Kelsien, the Plague (Commander) - Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #415
753decks
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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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Kinscaer Sentry
2.6%inclusion1 decks38 decks
0%synergy
Unbury
2.6%inclusion1 decks39 decks
2%synergy
High Synergy Cards
Basilisk Collar
84%inclusion635 decks753 decks
80%synergy
Minthara, Merciless Soul
78%inclusion587 decks753 decks
76%synergy
Rune of Mortality
74%inclusion554 decks753 decks
72%synergy
Otharri, Suns' Glory
78%inclusion585 decks753 decks
72%synergy
Vorpal Sword
65%inclusion493 decks753 decks
63%synergy
Falthis, Shadowcat Familiar
63%inclusion475 decks753 decks
62%synergy
Gorgon's Head
62%inclusion467 decks753 decks
61%synergy
You Are Already Dead
61%inclusion459 decks753 decks
59%synergy
Mari, the Killing Quill
65%inclusion487 decks753 decks
58%synergy
Sting, the Glinting Dagger
59%inclusion447 decks753 decks
58%synergy
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Morbid Opportunist
74%inclusion554 decks753 decks
56%synergy
Drumbellower
57%inclusion429 decks753 decks
55%synergy
General's Enforcer
56%inclusion421 decks753 decks
47%synergy
Swiftfoot Boots
55%inclusion414 decks753 decks
23%synergy
Shay Cormac
55%inclusion349 decks636 decks
52%synergy
Mirrodin Avenged
48%inclusion361 decks753 decks
47%synergy
Humble Defector
48%inclusion360 decks753 decks
45%synergy
Kalemne, Disciple of Iroas
47%inclusion357 decks753 decks
47%synergy
Gift of Doom
47%inclusion356 decks753 decks
46%synergy
Crackling Doom
47%inclusion352 decks753 decks
30%synergy
Creatures
Termination Facilitator
46%inclusion349 decks753 decks
45%synergy
Mathas, Fiend Seeker
45%inclusion336 decks753 decks
43%synergy
Slaughter Specialist
44%inclusion331 decks753 decks
43%synergy
Lae'zel, Vlaakith's Champion
44%inclusion331 decks753 decks
42%synergy
Harvester of Souls
42%inclusion313 decks753 decks
38%synergy
Daxos the Returned
41%inclusion308 decks753 decks
40%synergy
Taii Wakeen, Perfect Shot
41%inclusion290 decks712 decks
40%synergy
Magda, the Hoardmaster
39%inclusion277 decks712 decks
37%synergy
Archetype of Finality
37%inclusion279 decks753 decks
36%synergy
White Plume Adventurer
37%inclusion278 decks753 decks
36%synergy
Void Beckoner
36%inclusion274 decks753 decks
36%synergy
Blood Cultist
33%inclusion247 decks753 decks
32%synergy
Ertha Jo, Frontier Mentor
32%inclusion227 decks712 decks
31%synergy
Maha, Its Feathers Night
31%inclusion191 decks610 decks
30%synergy
Zagras, Thief of Heartbeats
29%inclusion219 decks753 decks
28%synergy
Sun Titan
27%inclusion207 decks753 decks
17%synergy
Ankle Shanker
26%inclusion197 decks753 decks
23%synergy
Mother of Runes
24%inclusion181 decks753 decks
16%synergy
Assault Intercessor
22%inclusion169 decks753 decks
22%synergy
Goblin Sharpshooter
22%inclusion164 decks753 decks
21%synergy
Clackbridge Troll
21%inclusion158 decks753 decks
21%synergy
Cunning Sparkmage
21%inclusion158 decks753 decks
21%synergy
Athreos, Shroud-Veiled
21%inclusion157 decks753 decks
19%synergy
Queen Marchesa
20%inclusion152 decks753 decks
14%synergy
Marvin, Murderous Mimic
20%inclusion112 decks555 decks
19%synergy
Deathbringer Thoctar
20%inclusion151 decks753 decks
20%synergy
Tor Wauki the Younger
19%inclusion146 decks753 decks
19%synergy
Vulshok Sorcerer
18%inclusion137 decks753 decks
18%synergy
Akiri, Fearless Voyager
17%inclusion131 decks753 decks
15%synergy
Robaran Mercenaries
16%inclusion124 decks753 decks
16%synergy
Solemn Simulacrum
16%inclusion118 decks753 decks
3%synergy
Grateful Apparition
15%inclusion114 decks753 decks
15%synergy
Puresteel Paladin
15%inclusion110 decks753 decks
11%synergy
Massacre Girl, Known Killer
14%inclusion109 decks753 decks
12%synergy
Royal Assassin
14%inclusion104 decks753 decks
11%synergy
Torbran, Thane of Red Fell
14%inclusion102 decks753 decks
13%synergy
Onyx Mage
13%inclusion95 decks753 decks
12%synergy
Blood Artist
12%inclusion88 decks753 decks
-6%synergy
Rakdos Ickspitter
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11%synergy
Gisa, Glorious Resurrector
11%inclusion80 decks753 decks
10%synergy
Jirina, Dauntless General
10%inclusion78 decks753 decks
8%synergy
Kratos, Stoic Father
10%inclusion14 decks139 decks
10%synergy
Azula, Ruthless Firebender
10%inclusion11 decks110 decks
10%synergy
Aang, Airbending Master
10%inclusion17 decks171 decks
9%synergy
Norn's Choirmaster
10%inclusion72 decks753 decks
9%synergy
Bureau Headmaster
9.5%inclusion60 decks632 decks
9%synergy
Sram, Senior Edificer
8.6%inclusion65 decks753 decks
6%synergy
Patrolling Peacemaker
8.6%inclusion16 decks187 decks
8%synergy
Zuko, Firebending Master
8.3%inclusion9 decks109 decks
6%synergy
Prodigal Pyromancer
8.2%inclusion62 decks753 decks
8%synergy
Instants
Swords to Plowshares
44%inclusion330 decks753 decks
-18%synergy
Boros Charm
38%inclusion287 decks753 decks
9%synergy
Stroke of Midnight
34%inclusion256 decks753 decks
22%synergy
Fracture
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26%synergy
Despark
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15%synergy
Offer Immortality
29%inclusion218 decks753 decks
28%synergy
Generous Gift
28%inclusion214 decks753 decks
9%synergy
Path to Exile
26%inclusion198 decks753 decks
-20%synergy
Bladebrand
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26%synergy
Anguished Unmaking
24%inclusion179 decks753 decks
-10%synergy
Terminate
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8%synergy
Dire Tactics
19%inclusion144 decks753 decks
16%synergy
Mortify
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4%synergy
Chaos Warp
14%inclusion109 decks753 decks
-2%synergy
Virulent Swipe
14%inclusion105 decks753 decks
14%synergy
Rakdos Charm
12%inclusion94 decks753 decks
4%synergy
Wear // Tear
12%inclusion92 decks753 decks
0%synergy
Flawless Maneuver
11%inclusion86 decks753 decks
-3%synergy
Toxin Analysis
11%inclusion81 decks753 decks
11%synergy
Battle-Rage Blessing
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10%synergy
Tragic Slip
10%inclusion75 decks753 decks
9%synergy
Bedevil
10%inclusion73 decks753 decks
3%synergy
Dawn's Truce
10%inclusion59 decks609 decks
3%synergy
Thrill of Possibility
10%inclusion72 decks753 decks
2%synergy
Volt Charge
9.3%inclusion70 decks753 decks
9%synergy
Whisper of the Dross
8.8%inclusion66 decks753 decks
9%synergy
Deflecting Palm
8.8%inclusion66 decks753 decks
2%synergy
Malakir Rebirth
8.0%inclusion60 decks753 decks
3%synergy
Sejiri Shelter
7.8%inclusion59 decks753 decks
6%synergy
Legion Leadership
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3%synergy
Touch of Moonglove
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8%synergy
Utter End
6.6%inclusion50 decks753 decks
2%synergy
Untimely Malfunction
6.6%inclusion37 decks562 decks
2%synergy
Inevitable Defeat
5.6%inclusion19 decks339 decks
0%synergy
Alchemist's Gift
5.3%inclusion40 decks753 decks
5%synergy
To Arms!
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5%synergy
Sorceries
Open the Armory
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39%synergy
Ruinous Ultimatum
41%inclusion307 decks753 decks
1%synergy
Mythos of Snapdax
38%inclusion284 decks753 decks
32%synergy
Painful Truths
35%inclusion264 decks753 decks
26%synergy
Read the Bones
32%inclusion241 decks753 decks
22%synergy
Call of the Death-Dweller
28%inclusion210 decks753 decks
27%synergy
Drown in Ichor
22%inclusion169 decks753 decks
22%synergy
Night's Whisper
22%inclusion167 decks753 decks
9%synergy
Sign in Blood
22%inclusion163 decks753 decks
13%synergy
Blasphemous Act
17%inclusion130 decks753 decks
-5%synergy
Vandalblast
15%inclusion116 decks753 decks
5%synergy
Steelshaper's Gift
14%inclusion104 decks753 decks
11%synergy
Sevinne's Reclamation
13%inclusion98 decks753 decks
5%synergy
Vindicate
13%inclusion97 decks753 decks
7%synergy
Unfinished Business
12%inclusion92 decks753 decks
12%synergy
Damn
12%inclusion87 decks753 decks
-7%synergy
Single Combat
11%inclusion82 decks753 decks
9%synergy
Unearth
10%inclusion78 decks753 decks
8%synergy
Chandra's Ignition
10%inclusion76 decks753 decks
8%synergy
Vat Emergence
10%inclusion73 decks753 decks
10%synergy
Austere Command
10%inclusion73 decks753 decks
2%synergy
Faithless Looting
8.9%inclusion67 decks753 decks
-6%synergy
Feed the Swarm
7.7%inclusion58 decks753 decks
3%synergy
Rip Apart
6.6%inclusion50 decks753 decks
6%synergy
Ambition's Cost
5.8%inclusion44 decks753 decks
4%synergy
Farewell
5.7%inclusion43 decks753 decks
-5%synergy
Tempt with Bunnies
5.3%inclusion32 decks603 decks
5%synergy
Divine Reckoning
5.0%inclusion38 decks753 decks
5%synergy
Utility Artifacts
Gorgon Flail
43%inclusion324 decks753 decks
42%synergy
Thornbite Staff
43%inclusion324 decks753 decks
42%synergy
Quietus Spike
43%inclusion322 decks753 decks
41%synergy
Hunter's Blowgun
34%inclusion253 decks753 decks
33%synergy
Magewright's Stone
33%inclusion246 decks753 decks
32%synergy
Illusionist's Bracers
28%inclusion208 decks753 decks
26%synergy
Shadowspear
25%inclusion190 decks753 decks
21%synergy
Thousand-Year Elixir
25%inclusion185 decks753 decks
23%synergy
Glaring Spotlight
17%inclusion125 decks753 decks
16%synergy
Battlemage's Bracers
16%inclusion121 decks753 decks
15%synergy
Wayfarer's Bauble
16%inclusion119 decks753 decks
7%synergy
Lightning Greaves
14%inclusion109 decks753 decks
-20%synergy
Puppet Strings
12%inclusion94 decks753 decks
12%synergy
Whispersilk Cloak
12%inclusion87 decks753 decks
6%synergy
Brotherhood Regalia
11%inclusion68 decks635 decks
7%synergy
Mithril Coat
10%inclusion79 decks753 decks
5%synergy
Hidden Blade
9.2%inclusion68 decks738 decks
8%synergy
Mask of Griselbrand
8.4%inclusion63 decks753 decks
7%synergy
Loxodon Warhammer
7.4%inclusion56 decks753 decks
5%synergy
Reaper's Talisman
7.2%inclusion54 decks753 decks
7%synergy
Sword of the Animist
6.8%inclusion51 decks753 decks
-3%synergy
Sword of Truth and Justice
5.8%inclusion44 decks753 decks
5%synergy
Halo Fountain
5.6%inclusion42 decks753 decks
5%synergy
Contagion Clasp
5.6%inclusion42 decks753 decks
5%synergy
Dragonfire Blade
5.4%inclusion16 decks297 decks
4%synergy
Enchantments
Aspect of Gorgon
31%inclusion231 decks753 decks
30%synergy
Dazzling Theater // Prop Room
30%inclusion167 decks551 decks
28%synergy
Phyrexian Arena
27%inclusion206 decks753 decks
8%synergy
Fighter Class
26%inclusion195 decks753 decks
23%synergy
All-Out Assault
24%inclusion71 decks302 decks
11%synergy
At Knifepoint
22%inclusion157 decks712 decks
20%synergy
Retreat to Hagra
19%inclusion146 decks753 decks
19%synergy
Death Pits of Rath
16%inclusion123 decks753 decks
16%synergy
Agent of the Shadow Thieves
16%inclusion120 decks753 decks
15%synergy
Black Market
15%inclusion113 decks753 decks
9%synergy
Reconnaissance
14%inclusion109 decks753 decks
4%synergy
Revel in Riches
13%inclusion101 decks753 decks
7%synergy
Eternal Thirst
12%inclusion90 decks753 decks
12%synergy
Forge Anew
10%inclusion74 decks753 decks
7%synergy
Nowhere to Run
8.7%inclusion54 decks619 decks
8%synergy
Black Market Connections
8.4%inclusion63 decks753 decks
-7%synergy
Sigarda's Aid
7.7%inclusion58 decks753 decks
5%synergy
Kaya's Ghostform
7.7%inclusion58 decks753 decks
6%synergy
Grave Betrayal
7.6%inclusion57 decks753 decks
7%synergy
Glasswing Grace
6.9%inclusion46 decks664 decks
5%synergy
Life Insurance
5.8%inclusion44 decks753 decks
3%synergy
Feast of the Victorious Dead
5.7%inclusion43 decks753 decks
5%synergy
Gift of Immortality
5.2%inclusion39 decks753 decks
4%synergy
Derelict Attic // Widow's Walk
5.1%inclusion28 decks551 decks
5%synergy
Eye of Nidhogg
5.0%inclusion12 decks239 decks
4%synergy
Planeswalkers
Kaya, Geist Hunter
8.9%inclusion67 decks753 decks
5%synergy
Vraska, Betrayal's Sting
8.8%inclusion66 decks753 decks
8%synergy
Dihada, Binder of Wills
7.2%inclusion54 decks753 decks
3%synergy
Utility Lands
Vault of the Archangel
53%inclusion398 decks753 decks
30%synergy
Rogue's Passage
52%inclusion391 decks753 decks
28%synergy
Bojuka Bog
37%inclusion276 decks753 decks
6%synergy
Arcane Lighthouse
27%inclusion204 decks753 decks
26%synergy
Detection Tower
25%inclusion185 decks753 decks
24%synergy
Karn's Bastion
24%inclusion183 decks753 decks
23%synergy
Axgard Armory
17%inclusion126 decks753 decks
15%synergy
Sunhome, Fortress of the Legion
10%inclusion79 decks753 decks
7%synergy
Buried Ruin
10%inclusion73 decks753 decks
6%synergy
Temple of the False God
7.8%inclusion59 decks753 decks
1%synergy
Reliquary Tower
7.4%inclusion56 decks753 decks
-8%synergy
Shizo, Death's Storehouse
5.8%inclusion44 decks753 decks
-1%synergy
Urborg, Tomb of Yawgmoth
5.2%inclusion39 decks753 decks
-8%synergy
Mana Artifacts
Arcane Signet
87%inclusion655 decks753 decks
1%synergy
Sol Ring
79%inclusion596 decks753 decks
-10%synergy
Patriar's Seal
59%inclusion446 decks753 decks
57%synergy
Orzhov Signet
53%inclusion401 decks753 decks
21%synergy
Rakdos Signet
50%inclusion379 decks753 decks
20%synergy
Boros Signet
46%inclusion348 decks753 decks
17%synergy
Talisman of Conviction
32%inclusion238 decks753 decks
-10%synergy
Talisman of Hierarchy
31%inclusion236 decks753 decks
-10%synergy
Talisman of Indulgence
25%inclusion186 decks753 decks
-12%synergy
Fellwar Stone
24%inclusion182 decks753 decks
-4%synergy
Bounty Board
23%inclusion159 decks705 decks
20%synergy
Commander's Sphere
22%inclusion166 decks753 decks
7%synergy
Bandit's Haul
12%inclusion87 decks709 decks
11%synergy
Aetheric Amplifier
12%inclusion46 decks387 decks
12%synergy
Chromatic Lantern
8.1%inclusion61 decks753 decks
-3%synergy
Savai Crystal
7.7%inclusion58 decks753 decks
6%synergy
Mardu Banner
7.4%inclusion56 decks753 decks
4%synergy
Mind Stone
6.1%inclusion46 decks753 decks
-2%synergy
Staff of Compleation
6.0%inclusion45 decks753 decks
6%synergy
Lands
Swamp
99%inclusion744 decks753 decks
4%synergy
Plains
99%inclusion743 decks753 decks
4%synergy
Mountain
98%inclusion739 decks753 decks
4%synergy
Command Tower
92%inclusion696 decks753 decks
0%synergy
Nomad Outpost
76%inclusion572 decks753 decks
18%synergy
Exotic Orchard
63%inclusion472 decks753 decks
11%synergy
Clifftop Retreat
48%inclusion364 decks753 decks
-2%synergy
Dragonskull Summit
48%inclusion364 decks753 decks
-3%synergy
Isolated Chapel
48%inclusion361 decks753 decks
-5%synergy
Smoldering Marsh
43%inclusion326 decks753 decks
7%synergy
Caves of Koilos
43%inclusion322 decks753 decks
3%synergy
Battlefield Forge
42%inclusion313 decks753 decks
2%synergy
Evolving Wilds
39%inclusion292 decks753 decks
12%synergy
Savai Triome
37%inclusion279 decks753 decks
-1%synergy
Forbidden Orchard
34%inclusion256 decks753 decks
31%synergy
Shattered Landscape
31%inclusion204 decks658 decks
12%synergy
Godless Shrine
28%inclusion213 decks753 decks
-19%synergy
Path of Ancestry
28%inclusion211 decks753 decks
-10%synergy
Temple of Silence
28%inclusion211 decks753 decks
5%synergy
Vault of Champions
28%inclusion210 decks753 decks
-5%synergy
Orzhov Basilica
27%inclusion201 decks753 decks
12%synergy
Spectator Seating
27%inclusion200 decks753 decks
-5%synergy
Sacred Foundry
26%inclusion199 decks753 decks
-18%synergy
Blood Crypt
26%inclusion199 decks753 decks
-17%synergy
Temple of Triumph
26%inclusion198 decks753 decks
4%synergy
Terramorphic Expanse
26%inclusion193 decks753 decks
6%synergy
Luxury Suite
26%inclusion193 decks753 decks
-6%synergy
Rakdos Carnarium
25%inclusion191 decks753 decks
13%synergy
Boros Garrison
25%inclusion185 decks753 decks
11%synergy
Sulfurous Springs
22%inclusion166 decks753 decks
-5%synergy
Temple of Malice
21%inclusion160 decks753 decks
4%synergy
Myriad Landscape
20%inclusion150 decks753 decks
8%synergy
Sundown Pass
19%inclusion146 decks753 decks
-1%synergy
Shadowblood Ridge
19%inclusion140 decks753 decks
3%synergy
Shattered Sanctum
18%inclusion133 decks753 decks
-6%synergy
Haunted Ridge
17%inclusion130 decks753 decks
-3%synergy
Tainted Field
16%inclusion117 decks753 decks
4%synergy
Marsh Flats
15%inclusion116 decks753 decks
-16%synergy
Arid Mesa
14%inclusion105 decks753 decks
-17%synergy
Bloodstained Mire
14%inclusion104 decks753 decks
-19%synergy
Rugged Prairie
13%inclusion95 decks753 decks
-4%synergy
Fetid Heath
12%inclusion93 decks753 decks
-8%synergy
Foreboding Ruins
12%inclusion88 decks753 decks
1%synergy
Bloodfell Caves
10%inclusion79 decks753 decks
1%synergy
Shineshadow Snarl
10%inclusion77 decks753 decks
1%synergy
Furycalm Snarl
10%inclusion76 decks753 decks
1%synergy
Scoured Barrens
9.4%inclusion71 decks753 decks
0%synergy
Tainted Peak
8.4%inclusion63 decks753 decks
-2%synergy
Wind-Scarred Crag
8.1%inclusion61 decks753 decks
0%synergy
Malakir Rebirth
8.0%inclusion60 decks753 decks
3%synergy
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