333 decks735 decks
28%synergy
Swords to Plowshares
44%inclusion321 decks735 decks
-18%synergy
Boros Charm
38%inclusion280 decks735 decks
9%synergy
Stroke of Midnight
35%inclusion254 decks735 decks
23%synergy
Fracture
31%inclusion231 decks735 decks
25%synergy
Despark
30%inclusion219 decks735 decks
16%synergy
Offer Immortality
28%inclusion206 decks735 decks
27%synergy
Generous Gift
27%inclusion202 decks735 decks
9%synergy
Path to Exile
25%inclusion187 decks735 decks
-21%synergy
Bladebrand
25%inclusion186 decks735 decks
25%synergy
Anguished Unmaking
25%inclusion181 decks735 decks
-9%synergy
Terminate
20%inclusion148 decks735 decks
8%synergy
Mortify
19%inclusion143 decks735 decks
4%synergy
Dire Tactics
18%inclusion133 decks735 decks
15%synergy
Chaos Warp
15%inclusion107 decks735 decks
-1%synergy
Rakdos Charm
12%inclusion90 decks735 decks
3%synergy
Virulent Swipe
12%inclusion90 decks735 decks
12%synergy
Wear // Tear
12%inclusion87 decks735 decks
0%synergy
Flawless Maneuver
12%inclusion86 decks735 decks
-3%synergy
Battle-Rage Blessing
11%inclusion81 decks735 decks
11%synergy
Tragic Slip
10%inclusion75 decks735 decks
9%synergy
Bedevil
10%inclusion71 decks735 decks
3%synergy
Thrill of Possibility
10%inclusion70 decks735 decks
2%synergy
Toxin Analysis
10%inclusion70 decks735 decks
9%synergy
Malakir Rebirth
9.1%inclusion67 decks735 decks
4%synergy
Volt Charge
9.1%inclusion67 decks735 decks
9%synergy
Deflecting Palm
9.1%inclusion67 decks735 decks
3%synergy
Dawn's Truce
9.1%inclusion60 decks661 decks
2%synergy
Whisper of the Dross
8.6%inclusion63 decks735 decks
8%synergy
Legion Leadership
7.8%inclusion56 decks714 decks
3%synergy
Touch of Moonglove
7.8%inclusion57 decks735 decks
8%synergy
Sejiri Shelter
7.8%inclusion57 decks735 decks
6%synergy
Untimely Malfunction
7.0%inclusion43 decks614 decks
2%synergy
Utter End
6.7%inclusion49 decks735 decks
2%synergy
Alchemist's Gift
5.4%inclusion40 decks735 decks
5%synergy
Inevitable Defeat
5.3%inclusion21 decks397 decks
0%synergy
Sorceries
Open the Armory
42%inclusion309 decks735 decks
38%synergy
Ruinous Ultimatum
41%inclusion301 decks735 decks
2%synergy
Mythos of Snapdax
37%inclusion270 decks735 decks
31%synergy
Painful Truths
35%inclusion259 decks735 decks
27%synergy
Read the Bones
31%inclusion225 decks735 decks
22%synergy
Call of the Death-Dweller
27%inclusion195 decks735 decks
26%synergy
Night's Whisper
24%inclusion174 decks735 decks
10%synergy
Sign in Blood
21%inclusion156 decks735 decks
13%synergy
Drown in Ichor
21%inclusion151 decks735 decks
20%synergy
Blasphemous Act
18%inclusion130 decks735 decks
-5%synergy
Vandalblast
17%inclusion125 decks735 decks
7%synergy
Steelshaper's Gift
14%inclusion104 decks735 decks
11%synergy
Sevinne's Reclamation
13%inclusion97 decks735 decks
5%synergy
Vindicate
13%inclusion92 decks735 decks
7%synergy
Damn
12%inclusion89 decks735 decks
-6%synergy
Single Combat
11%inclusion81 decks735 decks
10%synergy
Unfinished Business
11%inclusion79 decks735 decks
10%synergy
Chandra's Ignition
10%inclusion75 decks735 decks
8%synergy
Austere Command
10%inclusion73 decks735 decks
3%synergy
Unearth
10%inclusion70 decks735 decks
7%synergy
Vat Emergence
9.0%inclusion66 decks735 decks
9%synergy
Faithless Looting
8.8%inclusion65 decks735 decks
-7%synergy
Feed the Swarm
8.8%inclusion65 decks735 decks
4%synergy
Rip Apart
7.5%inclusion55 decks735 decks
6%synergy
Ambition's Cost
5.9%inclusion43 decks735 decks
4%synergy
Restoration Seminar
5.6%inclusion2 decks36 decks
4%synergy
Divine Reckoning
5.3%inclusion39 decks735 decks
5%synergy
Tempt with Bunnies
5.0%inclusion33 decks655 decks
4%synergy
Utility Artifacts
Thornbite Staff
44%inclusion321 decks735 decks
42%synergy
Gorgon Flail
44%inclusion320 decks735 decks
43%synergy
Quietus Spike
42%inclusion310 decks735 decks
41%synergy
Magewright's Stone
33%inclusion242 decks735 decks
32%synergy
Hunter's Blowgun
32%inclusion233 decks735 decks
31%synergy
Illusionist's Bracers
27%inclusion202 decks735 decks
26%synergy
Shadowspear
25%inclusion186 decks735 decks
21%synergy
Thousand-Year Elixir
25%inclusion184 decks735 decks
24%synergy
Glaring Spotlight
17%inclusion127 decks735 decks
17%synergy
Wayfarer's Bauble
16%inclusion115 decks735 decks
7%synergy
Battlemage's Bracers
15%inclusion113 decks735 decks
15%synergy
Lightning Greaves
15%inclusion108 decks735 decks
-20%synergy
Puppet Strings
12%inclusion89 decks735 decks
12%synergy
Whispersilk Cloak
12%inclusion85 decks735 decks
6%synergy
Mithril Coat
11%inclusion80 decks735 decks
5%synergy
Brotherhood Regalia
11%inclusion73 decks687 decks
7%synergy
Hidden Blade
10%inclusion73 decks735 decks
9%synergy
Mask of Griselbrand
8.8%inclusion65 decks735 decks
8%synergy
Sword of the Animist
7.3%inclusion54 decks735 decks
-2%synergy
Reaper's Talisman
7.1%inclusion52 decks735 decks
7%synergy
Loxodon Warhammer
6.9%inclusion51 decks735 decks
5%synergy
Dragonfire Blade
5.9%inclusion21 decks355 decks
4%synergy
Sword of Truth and Justice
5.6%inclusion41 decks735 decks
5%synergy
Haystack
5.4%inclusion40 decks735 decks
4%synergy
Robe of Stars
5.3%inclusion39 decks735 decks
4%synergy
Halo Fountain
5.3%inclusion39 decks735 decks
5%synergy
Enchantments
Dazzling Theater // Prop Room
30%inclusion179 decks603 decks
28%synergy
Aspect of Gorgon
29%inclusion213 decks735 decks
29%synergy
Phyrexian Arena
27%inclusion202 decks735 decks
9%synergy
Fighter Class
26%inclusion191 decks735 decks
23%synergy
All-Out Assault
25%inclusion91 decks360 decks
13%synergy
At Knifepoint
23%inclusion168 decks735 decks
21%synergy
Retreat to Hagra
18%inclusion129 decks735 decks
17%synergy
Agent of the Shadow Thieves
16%inclusion118 decks735 decks
15%synergy
Reconnaissance
16%inclusion117 decks735 decks
4%synergy
Death Pits of Rath
16%inclusion114 decks735 decks
15%synergy
Black Market
14%inclusion104 decks735 decks
9%synergy
Revel in Riches
13%inclusion97 decks735 decks
7%synergy
Eternal Thirst
11%inclusion84 decks735 decks
11%synergy
Forge Anew
10%inclusion70 decks735 decks
7%synergy
Black Market Connections
9.1%inclusion67 decks735 decks
-7%synergy
Nowhere to Run
8.8%inclusion59 decks671 decks
8%synergy
Sigarda's Aid
8.3%inclusion61 decks735 decks
5%synergy
Kaya's Ghostform
7.8%inclusion57 decks735 decks
6%synergy
Grave Betrayal
7.2%inclusion53 decks735 decks
7%synergy
Glasswing Grace
6.6%inclusion47 decks716 decks
5%synergy
Feast of the Victorious Dead
5.7%inclusion42 decks735 decks
5%synergy
Gift of Immortality
5.6%inclusion41 decks735 decks
5%synergy
Life Insurance
5.0%inclusion37 decks735 decks
3%synergy
Planeswalkers
Kaya, Geist Hunter
8.8%inclusion65 decks735 decks
5%synergy
Vraska, Betrayal's Sting
7.6%inclusion56 decks735 decks
7%synergy
Dihada, Binder of Wills
7.1%inclusion52 decks735 decks
3%synergy
Utility Lands
Vault of the Archangel
55%inclusion403 decks735 decks
32%synergy
Rogue's Passage
53%inclusion388 decks735 decks
29%synergy
Bojuka Bog
37%inclusion272 decks735 decks
6%synergy
Arcane Lighthouse
29%inclusion212 decks735 decks
28%synergy
Detection Tower
25%inclusion182 decks735 decks
24%synergy
Karn's Bastion
24%inclusion178 decks735 decks
23%synergy
Axgard Armory
17%inclusion123 decks735 decks
15%synergy
Sunhome, Fortress of the Legion
11%inclusion78 decks735 decks
7%synergy
Buried Ruin
10%inclusion72 decks735 decks
7%synergy
Reliquary Tower
7.9%inclusion58 decks735 decks
-7%synergy
Temple of the False God
7.9%inclusion58 decks735 decks
2%synergy
Shizo, Death's Storehouse
5.9%inclusion43 decks735 decks
-1%synergy
Urborg, Tomb of Yawgmoth
5.6%inclusion41 decks735 decks
-8%synergy
Mana Artifacts
Arcane Signet
87%inclusion643 decks735 decks
2%synergy
Sol Ring
80%inclusion585 decks735 decks
-9%synergy
Patriar's Seal
58%inclusion429 decks735 decks
56%synergy
Orzhov Signet
52%inclusion381 decks735 decks
21%synergy
Rakdos Signet
48%inclusion353 decks735 decks
19%synergy
Boros Signet
44%inclusion321 decks735 decks
16%synergy
Talisman of Conviction
32%inclusion235 decks735 decks
-10%synergy
Talisman of Hierarchy
32%inclusion234 decks735 decks
-9%synergy
Talisman of Indulgence
25%inclusion186 decks735 decks
-12%synergy
Fellwar Stone
24%inclusion180 decks735 decks
-4%synergy
Bounty Board
24%inclusion174 decks735 decks
22%synergy
Commander's Sphere
21%inclusion152 decks735 decks
7%synergy
Bandit's Haul
13%inclusion94 decks735 decks
12%synergy
Aetheric Amplifier
11%inclusion48 decks444 decks
11%synergy
Chromatic Lantern
7.5%inclusion55 decks735 decks
-3%synergy
Mardu Banner
7.1%inclusion52 decks735 decks
4%synergy
Mind Stone
6.7%inclusion49 decks735 decks
-2%synergy
Savai Crystal
6.1%inclusion45 decks735 decks
5%synergy
Staff of Compleation
5.4%inclusion40 decks735 decks
5%synergy
Lands
Swamp
98%inclusion723 decks735 decks
3%synergy
Plains
98%inclusion723 decks735 decks
3%synergy
Mountain
98%inclusion719 decks735 decks
4%synergy
Command Tower
93%inclusion687 decks735 decks
1%synergy
Nomad Outpost
76%inclusion555 decks735 decks
17%synergy
Exotic Orchard
63%inclusion461 decks735 decks
10%synergy
Clifftop Retreat
51%inclusion373 decks735 decks
0%synergy
Isolated Chapel
50%inclusion365 decks735 decks
-4%synergy
Dragonskull Summit
49%inclusion359 decks735 decks
-3%synergy
Caves of Koilos
44%inclusion321 decks735 decks
4%synergy
Smoldering Marsh
43%inclusion318 decks735 decks
7%synergy
Battlefield Forge
43%inclusion315 decks735 decks
2%synergy
Evolving Wilds
37%inclusion275 decks735 decks
11%synergy
Savai Triome
37%inclusion273 decks735 decks
-1%synergy
Forbidden Orchard
34%inclusion251 decks735 decks
32%synergy
Shattered Landscape
31%inclusion218 decks710 decks
12%synergy
Godless Shrine
30%inclusion222 decks735 decks
-17%synergy
Sacred Foundry
29%inclusion212 decks735 decks
-16%synergy
Blood Crypt
29%inclusion212 decks735 decks
-16%synergy
Vault of Champions
29%inclusion210 decks735 decks
-4%synergy
Temple of Silence
28%inclusion207 decks735 decks
6%synergy
Orzhov Basilica
27%inclusion202 decks735 decks
14%synergy
Path of Ancestry
27%inclusion201 decks735 decks
-11%synergy
Spectator Seating
27%inclusion195 decks735 decks
-5%synergy
Luxury Suite
26%inclusion193 decks735 decks
-5%synergy
Temple of Triumph
26%inclusion190 decks735 decks
4%synergy
Rakdos Carnarium
25%inclusion186 decks735 decks
14%synergy
Terramorphic Expanse
25%inclusion182 decks735 decks
6%synergy
Boros Garrison
25%inclusion182 decks735 decks
12%synergy
Sulfurous Springs
23%inclusion169 decks735 decks
-5%synergy
Temple of Malice
21%inclusion157 decks735 decks
5%synergy
Sundown Pass
21%inclusion152 decks735 decks
0%synergy
Shattered Sanctum
20%inclusion144 decks735 decks
-5%synergy
Myriad Landscape
19%inclusion142 decks735 decks
8%synergy
Haunted Ridge
19%inclusion140 decks735 decks
-1%synergy
Shadowblood Ridge
19%inclusion136 decks735 decks
3%synergy
Marsh Flats
16%inclusion117 decks735 decks
-15%synergy
Arid Mesa
15%inclusion113 decks735 decks
-16%synergy
Bloodstained Mire
15%inclusion113 decks735 decks
-17%synergy
Tainted Field
15%inclusion110 decks735 decks
3%synergy
Fetid Heath
14%inclusion102 decks735 decks
-7%synergy
Rugged Prairie
14%inclusion102 decks735 decks
-3%synergy
Foreboding Ruins
12%inclusion88 decks735 decks
1%synergy
Furycalm Snarl
10%inclusion76 decks735 decks
1%synergy
Shineshadow Snarl
10%inclusion72 decks735 decks
0%synergy
Bloodfell Caves
10%inclusion70 decks735 decks
1%synergy
Scoured Barrens
9.3%inclusion68 decks735 decks
0%synergy
Malakir Rebirth
9.1%inclusion67 decks735 decks
4%synergy
Wind-Scarred Crag
8.3%inclusion61 decks735 decks
0%synergy
Brightclimb Pathway
8.2%inclusion60 decks735 decks
-1%synergy
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