Kelsien, the Plague (Commander) - Upgraded

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #415
376decks
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
9.1%inclusion4 decks44 decks
9%synergy
Collective Inferno
4.5%inclusion2 decks44 decks
3%synergy
Hexing Squelcher
4.3%inclusion2 decks47 decks
-1%synergy
Soul Immolation
2.3%inclusion1 decks43 decks
2%synergy
Scarblade's Malice
2.3%inclusion1 decks43 decks
2%synergy
High Synergy Cards
Basilisk Collar
93%inclusion349 decks376 decks
88%synergy
Rune of Mortality
74%inclusion277 decks376 decks
72%synergy
Vorpal Sword
70%inclusion264 decks376 decks
68%synergy
Minthara, Merciless Soul
69%inclusion261 decks376 decks
68%synergy
Otharri, Suns' Glory
70%inclusion265 decks376 decks
65%synergy
Mari, the Killing Quill
70%inclusion263 decks376 decks
63%synergy
Thornbite Staff
65%inclusion243 decks376 decks
63%synergy
Gorgon's Head
64%inclusion242 decks376 decks
63%synergy
Sting, the Glinting Dagger
62%inclusion234 decks376 decks
60%synergy
Falthis, Shadowcat Familiar
59%inclusion221 decks376 decks
57%synergy
Top Cards
Morbid Opportunist
69%inclusion261 decks376 decks
52%synergy
Swiftfoot Boots
60%inclusion225 decks376 decks
28%synergy
Drumbellower
59%inclusion222 decks376 decks
57%synergy
Shay Cormac
58%inclusion217 decks372 decks
55%synergy
Open the Armory
56%inclusion211 decks376 decks
52%synergy
General's Enforcer
55%inclusion207 decks376 decks
47%synergy
Ruinous Ultimatum
51%inclusion191 decks376 decks
12%synergy
Gift of Doom
49%inclusion183 decks376 decks
48%synergy
Shadowspear
48%inclusion181 decks376 decks
44%synergy
Quietus Spike
45%inclusion168 decks376 decks
43%synergy
Game Changers
Smothering Tithe
21%inclusion78 decks376 decks
-5%synergy
Teferi's Protection
19%inclusion71 decks376 decks
-1%synergy
Enlightened Tutor
15%inclusion57 decks376 decks
3%synergy
Demonic Tutor
13%inclusion48 decks376 decks
-6%synergy
Orcish Bowmasters
9.0%inclusion34 decks376 decks
4%synergy
Vampiric Tutor
5.3%inclusion20 decks376 decks
-9%synergy
Creatures
Lae'zel, Vlaakith's Champion
43%inclusion161 decks376 decks
41%synergy
Humble Defector
40%inclusion151 decks376 decks
38%synergy
Maha, Its Feathers Night
40%inclusion148 decks372 decks
39%synergy
Termination Facilitator
39%inclusion146 decks376 decks
37%synergy
Daxos the Returned
38%inclusion144 decks376 decks
37%synergy
White Plume Adventurer
38%inclusion144 decks376 decks
37%synergy
Magda, the Hoardmaster
38%inclusion142 decks374 decks
36%synergy
Kalemne, Disciple of Iroas
35%inclusion130 decks376 decks
34%synergy
Mother of Runes
34%inclusion129 decks376 decks
27%synergy
Void Beckoner
32%inclusion121 decks376 decks
31%synergy
Slaughter Specialist
32%inclusion121 decks376 decks
31%synergy
Harvester of Souls
32%inclusion119 decks376 decks
28%synergy
Goblin Sharpshooter
31%inclusion117 decks376 decks
30%synergy
Stoneforge Mystic
31%inclusion115 decks376 decks
28%synergy
Taii Wakeen, Perfect Shot
30%inclusion114 decks374 decks
30%synergy
Mathas, Fiend Seeker
30%inclusion111 decks376 decks
27%synergy
Ertha Jo, Frontier Mentor
26%inclusion99 decks374 decks
26%synergy
Puresteel Paladin
26%inclusion98 decks376 decks
22%synergy
Archetype of Finality
26%inclusion97 decks376 decks
25%synergy
Esper Sentinel
23%inclusion88 decks376 decks
5%synergy
Sun Titan
23%inclusion85 decks376 decks
12%synergy
Zagras, Thief of Heartbeats
20%inclusion77 decks376 decks
19%synergy
Athreos, Shroud-Veiled
20%inclusion74 decks376 decks
18%synergy
Blood Cultist
19%inclusion70 decks376 decks
18%synergy
Akiri, Fearless Voyager
19%inclusion70 decks376 decks
16%synergy
Marvin, Murderous Mimic
18%inclusion68 decks368 decks
17%synergy
Queen Marchesa
18%inclusion67 decks376 decks
12%synergy
Assault Intercessor
15%inclusion55 decks376 decks
14%synergy
Blood Artist
15%inclusion55 decks376 decks
-3%synergy
Sram, Senior Edificer
14%inclusion53 decks376 decks
11%synergy
Massacre Girl, Known Killer
13%inclusion47 decks376 decks
10%synergy
Deathbringer Thoctar
13%inclusion47 decks376 decks
12%synergy
Stonehewer Giant
12%inclusion46 decks376 decks
11%synergy
Ankle Shanker
12%inclusion46 decks376 decks
9%synergy
Kellan, the Fae-Blooded
12%inclusion45 decks376 decks
11%synergy
Cunning Sparkmage
11%inclusion43 decks376 decks
11%synergy
Qarsi Revenant
11%inclusion35 decks309 decks
8%synergy
Bureau Headmaster
11%inclusion42 decks372 decks
11%synergy
Vulshok Sorcerer
11%inclusion42 decks376 decks
11%synergy
Clackbridge Troll
11%inclusion41 decks376 decks
10%synergy
Gisa, Glorious Resurrector
10%inclusion39 decks376 decks
9%synergy
Solemn Simulacrum
9.3%inclusion35 decks376 decks
-4%synergy
Giver of Runes
9.0%inclusion34 decks376 decks
6%synergy
Kratos, Stoic Father
9.0%inclusion12 decks134 decks
9%synergy
Tor Wauki the Younger
8.8%inclusion33 decks376 decks
8%synergy
Patrolling Peacemaker
8.6%inclusion17 decks198 decks
8%synergy
Armored Skyhunter
8.5%inclusion32 decks376 decks
7%synergy
Robaran Mercenaries
8.5%inclusion32 decks376 decks
8%synergy
Royal Assassin
8.5%inclusion32 decks376 decks
5%synergy
Witch Enchanter
8.0%inclusion30 decks374 decks
2%synergy
Instants
Boros Charm
44%inclusion165 decks376 decks
14%synergy
Swords to Plowshares
41%inclusion155 decks376 decks
-21%synergy
You Are Already Dead
39%inclusion148 decks376 decks
38%synergy
Stroke of Midnight
37%inclusion139 decks376 decks
25%synergy
Anguished Unmaking
33%inclusion125 decks376 decks
-1%synergy
Crackling Doom
32%inclusion119 decks376 decks
15%synergy
Generous Gift
28%inclusion106 decks376 decks
9%synergy
Path to Exile
26%inclusion98 decks376 decks
-21%synergy
Mirrodin Avenged
26%inclusion97 decks376 decks
25%synergy
Fracture
23%inclusion88 decks376 decks
17%synergy
Flawless Maneuver
20%inclusion74 decks376 decks
5%synergy
Despark
16%inclusion62 decks376 decks
2%synergy
Deflecting Swat
16%inclusion59 decks376 decks
0%synergy
Bladebrand
15%inclusion58 decks376 decks
15%synergy
Chaos Warp
15%inclusion57 decks376 decks
-1%synergy
Mortify
15%inclusion55 decks376 decks
-1%synergy
Wear // Tear
14%inclusion52 decks376 decks
2%synergy
Rakdos Charm
13%inclusion50 decks376 decks
4%synergy
Offer Immortality
13%inclusion49 decks376 decks
12%synergy
Dawn's Truce
13%inclusion47 decks371 decks
6%synergy
Malakir Rebirth
13%inclusion47 decks376 decks
7%synergy
Dire Tactics
12%inclusion45 decks376 decks
9%synergy
Sejiri Shelter
11%inclusion40 decks376 decks
8%synergy
Deflecting Palm
10%inclusion38 decks376 decks
4%synergy
Terminate
10%inclusion37 decks376 decks
-3%synergy
Legion Leadership
10%inclusion36 decks374 decks
5%synergy
Untimely Malfunction
9.0%inclusion33 decks368 decks
4%synergy
Deadly Rollick
7.2%inclusion27 decks376 decks
-4%synergy
Bedevil
6.9%inclusion26 decks376 decks
0%synergy
Loran's Escape
6.6%inclusion25 decks376 decks
5%synergy
Inkshield
6.6%inclusion25 decks376 decks
-1%synergy
Utter End
6.4%inclusion24 decks376 decks
2%synergy
Thrill of Possibility
6.1%inclusion23 decks376 decks
-2%synergy
Dark Ritual
6.1%inclusion23 decks376 decks
-10%synergy
Fell the Profane
5.9%inclusion22 decks374 decks
0%synergy
Toxin Analysis
5.3%inclusion20 decks376 decks
5%synergy
Tragic Slip
5.3%inclusion20 decks376 decks
4%synergy
Tainted Strike
5.3%inclusion20 decks376 decks
5%synergy
Blacksmith's Skill
5.1%inclusion19 decks376 decks
4%synergy
Sorceries
Steelshaper's Gift
38%inclusion143 decks376 decks
35%synergy
Mythos of Snapdax
35%inclusion131 decks376 decks
29%synergy
Painful Truths
30%inclusion113 decks376 decks
21%synergy
Night's Whisper
28%inclusion104 decks376 decks
15%synergy
Read the Bones
25%inclusion94 decks376 decks
15%synergy
Vandalblast
22%inclusion84 decks376 decks
12%synergy
Call of the Death-Dweller
21%inclusion79 decks376 decks
21%synergy
Sevinne's Reclamation
19%inclusion70 decks376 decks
11%synergy
Blasphemous Act
18%inclusion69 decks376 decks
-4%synergy
Sign in Blood
18%inclusion66 decks376 decks
9%synergy
Damn
14%inclusion51 decks376 decks
-5%synergy
Chandra's Ignition
12%inclusion46 decks376 decks
10%synergy
Drown in Ichor
9.3%inclusion35 decks376 decks
9%synergy
Faithless Looting
9.3%inclusion35 decks376 decks
-6%synergy
Single Combat
8.8%inclusion33 decks376 decks
7%synergy
Farewell
8.8%inclusion33 decks376 decks
-2%synergy
Toxic Deluge
8.8%inclusion33 decks376 decks
1%synergy
Vindicate
8.2%inclusion31 decks376 decks
2%synergy
Unearth
7.4%inclusion28 decks376 decks
5%synergy
Unfinished Business
6.4%inclusion24 decks376 decks
6%synergy
Austere Command
5.9%inclusion22 decks376 decks
-2%synergy
Feed the Swarm
5.6%inclusion21 decks376 decks
0%synergy
Reanimate
5.6%inclusion21 decks376 decks
-11%synergy
Tempt with Bunnies
5.1%inclusion19 decks370 decks
4%synergy
Utility Artifacts
Gorgon Flail
43%inclusion161 decks376 decks
42%synergy
Magewright's Stone
40%inclusion149 decks376 decks
39%synergy
Illusionist's Bracers
29%inclusion110 decks376 decks
28%synergy
Thousand-Year Elixir
27%inclusion100 decks376 decks
26%synergy
Hunter's Blowgun
25%inclusion94 decks376 decks
24%synergy
Lightning Greaves
25%inclusion93 decks376 decks
-10%synergy
Mithril Coat
22%inclusion81 decks376 decks
16%synergy
Glaring Spotlight
17%inclusion64 decks376 decks
17%synergy
Sword of the Animist
16%inclusion59 decks376 decks
6%synergy
Brotherhood Regalia
15%inclusion55 decks372 decks
11%synergy
Hammer of Nazahn
13%inclusion50 decks376 decks
11%synergy
Whispersilk Cloak
13%inclusion47 decks376 decks
7%synergy
Battlemage's Bracers
13%inclusion47 decks376 decks
12%synergy
Sword of Truth and Justice
11%inclusion41 decks376 decks
10%synergy
Robe of Stars
10%inclusion39 decks376 decks
9%synergy
Wayfarer's Bauble
10%inclusion38 decks376 decks
1%synergy
Hidden Blade
9.1%inclusion34 decks375 decks
8%synergy
The Masamune
8.9%inclusion21 decks235 decks
8%synergy
Darksteel Plate
8.5%inclusion32 decks376 decks
6%synergy
Puppet Strings
8.2%inclusion31 decks376 decks
8%synergy
The Reaver Cleaver
8.0%inclusion30 decks376 decks
2%synergy
Haystack
7.5%inclusion28 decks375 decks
6%synergy
Sword of Feast and Famine
7.4%inclusion28 decks376 decks
4%synergy
Dragonfire Blade
7.0%inclusion21 decks301 decks
6%synergy
Mask of Griselbrand
6.6%inclusion25 decks376 decks
5%synergy
Conqueror's Flail
6.1%inclusion23 decks376 decks
5%synergy
Reaper's Talisman
5.6%inclusion21 decks376 decks
5%synergy
Halo Fountain
5.3%inclusion20 decks376 decks
5%synergy
Scythe of the Wretched
5.1%inclusion19 decks376 decks
5%synergy
Skullclamp
5.1%inclusion19 decks376 decks
-24%synergy
Sunforger
5.1%inclusion19 decks376 decks
2%synergy
Enchantments
Fighter Class
44%inclusion165 decks376 decks
41%synergy
Phyrexian Arena
29%inclusion108 decks376 decks
10%synergy
Dazzling Theater // Prop Room
28%inclusion103 decks368 decks
26%synergy
All-Out Assault
28%inclusion85 decks309 decks
15%synergy
Aspect of Gorgon
25%inclusion95 decks376 decks
25%synergy
Revel in Riches
22%inclusion81 decks376 decks
15%synergy
Sigarda's Aid
21%inclusion80 decks376 decks
18%synergy
Forge Anew
19%inclusion72 decks376 decks
17%synergy
Reconnaissance
19%inclusion71 decks376 decks
8%synergy
Black Market Connections
19%inclusion70 decks376 decks
3%synergy
Agent of the Shadow Thieves
17%inclusion63 decks376 decks
16%synergy
Retreat to Hagra
15%inclusion55 decks376 decks
14%synergy
Black Market
14%inclusion52 decks376 decks
8%synergy
At Knifepoint
13%inclusion47 decks374 decks
11%synergy
Death Pits of Rath
11%inclusion43 decks376 decks
11%synergy
Nowhere to Run
10%inclusion38 decks372 decks
10%synergy
Ghostly Prison
10%inclusion37 decks376 decks
2%synergy
Grave Betrayal
9.3%inclusion35 decks376 decks
9%synergy
Kaya's Ghostform
8.8%inclusion33 decks376 decks
7%synergy
Trouble in Pairs
8.5%inclusion32 decks376 decks
3%synergy
Gift of Immortality
8.2%inclusion31 decks376 decks
7%synergy
Eternal Thirst
7.7%inclusion29 decks376 decks
7%synergy
Land Tax
7.4%inclusion28 decks376 decks
1%synergy
Spiteful Banditry
6.4%inclusion24 decks376 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
5.9%inclusion22 decks376 decks
5%synergy
Utility Lands
Vault of the Archangel
53%inclusion198 decks376 decks
30%synergy
Rogue's Passage
49%inclusion186 decks376 decks
26%synergy
Bojuka Bog
43%inclusion161 decks376 decks
12%synergy
Arcane Lighthouse
39%inclusion146 decks376 decks
38%synergy
Detection Tower
26%inclusion97 decks376 decks
25%synergy
Axgard Armory
22%inclusion82 decks376 decks
20%synergy
Karn's Bastion
20%inclusion75 decks376 decks
19%synergy
Buried Ruin
17%inclusion65 decks376 decks
14%synergy
Urborg, Tomb of Yawgmoth
14%inclusion53 decks376 decks
0%synergy
Shizo, Death's Storehouse
13%inclusion49 decks376 decks
6%synergy
Reliquary Tower
12%inclusion44 decks376 decks
-4%synergy
Urza's Saga
11%inclusion43 decks376 decks
7%synergy
Sunhome, Fortress of the Legion
10%inclusion37 decks376 decks
6%synergy
Temple of the False God
7.2%inclusion27 decks376 decks
1%synergy
Command Beacon
6.1%inclusion23 decks376 decks
0%synergy
Eiganjo, Seat of the Empire
5.3%inclusion20 decks376 decks
-1%synergy
Maze of Ith
5.1%inclusion19 decks376 decks
2%synergy
Mana Artifacts
Sol Ring
87%inclusion327 decks376 decks
-2%synergy
Arcane Signet
85%inclusion319 decks376 decks
-1%synergy
Patriar's Seal
57%inclusion215 decks376 decks
55%synergy
Talisman of Hierarchy
42%inclusion158 decks376 decks
1%synergy
Orzhov Signet
41%inclusion155 decks376 decks
9%synergy
Talisman of Conviction
38%inclusion143 decks376 decks
-3%synergy
Rakdos Signet
38%inclusion141 decks376 decks
7%synergy
Talisman of Indulgence
35%inclusion132 decks376 decks
-2%synergy
Boros Signet
35%inclusion131 decks376 decks
6%synergy
Fellwar Stone
25%inclusion93 decks376 decks
-3%synergy
Bounty Board
22%inclusion84 decks374 decks
20%synergy
Commander's Sphere
15%inclusion55 decks376 decks
0%synergy
Bandit's Haul
12%inclusion46 decks374 decks
11%synergy
Aetheric Amplifier
12%inclusion44 decks359 decks
12%synergy
Chromatic Lantern
8.0%inclusion30 decks376 decks
-3%synergy
Mind Stone
7.7%inclusion29 decks376 decks
-1%synergy
Lands
Swamp
97%inclusion365 decks376 decks
2%synergy
Plains
96%inclusion362 decks376 decks
1%synergy
Command Tower
95%inclusion359 decks376 decks
3%synergy
Mountain
94%inclusion354 decks376 decks
0%synergy
Nomad Outpost
63%inclusion236 decks376 decks
4%synergy
Exotic Orchard
63%inclusion235 decks376 decks
11%synergy
Savai Triome
57%inclusion215 decks376 decks
19%synergy
Godless Shrine
53%inclusion200 decks376 decks
6%synergy
Isolated Chapel
53%inclusion198 decks376 decks
0%synergy
Sacred Foundry
51%inclusion190 decks376 decks
6%synergy
Dragonskull Summit
49%inclusion186 decks376 decks
-2%synergy
Clifftop Retreat
49%inclusion185 decks376 decks
-1%synergy
Blood Crypt
48%inclusion180 decks376 decks
4%synergy
Forbidden Orchard
47%inclusion176 decks376 decks
44%synergy
Caves of Koilos
47%inclusion175 decks376 decks
7%synergy
Vault of Champions
45%inclusion171 decks376 decks
12%synergy
Battlefield Forge
45%inclusion168 decks376 decks
5%synergy
Spectator Seating
42%inclusion157 decks376 decks
10%synergy
Luxury Suite
39%inclusion145 decks376 decks
7%synergy
Marsh Flats
34%inclusion126 decks376 decks
2%synergy
Bloodstained Mire
33%inclusion125 decks376 decks
1%synergy
Arid Mesa
32%inclusion120 decks376 decks
0%synergy
Smoldering Marsh
31%inclusion118 decks376 decks
-5%synergy
Shattered Sanctum
28%inclusion105 decks376 decks
4%synergy
Sulfurous Springs
28%inclusion104 decks376 decks
0%synergy
Sundown Pass
26%inclusion99 decks376 decks
6%synergy
Haunted Ridge
26%inclusion96 decks376 decks
6%synergy
Path of Ancestry
25%inclusion95 decks376 decks
-12%synergy
Evolving Wilds
22%inclusion81 decks376 decks
-5%synergy
Orzhov Basilica
21%inclusion80 decks376 decks
7%synergy
Fetid Heath
20%inclusion77 decks376 decks
0%synergy
Temple of Silence
20%inclusion75 decks376 decks
-3%synergy
Rugged Prairie
20%inclusion74 decks376 decks
3%synergy
Shattered Landscape
19%inclusion70 decks373 decks
0%synergy
Temple of Triumph
17%inclusion65 decks376 decks
-5%synergy
Boros Garrison
17%inclusion65 decks376 decks
4%synergy
Rakdos Carnarium
17%inclusion64 decks376 decks
5%synergy
Brightclimb Pathway
15%inclusion56 decks376 decks
6%synergy
Temple of Malice
15%inclusion56 decks376 decks
-2%synergy
Needleverge Pathway
14%inclusion54 decks376 decks
6%synergy
Terramorphic Expanse
14%inclusion53 decks376 decks
-5%synergy
Shadowblood Ridge
13%inclusion50 decks376 decks
-2%synergy
Fabled Passage
13%inclusion47 decks376 decks
4%synergy
Malakir Rebirth
13%inclusion47 decks376 decks
7%synergy
Tainted Field
12%inclusion45 decks376 decks
0%synergy
Blazemire Verge
12%inclusion44 decks368 decks
0%synergy
Plaza of Heroes
12%inclusion44 decks376 decks
8%synergy
Myriad Landscape
12%inclusion44 decks376 decks
-1%synergy
Graven Cairns
12%inclusion44 decks376 decks
0%synergy
Scrubland
11%inclusion42 decks376 decks
-1%synergy
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