Kelsien, the Plague (Commander) - Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #429
740decks
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
8.3%inclusion2 decks24 decks
7%synergy
Stensian Sanguinist
6.7%inclusion2 decks30 decks
5%synergy
Swift Demise
4.8%inclusion4 decks84 decks
5%synergy
Pox Plague
4.2%inclusion1 decks24 decks
4%synergy
Emeritus of Woe
4.2%inclusion1 decks24 decks
1%synergy
High Synergy Cards
Basilisk Collar
84%inclusion618 decks740 decks
79%synergy
Minthara, Merciless Soul
78%inclusion575 decks740 decks
76%synergy
Rune of Mortality
73%inclusion539 decks740 decks
71%synergy
Otharri, Suns' Glory
77%inclusion567 decks740 decks
71%synergy
Vorpal Sword
64%inclusion477 decks740 decks
62%synergy
Falthis, Shadowcat Familiar
62%inclusion459 decks740 decks
61%synergy
Gorgon's Head
62%inclusion456 decks740 decks
60%synergy
You Are Already Dead
60%inclusion446 decks740 decks
59%synergy
Mari, the Killing Quill
64%inclusion477 decks740 decks
58%synergy
Sting, the Glinting Dagger
59%inclusion439 decks740 decks
58%synergy
Top Cards
Morbid Opportunist
73%inclusion538 decks740 decks
54%synergy
Shay Cormac
56%inclusion384 decks685 decks
53%synergy
General's Enforcer
56%inclusion414 decks740 decks
48%synergy
Drumbellower
56%inclusion412 decks740 decks
54%synergy
Swiftfoot Boots
54%inclusion401 decks740 decks
23%synergy
Humble Defector
47%inclusion346 decks740 decks
44%synergy
Termination Facilitator
46%inclusion344 decks740 decks
45%synergy
Mirrodin Avenged
46%inclusion344 decks740 decks
46%synergy
Kalemne, Disciple of Iroas
46%inclusion340 decks740 decks
45%synergy
Gift of Doom
45%inclusion336 decks740 decks
44%synergy
Game Changers
Farewell
5.3%inclusion39 decks740 decks
-5%synergy
Creatures
Mathas, Fiend Seeker
44%inclusion325 decks740 decks
42%synergy
Lae'zel, Vlaakith's Champion
43%inclusion316 decks740 decks
41%synergy
Slaughter Specialist
42%inclusion314 decks740 decks
41%synergy
Taii Wakeen, Perfect Shot
41%inclusion303 decks740 decks
40%synergy
Daxos the Returned
40%inclusion299 decks740 decks
40%synergy
Magda, the Hoardmaster
40%inclusion297 decks740 decks
38%synergy
Harvester of Souls
39%inclusion291 decks740 decks
36%synergy
White Plume Adventurer
37%inclusion275 decks740 decks
36%synergy
Void Beckoner
35%inclusion262 decks740 decks
35%synergy
Archetype of Finality
35%inclusion257 decks740 decks
34%synergy
Ertha Jo, Frontier Mentor
32%inclusion240 decks740 decks
32%synergy
Maha, Its Feathers Night
32%inclusion210 decks659 decks
31%synergy
Blood Cultist
31%inclusion233 decks740 decks
31%synergy
Zagras, Thief of Heartbeats
28%inclusion204 decks740 decks
27%synergy
Ankle Shanker
25%inclusion188 decks740 decks
22%synergy
Sun Titan
25%inclusion187 decks740 decks
15%synergy
Mother of Runes
24%inclusion179 decks740 decks
17%synergy
Athreos, Shroud-Veiled
22%inclusion163 decks740 decks
21%synergy
Goblin Sharpshooter
22%inclusion161 decks740 decks
21%synergy
Queen Marchesa
21%inclusion157 decks740 decks
15%synergy
Assault Intercessor
21%inclusion155 decks740 decks
20%synergy
Clackbridge Troll
21%inclusion152 decks740 decks
20%synergy
Cunning Sparkmage
20%inclusion151 decks740 decks
20%synergy
Marvin, Murderous Mimic
20%inclusion122 decks604 decks
19%synergy
Deathbringer Thoctar
18%inclusion136 decks740 decks
18%synergy
Tor Wauki the Younger
18%inclusion135 decks740 decks
18%synergy
Akiri, Fearless Voyager
17%inclusion129 decks740 decks
15%synergy
Vulshok Sorcerer
17%inclusion129 decks740 decks
17%synergy
Robaran Mercenaries
16%inclusion116 decks740 decks
15%synergy
Solemn Simulacrum
15%inclusion111 decks740 decks
2%synergy
Puresteel Paladin
15%inclusion109 decks740 decks
11%synergy
Grateful Apparition
14%inclusion105 decks740 decks
14%synergy
Massacre Girl, Known Killer
14%inclusion104 decks740 decks
12%synergy
Royal Assassin
14%inclusion104 decks740 decks
11%synergy
Torbran, Thane of Red Fell
14%inclusion100 decks740 decks
13%synergy
Kratos, Stoic Father
12%inclusion25 decks201 decks
12%synergy
Rakdos Ickspitter
12%inclusion88 decks740 decks
12%synergy
Aang, Airbending Master
11%inclusion26 decks229 decks
10%synergy
Onyx Mage
11%inclusion84 decks740 decks
11%synergy
Azula, Ruthless Firebender
10%inclusion18 decks175 decks
10%synergy
Blood Artist
10%inclusion76 decks740 decks
-8%synergy
Gisa, Glorious Resurrector
10%inclusion75 decks740 decks
9%synergy
Jirina, Dauntless General
9.3%inclusion69 decks740 decks
7%synergy
Bureau Headmaster
9.1%inclusion62 decks681 decks
8%synergy
Sram, Senior Edificer
8.6%inclusion64 decks740 decks
6%synergy
Zuko, Firebending Master
8.6%inclusion15 decks174 decks
7%synergy
Norn's Choirmaster
8.4%inclusion62 decks740 decks
8%synergy
Prodigal Pyromancer
8.1%inclusion60 decks740 decks
8%synergy
Esper Sentinel
7.6%inclusion56 decks740 decks
-11%synergy
Akroan Horse
7.6%inclusion56 decks740 decks
7%synergy
Instants
Crackling Doom
45%inclusion334 decks740 decks
28%synergy
Swords to Plowshares
43%inclusion321 decks740 decks
-19%synergy
Boros Charm
38%inclusion281 decks740 decks
9%synergy
Stroke of Midnight
34%inclusion254 decks740 decks
23%synergy
Fracture
31%inclusion230 decks740 decks
25%synergy
Despark
29%inclusion218 decks740 decks
15%synergy
Offer Immortality
28%inclusion206 decks740 decks
27%synergy
Generous Gift
27%inclusion203 decks740 decks
9%synergy
Path to Exile
26%inclusion189 decks740 decks
-21%synergy
Bladebrand
25%inclusion185 decks740 decks
25%synergy
Anguished Unmaking
24%inclusion181 decks740 decks
-9%synergy
Terminate
20%inclusion148 decks740 decks
8%synergy
Mortify
20%inclusion146 decks740 decks
4%synergy
Dire Tactics
18%inclusion134 decks740 decks
15%synergy
Chaos Warp
14%inclusion105 decks740 decks
-2%synergy
Rakdos Charm
12%inclusion90 decks740 decks
3%synergy
Virulent Swipe
12%inclusion90 decks740 decks
12%synergy
Wear // Tear
12%inclusion89 decks740 decks
0%synergy
Flawless Maneuver
12%inclusion87 decks740 decks
-3%synergy
Battle-Rage Blessing
11%inclusion81 decks740 decks
11%synergy
Tragic Slip
10%inclusion77 decks740 decks
9%synergy
Thrill of Possibility
10%inclusion72 decks740 decks
2%synergy
Bedevil
10%inclusion72 decks740 decks
3%synergy
Toxin Analysis
10%inclusion71 decks740 decks
9%synergy
Volt Charge
9.2%inclusion68 decks740 decks
9%synergy
Dawn's Truce
9.1%inclusion60 decks658 decks
2%synergy
Malakir Rebirth
9.1%inclusion67 decks740 decks
4%synergy
Deflecting Palm
8.9%inclusion66 decks740 decks
2%synergy
Whisper of the Dross
8.8%inclusion65 decks740 decks
9%synergy
Legion Leadership
7.7%inclusion55 decks711 decks
3%synergy
Sejiri Shelter
7.6%inclusion56 decks740 decks
5%synergy
Touch of Moonglove
7.6%inclusion56 decks740 decks
7%synergy
Untimely Malfunction
6.9%inclusion42 decks611 decks
2%synergy
Utter End
6.8%inclusion50 decks740 decks
2%synergy
Alchemist's Gift
5.4%inclusion40 decks740 decks
5%synergy
Inevitable Defeat
5.3%inclusion21 decks394 decks
0%synergy
To Arms!
5.1%inclusion38 decks740 decks
5%synergy
Sorceries
Open the Armory
42%inclusion309 decks740 decks
38%synergy
Ruinous Ultimatum
41%inclusion302 decks740 decks
2%synergy
Mythos of Snapdax
37%inclusion272 decks740 decks
31%synergy
Painful Truths
35%inclusion261 decks740 decks
27%synergy
Read the Bones
31%inclusion227 decks740 decks
22%synergy
Call of the Death-Dweller
27%inclusion197 decks740 decks
26%synergy
Night's Whisper
23%inclusion172 decks740 decks
10%synergy
Sign in Blood
21%inclusion157 decks740 decks
13%synergy
Drown in Ichor
21%inclusion154 decks740 decks
20%synergy
Blasphemous Act
17%inclusion129 decks740 decks
-5%synergy
Vandalblast
17%inclusion123 decks740 decks
6%synergy
Steelshaper's Gift
14%inclusion102 decks740 decks
11%synergy
Sevinne's Reclamation
13%inclusion97 decks740 decks
5%synergy
Vindicate
13%inclusion95 decks740 decks
7%synergy
Damn
12%inclusion89 decks740 decks
-6%synergy
Single Combat
11%inclusion83 decks740 decks
10%synergy
Unfinished Business
11%inclusion78 decks740 decks
10%synergy
Chandra's Ignition
10%inclusion75 decks740 decks
8%synergy
Austere Command
10%inclusion74 decks740 decks
3%synergy
Unearth
10%inclusion71 decks740 decks
7%synergy
Vat Emergence
9.1%inclusion67 decks740 decks
9%synergy
Feed the Swarm
8.9%inclusion66 decks740 decks
4%synergy
Faithless Looting
8.8%inclusion65 decks740 decks
-7%synergy
Rip Apart
7.6%inclusion56 decks740 decks
7%synergy
Ambition's Cost
5.8%inclusion43 decks740 decks
4%synergy
Divine Reckoning
5.3%inclusion39 decks740 decks
5%synergy
Tempt with Bunnies
5.1%inclusion33 decks652 decks
4%synergy
Utility Artifacts
Gorgon Flail
44%inclusion323 decks740 decks
43%synergy
Thornbite Staff
43%inclusion321 decks740 decks
42%synergy
Quietus Spike
42%inclusion311 decks740 decks
41%synergy
Magewright's Stone
33%inclusion246 decks740 decks
32%synergy
Hunter's Blowgun
31%inclusion233 decks740 decks
31%synergy
Illusionist's Bracers
27%inclusion203 decks740 decks
26%synergy
Shadowspear
25%inclusion187 decks740 decks
21%synergy
Thousand-Year Elixir
25%inclusion185 decks740 decks
24%synergy
Glaring Spotlight
17%inclusion128 decks740 decks
17%synergy
Wayfarer's Bauble
16%inclusion117 decks740 decks
7%synergy
Battlemage's Bracers
16%inclusion115 decks740 decks
15%synergy
Lightning Greaves
15%inclusion108 decks740 decks
-20%synergy
Puppet Strings
12%inclusion91 decks740 decks
12%synergy
Whispersilk Cloak
12%inclusion86 decks740 decks
6%synergy
Mithril Coat
11%inclusion80 decks740 decks
5%synergy
Brotherhood Regalia
11%inclusion73 decks684 decks
7%synergy
Hidden Blade
10%inclusion73 decks740 decks
9%synergy
Mask of Griselbrand
8.9%inclusion66 decks740 decks
8%synergy
Reaper's Talisman
7.3%inclusion54 decks740 decks
7%synergy
Sword of the Animist
7.3%inclusion54 decks740 decks
-2%synergy
Loxodon Warhammer
7.0%inclusion52 decks740 decks
5%synergy
Dragonfire Blade
6.0%inclusion21 decks352 decks
5%synergy
Sword of Truth and Justice
5.7%inclusion42 decks740 decks
5%synergy
Halo Fountain
5.3%inclusion39 decks740 decks
5%synergy
Haystack
5.3%inclusion39 decks740 decks
4%synergy
Robe of Stars
5.1%inclusion38 decks740 decks
4%synergy
Contagion Clasp
5.0%inclusion37 decks740 decks
5%synergy
Enchantments
Dazzling Theater // Prop Room
30%inclusion178 decks600 decks
28%synergy
Aspect of Gorgon
29%inclusion214 decks740 decks
28%synergy
Phyrexian Arena
27%inclusion203 decks740 decks
9%synergy
Fighter Class
26%inclusion191 decks740 decks
23%synergy
All-Out Assault
25%inclusion90 decks357 decks
13%synergy
At Knifepoint
23%inclusion168 decks740 decks
21%synergy
Retreat to Hagra
18%inclusion131 decks740 decks
17%synergy
Agent of the Shadow Thieves
16%inclusion120 decks740 decks
15%synergy
Reconnaissance
16%inclusion116 decks740 decks
4%synergy
Death Pits of Rath
16%inclusion115 decks740 decks
15%synergy
Black Market
14%inclusion105 decks740 decks
9%synergy
Revel in Riches
13%inclusion98 decks740 decks
7%synergy
Eternal Thirst
11%inclusion85 decks740 decks
11%synergy
Forge Anew
9.5%inclusion70 decks740 decks
7%synergy
Black Market Connections
9.1%inclusion67 decks740 decks
-7%synergy
Nowhere to Run
8.8%inclusion59 decks668 decks
8%synergy
Sigarda's Aid
8.1%inclusion60 decks740 decks
5%synergy
Kaya's Ghostform
8.0%inclusion59 decks740 decks
6%synergy
Grave Betrayal
7.2%inclusion53 decks740 decks
7%synergy
Glasswing Grace
6.6%inclusion47 decks713 decks
5%synergy
Gift of Immortality
5.7%inclusion42 decks740 decks
5%synergy
Feast of the Victorious Dead
5.7%inclusion42 decks740 decks
5%synergy
Life Insurance
5.3%inclusion39 decks740 decks
3%synergy
Planeswalkers
Kaya, Geist Hunter
8.8%inclusion65 decks740 decks
5%synergy
Vraska, Betrayal's Sting
7.7%inclusion57 decks740 decks
7%synergy
Dihada, Binder of Wills
7.0%inclusion52 decks740 decks
3%synergy
Utility Lands
Vault of the Archangel
55%inclusion406 decks740 decks
32%synergy
Rogue's Passage
53%inclusion390 decks740 decks
29%synergy
Bojuka Bog
37%inclusion272 decks740 decks
6%synergy
Arcane Lighthouse
29%inclusion213 decks740 decks
28%synergy
Detection Tower
25%inclusion184 decks740 decks
24%synergy
Karn's Bastion
24%inclusion180 decks740 decks
23%synergy
Axgard Armory
17%inclusion124 decks740 decks
15%synergy
Sunhome, Fortress of the Legion
10%inclusion77 decks740 decks
7%synergy
Buried Ruin
10%inclusion72 decks740 decks
6%synergy
Temple of the False God
8.1%inclusion60 decks740 decks
2%synergy
Reliquary Tower
7.7%inclusion57 decks740 decks
-8%synergy
Shizo, Death's Storehouse
5.9%inclusion44 decks740 decks
-1%synergy
Urborg, Tomb of Yawgmoth
5.4%inclusion40 decks740 decks
-8%synergy
Mana Artifacts
Arcane Signet
87%inclusion646 decks740 decks
1%synergy
Sol Ring
79%inclusion586 decks740 decks
-9%synergy
Patriar's Seal
59%inclusion433 decks740 decks
56%synergy
Orzhov Signet
52%inclusion386 decks740 decks
21%synergy
Rakdos Signet
48%inclusion358 decks740 decks
19%synergy
Boros Signet
44%inclusion325 decks740 decks
16%synergy
Talisman of Conviction
32%inclusion236 decks740 decks
-10%synergy
Talisman of Hierarchy
32%inclusion235 decks740 decks
-9%synergy
Talisman of Indulgence
25%inclusion186 decks740 decks
-12%synergy
Fellwar Stone
25%inclusion182 decks740 decks
-3%synergy
Bounty Board
24%inclusion175 decks740 decks
22%synergy
Commander's Sphere
21%inclusion154 decks740 decks
7%synergy
Bandit's Haul
13%inclusion94 decks740 decks
11%synergy
Aetheric Amplifier
11%inclusion47 decks441 decks
10%synergy
Chromatic Lantern
7.6%inclusion56 decks740 decks
-3%synergy
Mardu Banner
7.2%inclusion53 decks740 decks
4%synergy
Mind Stone
6.6%inclusion49 decks740 decks
-2%synergy
Savai Crystal
6.4%inclusion47 decks740 decks
5%synergy
Staff of Compleation
5.5%inclusion41 decks740 decks
5%synergy
Lands
Swamp
99%inclusion729 decks740 decks
3%synergy
Plains
99%inclusion729 decks740 decks
3%synergy
Mountain
98%inclusion725 decks740 decks
4%synergy
Command Tower
93%inclusion690 decks740 decks
1%synergy
Nomad Outpost
75%inclusion557 decks740 decks
17%synergy
Exotic Orchard
62%inclusion462 decks740 decks
10%synergy
Clifftop Retreat
50%inclusion372 decks740 decks
-1%synergy
Isolated Chapel
49%inclusion364 decks740 decks
-4%synergy
Dragonskull Summit
49%inclusion360 decks740 decks
-4%synergy
Caves of Koilos
43%inclusion321 decks740 decks
4%synergy
Smoldering Marsh
43%inclusion316 decks740 decks
6%synergy
Battlefield Forge
42%inclusion314 decks740 decks
2%synergy
Evolving Wilds
38%inclusion279 decks740 decks
12%synergy
Savai Triome
37%inclusion276 decks740 decks
0%synergy
Forbidden Orchard
34%inclusion253 decks740 decks
32%synergy
Shattered Landscape
31%inclusion218 decks707 decks
12%synergy
Godless Shrine
30%inclusion222 decks740 decks
-17%synergy
Blood Crypt
29%inclusion212 decks740 decks
-16%synergy
Sacred Foundry
29%inclusion212 decks740 decks
-16%synergy
Vault of Champions
28%inclusion210 decks740 decks
-4%synergy
Temple of Silence
28%inclusion209 decks740 decks
6%synergy
Path of Ancestry
27%inclusion202 decks740 decks
-11%synergy
Orzhov Basilica
27%inclusion201 decks740 decks
13%synergy
Spectator Seating
26%inclusion196 decks740 decks
-5%synergy
Temple of Triumph
26%inclusion192 decks740 decks
4%synergy
Luxury Suite
26%inclusion192 decks740 decks
-5%synergy
Rakdos Carnarium
25%inclusion186 decks740 decks
13%synergy
Terramorphic Expanse
25%inclusion184 decks740 decks
6%synergy
Boros Garrison
25%inclusion182 decks740 decks
12%synergy
Sulfurous Springs
23%inclusion168 decks740 decks
-5%synergy
Temple of Malice
21%inclusion158 decks740 decks
5%synergy
Sundown Pass
20%inclusion150 decks740 decks
0%synergy
Myriad Landscape
19%inclusion144 decks740 decks
8%synergy
Shattered Sanctum
19%inclusion142 decks740 decks
-5%synergy
Haunted Ridge
19%inclusion139 decks740 decks
-1%synergy
Shadowblood Ridge
18%inclusion135 decks740 decks
3%synergy
Marsh Flats
16%inclusion118 decks740 decks
-15%synergy
Arid Mesa
15%inclusion113 decks740 decks
-16%synergy
Bloodstained Mire
15%inclusion112 decks740 decks
-18%synergy
Tainted Field
15%inclusion111 decks740 decks
3%synergy
Fetid Heath
14%inclusion101 decks740 decks
-7%synergy
Rugged Prairie
14%inclusion101 decks740 decks
-4%synergy
Foreboding Ruins
12%inclusion89 decks740 decks
1%synergy
Furycalm Snarl
11%inclusion78 decks740 decks
1%synergy
Shineshadow Snarl
10%inclusion75 decks740 decks
1%synergy
Bloodfell Caves
9.5%inclusion70 decks740 decks
1%synergy
Scoured Barrens
9.2%inclusion68 decks740 decks
0%synergy
Malakir Rebirth
9.1%inclusion67 decks740 decks
4%synergy
Brightclimb Pathway
8.2%inclusion61 decks740 decks
0%synergy
Wind-Scarred Crag
8.2%inclusion61 decks740 decks
0%synergy
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