Kelsien, the Plague (Commander) - Upgraded

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #420
379decks
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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Oft-Nabbed Goat
6.7%inclusion4 decks60 decks
6%synergy
Scarblade's Malice
3.4%inclusion2 decks59 decks
3%synergy
Hexing Squelcher
3.2%inclusion2 decks63 decks
-2%synergy
Soul Immolation
1.7%inclusion1 decks59 decks
1%synergy
Grave Venerations
1.7%inclusion1 decks60 decks
1%synergy
High Synergy Cards
Basilisk Collar
93%inclusion353 decks379 decks
89%synergy
Rune of Mortality
73%inclusion277 decks379 decks
72%synergy
Vorpal Sword
71%inclusion268 decks379 decks
68%synergy
Minthara, Merciless Soul
69%inclusion262 decks379 decks
67%synergy
Otharri, Suns' Glory
70%inclusion266 decks379 decks
64%synergy
Mari, the Killing Quill
70%inclusion266 decks379 decks
63%synergy
Thornbite Staff
64%inclusion244 decks379 decks
63%synergy
Gorgon's Head
64%inclusion243 decks379 decks
63%synergy
Sting, the Glinting Dagger
63%inclusion238 decks379 decks
61%synergy
Falthis, Shadowcat Familiar
59%inclusion223 decks379 decks
58%synergy
Top Cards
Morbid Opportunist
70%inclusion265 decks379 decks
52%synergy
Swiftfoot Boots
60%inclusion227 decks379 decks
28%synergy
Drumbellower
59%inclusion224 decks379 decks
57%synergy
Shay Cormac
59%inclusion222 decks376 decks
56%synergy
Open the Armory
56%inclusion212 decks379 decks
52%synergy
General's Enforcer
55%inclusion208 decks379 decks
46%synergy
Ruinous Ultimatum
51%inclusion192 decks379 decks
11%synergy
Gift of Doom
49%inclusion186 decks379 decks
48%synergy
Shadowspear
48%inclusion182 decks379 decks
44%synergy
Quietus Spike
46%inclusion173 decks379 decks
44%synergy
Game Changers
Smothering Tithe
21%inclusion80 decks379 decks
-5%synergy
Teferi's Protection
19%inclusion73 decks379 decks
-1%synergy
Enlightened Tutor
15%inclusion58 decks379 decks
3%synergy
Demonic Tutor
13%inclusion50 decks379 decks
-6%synergy
Orcish Bowmasters
9.2%inclusion35 decks379 decks
4%synergy
Farewell
8.4%inclusion32 decks379 decks
-3%synergy
Vampiric Tutor
5.5%inclusion21 decks379 decks
-9%synergy
Creatures
Lae'zel, Vlaakith's Champion
43%inclusion162 decks379 decks
41%synergy
Maha, Its Feathers Night
40%inclusion149 decks376 decks
38%synergy
Humble Defector
39%inclusion148 decks379 decks
37%synergy
Termination Facilitator
39%inclusion146 decks379 decks
37%synergy
White Plume Adventurer
38%inclusion144 decks379 decks
37%synergy
Daxos the Returned
38%inclusion144 decks379 decks
37%synergy
Magda, the Hoardmaster
38%inclusion143 decks378 decks
36%synergy
Mother of Runes
35%inclusion134 decks379 decks
28%synergy
Kalemne, Disciple of Iroas
35%inclusion131 decks379 decks
34%synergy
Slaughter Specialist
31%inclusion119 decks379 decks
30%synergy
Void Beckoner
31%inclusion118 decks379 decks
30%synergy
Goblin Sharpshooter
31%inclusion118 decks379 decks
30%synergy
Harvester of Souls
31%inclusion117 decks379 decks
28%synergy
Stoneforge Mystic
31%inclusion117 decks379 decks
28%synergy
Taii Wakeen, Perfect Shot
30%inclusion114 decks378 decks
29%synergy
Mathas, Fiend Seeker
30%inclusion114 decks379 decks
28%synergy
Puresteel Paladin
27%inclusion101 decks379 decks
23%synergy
Ertha Jo, Frontier Mentor
26%inclusion100 decks378 decks
26%synergy
Archetype of Finality
26%inclusion97 decks379 decks
25%synergy
Esper Sentinel
23%inclusion88 decks379 decks
5%synergy
Sun Titan
22%inclusion84 decks379 decks
12%synergy
Zagras, Thief of Heartbeats
20%inclusion77 decks379 decks
19%synergy
Athreos, Shroud-Veiled
20%inclusion76 decks379 decks
19%synergy
Akiri, Fearless Voyager
19%inclusion71 decks379 decks
16%synergy
Queen Marchesa
18%inclusion68 decks379 decks
12%synergy
Blood Cultist
18%inclusion68 decks379 decks
17%synergy
Marvin, Murderous Mimic
18%inclusion66 decks372 decks
16%synergy
Assault Intercessor
15%inclusion57 decks379 decks
14%synergy
Blood Artist
15%inclusion56 decks379 decks
-3%synergy
Sram, Senior Edificer
15%inclusion55 decks379 decks
12%synergy
Massacre Girl, Known Killer
12%inclusion47 decks379 decks
10%synergy
Deathbringer Thoctar
12%inclusion47 decks379 decks
12%synergy
Ankle Shanker
12%inclusion46 decks379 decks
9%synergy
Stonehewer Giant
12%inclusion46 decks379 decks
11%synergy
Kellan, the Fae-Blooded
12%inclusion45 decks379 decks
11%synergy
Kratos, Stoic Father
11%inclusion16 decks140 decks
11%synergy
Qarsi Revenant
11%inclusion35 decks313 decks
8%synergy
Bureau Headmaster
11%inclusion42 decks376 decks
11%synergy
Cunning Sparkmage
11%inclusion42 decks379 decks
11%synergy
Vulshok Sorcerer
11%inclusion41 decks379 decks
11%synergy
Clackbridge Troll
11%inclusion41 decks379 decks
10%synergy
Gisa, Glorious Resurrector
10%inclusion38 decks379 decks
9%synergy
Patrolling Peacemaker
9.4%inclusion19 decks202 decks
9%synergy
Solemn Simulacrum
9.2%inclusion35 decks379 decks
-4%synergy
Giver of Runes
9.0%inclusion34 decks379 decks
6%synergy
Robaran Mercenaries
8.4%inclusion32 decks379 decks
8%synergy
Royal Assassin
8.4%inclusion32 decks379 decks
5%synergy
Tor Wauki the Younger
8.4%inclusion32 decks379 decks
8%synergy
Armored Skyhunter
8.4%inclusion32 decks379 decks
7%synergy
Zuko, Firebending Master
8.3%inclusion10 decks120 decks
7%synergy
Instants
Boros Charm
44%inclusion165 decks379 decks
14%synergy
Swords to Plowshares
41%inclusion156 decks379 decks
-21%synergy
You Are Already Dead
40%inclusion150 decks379 decks
38%synergy
Stroke of Midnight
37%inclusion141 decks379 decks
25%synergy
Anguished Unmaking
33%inclusion124 decks379 decks
-1%synergy
Crackling Doom
31%inclusion118 decks379 decks
14%synergy
Generous Gift
28%inclusion106 decks379 decks
9%synergy
Path to Exile
27%inclusion101 decks379 decks
-20%synergy
Mirrodin Avenged
26%inclusion98 decks379 decks
25%synergy
Fracture
24%inclusion90 decks379 decks
18%synergy
Flawless Maneuver
20%inclusion77 decks379 decks
6%synergy
Deflecting Swat
16%inclusion62 decks379 decks
1%synergy
Despark
16%inclusion62 decks379 decks
2%synergy
Chaos Warp
15%inclusion58 decks379 decks
-1%synergy
Bladebrand
15%inclusion58 decks379 decks
15%synergy
Mortify
15%inclusion57 decks379 decks
0%synergy
Wear // Tear
14%inclusion54 decks379 decks
2%synergy
Rakdos Charm
13%inclusion50 decks379 decks
4%synergy
Malakir Rebirth
13%inclusion49 decks379 decks
8%synergy
Offer Immortality
13%inclusion49 decks379 decks
12%synergy
Dawn's Truce
13%inclusion48 decks375 decks
6%synergy
Dire Tactics
12%inclusion45 decks379 decks
9%synergy
Sejiri Shelter
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8%synergy
Terminate
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-2%synergy
Deflecting Palm
10%inclusion37 decks379 decks
3%synergy
Legion Leadership
9.3%inclusion35 decks378 decks
5%synergy
Untimely Malfunction
9.1%inclusion34 decks372 decks
4%synergy
Deadly Rollick
7.4%inclusion28 decks379 decks
-3%synergy
Dark Ritual
6.6%inclusion25 decks379 decks
-9%synergy
Bedevil
6.6%inclusion25 decks379 decks
0%synergy
Loran's Escape
6.6%inclusion25 decks379 decks
5%synergy
Inkshield
6.6%inclusion25 decks379 decks
-1%synergy
Thrill of Possibility
6.1%inclusion23 decks379 decks
-2%synergy
Fell the Profane
5.8%inclusion22 decks378 decks
-1%synergy
Utter End
5.8%inclusion22 decks379 decks
1%synergy
Toxin Analysis
5.5%inclusion21 decks379 decks
5%synergy
Tragic Slip
5.5%inclusion21 decks379 decks
4%synergy
Tainted Strike
5.3%inclusion20 decks379 decks
5%synergy
Blacksmith's Skill
5.0%inclusion19 decks379 decks
4%synergy
Touch of Moonglove
5.0%inclusion19 decks379 decks
5%synergy
Sorceries
Steelshaper's Gift
39%inclusion146 decks379 decks
35%synergy
Mythos of Snapdax
35%inclusion133 decks379 decks
29%synergy
Painful Truths
30%inclusion114 decks379 decks
22%synergy
Night's Whisper
28%inclusion106 decks379 decks
15%synergy
Read the Bones
25%inclusion96 decks379 decks
16%synergy
Vandalblast
22%inclusion83 decks379 decks
11%synergy
Call of the Death-Dweller
21%inclusion78 decks379 decks
20%synergy
Sevinne's Reclamation
20%inclusion74 decks379 decks
12%synergy
Blasphemous Act
18%inclusion69 decks379 decks
-4%synergy
Sign in Blood
17%inclusion65 decks379 decks
9%synergy
Damn
14%inclusion52 decks379 decks
-4%synergy
Chandra's Ignition
12%inclusion47 decks379 decks
10%synergy
Drown in Ichor
9.5%inclusion36 decks379 decks
9%synergy
Faithless Looting
9.2%inclusion35 decks379 decks
-6%synergy
Toxic Deluge
9.2%inclusion35 decks379 decks
1%synergy
Single Combat
8.7%inclusion33 decks379 decks
7%synergy
Vindicate
7.9%inclusion30 decks379 decks
2%synergy
Unearth
7.4%inclusion28 decks379 decks
5%synergy
Unfinished Business
6.1%inclusion23 decks379 decks
5%synergy
Austere Command
5.8%inclusion22 decks379 decks
-2%synergy
Reanimate
5.5%inclusion21 decks379 decks
-11%synergy
Feed the Swarm
5.3%inclusion20 decks379 decks
0%synergy
Tempt with Bunnies
5.1%inclusion19 decks374 decks
4%synergy
Utility Artifacts
Gorgon Flail
43%inclusion162 decks379 decks
42%synergy
Magewright's Stone
39%inclusion149 decks379 decks
38%synergy
Illusionist's Bracers
29%inclusion111 decks379 decks
28%synergy
Thousand-Year Elixir
27%inclusion104 decks379 decks
26%synergy
Hunter's Blowgun
26%inclusion97 decks379 decks
25%synergy
Lightning Greaves
25%inclusion95 decks379 decks
-9%synergy
Mithril Coat
22%inclusion82 decks379 decks
16%synergy
Glaring Spotlight
17%inclusion65 decks379 decks
17%synergy
Sword of the Animist
15%inclusion58 decks379 decks
6%synergy
Brotherhood Regalia
15%inclusion55 decks376 decks
11%synergy
Hammer of Nazahn
13%inclusion50 decks379 decks
11%synergy
Whispersilk Cloak
13%inclusion48 decks379 decks
7%synergy
Battlemage's Bracers
13%inclusion48 decks379 decks
12%synergy
Sword of Truth and Justice
11%inclusion42 decks379 decks
10%synergy
Robe of Stars
11%inclusion40 decks379 decks
10%synergy
Wayfarer's Bauble
10%inclusion39 decks379 decks
2%synergy
The Masamune
8.8%inclusion21 decks239 decks
8%synergy
The Reaver Cleaver
8.7%inclusion33 decks379 decks
2%synergy
Hidden Blade
8.7%inclusion33 decks379 decks
8%synergy
Darksteel Plate
8.7%inclusion33 decks379 decks
7%synergy
Puppet Strings
7.9%inclusion30 decks379 decks
8%synergy
Haystack
7.4%inclusion28 decks379 decks
6%synergy
Sword of Feast and Famine
7.1%inclusion27 decks379 decks
4%synergy
Dragonfire Blade
6.9%inclusion21 decks305 decks
5%synergy
Mask of Griselbrand
6.9%inclusion26 decks379 decks
6%synergy
Reaper's Talisman
6.1%inclusion23 decks379 decks
6%synergy
Conqueror's Flail
5.8%inclusion22 decks379 decks
5%synergy
Halo Fountain
5.3%inclusion20 decks379 decks
5%synergy
Skullclamp
5.3%inclusion20 decks379 decks
-24%synergy
Scythe of the Wretched
5.3%inclusion20 decks379 decks
5%synergy
Sunforger
5.0%inclusion19 decks379 decks
2%synergy
Enchantments
Fighter Class
44%inclusion166 decks379 decks
41%synergy
Phyrexian Arena
29%inclusion111 decks379 decks
10%synergy
Dazzling Theater // Prop Room
28%inclusion105 decks372 decks
26%synergy
All-Out Assault
28%inclusion87 decks313 decks
16%synergy
Aspect of Gorgon
25%inclusion96 decks379 decks
25%synergy
Revel in Riches
22%inclusion83 decks379 decks
15%synergy
Sigarda's Aid
21%inclusion81 decks379 decks
18%synergy
Reconnaissance
20%inclusion76 decks379 decks
9%synergy
Forge Anew
19%inclusion73 decks379 decks
17%synergy
Black Market Connections
19%inclusion73 decks379 decks
3%synergy
Agent of the Shadow Thieves
16%inclusion62 decks379 decks
16%synergy
Black Market
15%inclusion56 decks379 decks
9%synergy
Retreat to Hagra
15%inclusion55 decks379 decks
14%synergy
At Knifepoint
12%inclusion45 decks378 decks
10%synergy
Death Pits of Rath
12%inclusion45 decks379 decks
12%synergy
Nowhere to Run
10%inclusion39 decks376 decks
10%synergy
Ghostly Prison
10%inclusion38 decks379 decks
3%synergy
Kaya's Ghostform
9.0%inclusion34 decks379 decks
7%synergy
Grave Betrayal
8.7%inclusion33 decks379 decks
8%synergy
Gift of Immortality
8.4%inclusion32 decks379 decks
7%synergy
Trouble in Pairs
8.2%inclusion31 decks379 decks
3%synergy
Land Tax
7.7%inclusion29 decks379 decks
1%synergy
Eternal Thirst
7.4%inclusion28 decks379 decks
7%synergy
Spiteful Banditry
6.3%inclusion24 decks379 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
6.3%inclusion24 decks379 decks
6%synergy
Utility Lands
Vault of the Archangel
53%inclusion199 decks379 decks
30%synergy
Rogue's Passage
50%inclusion189 decks379 decks
26%synergy
Bojuka Bog
43%inclusion164 decks379 decks
12%synergy
Arcane Lighthouse
39%inclusion146 decks379 decks
37%synergy
Detection Tower
26%inclusion97 decks379 decks
25%synergy
Axgard Armory
22%inclusion83 decks379 decks
20%synergy
Karn's Bastion
21%inclusion78 decks379 decks
20%synergy
Buried Ruin
17%inclusion65 decks379 decks
14%synergy
Urborg, Tomb of Yawgmoth
15%inclusion55 decks379 decks
1%synergy
Shizo, Death's Storehouse
13%inclusion50 decks379 decks
6%synergy
Reliquary Tower
12%inclusion45 decks379 decks
-4%synergy
Urza's Saga
12%inclusion44 decks379 decks
7%synergy
Sunhome, Fortress of the Legion
10%inclusion38 decks379 decks
6%synergy
Temple of the False God
6.9%inclusion26 decks379 decks
1%synergy
Command Beacon
6.1%inclusion23 decks379 decks
0%synergy
Eiganjo, Seat of the Empire
5.3%inclusion20 decks379 decks
-1%synergy
Maze of Ith
5.0%inclusion19 decks379 decks
1%synergy
Mana Artifacts
Sol Ring
87%inclusion328 decks379 decks
-2%synergy
Arcane Signet
84%inclusion320 decks379 decks
-2%synergy
Patriar's Seal
56%inclusion214 decks379 decks
54%synergy
Talisman of Hierarchy
42%inclusion159 decks379 decks
1%synergy
Orzhov Signet
41%inclusion154 decks379 decks
8%synergy
Talisman of Conviction
38%inclusion143 decks379 decks
-4%synergy
Rakdos Signet
37%inclusion140 decks379 decks
7%synergy
Talisman of Indulgence
35%inclusion134 decks379 decks
-2%synergy
Boros Signet
35%inclusion131 decks379 decks
6%synergy
Fellwar Stone
24%inclusion92 decks379 decks
-4%synergy
Bounty Board
22%inclusion83 decks378 decks
20%synergy
Commander's Sphere
14%inclusion53 decks379 decks
-1%synergy
Aetheric Amplifier
13%inclusion46 decks363 decks
12%synergy
Bandit's Haul
12%inclusion45 decks378 decks
11%synergy
Chromatic Lantern
8.4%inclusion32 decks379 decks
-3%synergy
Mind Stone
6.9%inclusion26 decks379 decks
-2%synergy
Lands
Swamp
97%inclusion368 decks379 decks
2%synergy
Plains
96%inclusion365 decks379 decks
1%synergy
Command Tower
96%inclusion362 decks379 decks
3%synergy
Mountain
94%inclusion357 decks379 decks
0%synergy
Nomad Outpost
62%inclusion236 decks379 decks
4%synergy
Exotic Orchard
61%inclusion233 decks379 decks
10%synergy
Savai Triome
58%inclusion218 decks379 decks
19%synergy
Godless Shrine
54%inclusion204 decks379 decks
7%synergy
Isolated Chapel
53%inclusion201 decks379 decks
0%synergy
Sacred Foundry
51%inclusion194 decks379 decks
7%synergy
Dragonskull Summit
50%inclusion190 decks379 decks
-2%synergy
Clifftop Retreat
50%inclusion188 decks379 decks
-1%synergy
Blood Crypt
49%inclusion185 decks379 decks
5%synergy
Forbidden Orchard
47%inclusion177 decks379 decks
44%synergy
Caves of Koilos
46%inclusion176 decks379 decks
7%synergy
Vault of Champions
46%inclusion173 decks379 decks
13%synergy
Battlefield Forge
45%inclusion170 decks379 decks
5%synergy
Spectator Seating
42%inclusion159 decks379 decks
10%synergy
Luxury Suite
39%inclusion147 decks379 decks
7%synergy
Marsh Flats
33%inclusion126 decks379 decks
2%synergy
Bloodstained Mire
33%inclusion125 decks379 decks
1%synergy
Arid Mesa
32%inclusion121 decks379 decks
1%synergy
Smoldering Marsh
31%inclusion117 decks379 decks
-5%synergy
Sulfurous Springs
28%inclusion105 decks379 decks
0%synergy
Shattered Sanctum
28%inclusion105 decks379 decks
4%synergy
Sundown Pass
26%inclusion98 decks379 decks
5%synergy
Path of Ancestry
25%inclusion94 decks379 decks
-13%synergy
Haunted Ridge
25%inclusion94 decks379 decks
5%synergy
Orzhov Basilica
21%inclusion80 decks379 decks
7%synergy
Evolving Wilds
21%inclusion79 decks379 decks
-6%synergy
Fetid Heath
20%inclusion77 decks379 decks
0%synergy
Rugged Prairie
20%inclusion74 decks379 decks
3%synergy
Temple of Silence
19%inclusion73 decks379 decks
-4%synergy
Shattered Landscape
19%inclusion71 decks377 decks
0%synergy
Boros Garrison
17%inclusion65 decks379 decks
4%synergy
Temple of Triumph
17%inclusion64 decks379 decks
-5%synergy
Rakdos Carnarium
17%inclusion63 decks379 decks
5%synergy
Brightclimb Pathway
15%inclusion56 decks379 decks
6%synergy
Temple of Malice
14%inclusion54 decks379 decks
-3%synergy
Needleverge Pathway
14%inclusion54 decks379 decks
6%synergy
Terramorphic Expanse
13%inclusion51 decks379 decks
-6%synergy
Shadowblood Ridge
13%inclusion49 decks379 decks
-2%synergy
Malakir Rebirth
13%inclusion49 decks379 decks
8%synergy
Fabled Passage
12%inclusion47 decks379 decks
4%synergy
Tainted Field
12%inclusion45 decks379 decks
0%synergy
Blazemire Verge
12%inclusion44 decks372 decks
0%synergy
Graven Cairns
12%inclusion44 decks379 decks
0%synergy
Plaza of Heroes
12%inclusion44 decks379 decks
7%synergy
Myriad Landscape
11%inclusion43 decks379 decks
-1%synergy
Shadowy Backstreet
11%inclusion42 decks379 decks
1%synergy
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