Kelsien, the Plague (Commander) - Budget Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #403
77decks
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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Zuko, Firebending Master
20%inclusion1 decks5 decks
18%synergy
High Synergy Cards
Minthara, Merciless Soul
84%inclusion65 decks77 decks
83%synergy
Rune of Mortality
81%inclusion62 decks77 decks
79%synergy
You Are Already Dead
77%inclusion59 decks77 decks
75%synergy
Falthis, Shadowcat Familiar
74%inclusion57 decks77 decks
73%synergy
Mirrodin Avenged
64%inclusion49 decks77 decks
63%synergy
Humble Defector
65%inclusion50 decks77 decks
62%synergy
Bladebrand
61%inclusion47 decks77 decks
61%synergy
Gorgon's Head
60%inclusion46 decks77 decks
58%synergy
Blood Cultist
58%inclusion45 decks77 decks
58%synergy
Otharri, Suns' Glory
64%inclusion49 decks77 decks
58%synergy
Top Cards
Morbid Opportunist
69%inclusion53 decks77 decks
51%synergy
General's Enforcer
62%inclusion48 decks77 decks
54%synergy
Mythos of Snapdax
62%inclusion48 decks77 decks
56%synergy
Crackling Doom
61%inclusion47 decks77 decks
44%synergy
Despark
58%inclusion45 decks77 decks
44%synergy
Read the Bones
57%inclusion44 decks77 decks
47%synergy
Shay Cormac
56%inclusion33 decks59 decks
53%synergy
Void Beckoner
56%inclusion43 decks77 decks
55%synergy
Hunter's Blowgun
56%inclusion43 decks77 decks
55%synergy
Slaughter Specialist
55%inclusion42 decks77 decks
53%synergy
Creatures
Ankle Shanker
55%inclusion42 decks77 decks
51%synergy
Taii Wakeen, Perfect Shot
51%inclusion34 decks67 decks
50%synergy
Harvester of Souls
51%inclusion39 decks77 decks
47%synergy
Mathas, Fiend Seeker
51%inclusion39 decks77 decks
49%synergy
Archetype of Finality
51%inclusion39 decks77 decks
50%synergy
Tor Wauki the Younger
49%inclusion38 decks77 decks
49%synergy
Clackbridge Troll
49%inclusion38 decks77 decks
49%synergy
Vulshok Sorcerer
48%inclusion37 decks77 decks
48%synergy
Ertha Jo, Frontier Mentor
48%inclusion32 decks67 decks
47%synergy
Cunning Sparkmage
47%inclusion36 decks77 decks
46%synergy
Zagras, Thief of Heartbeats
44%inclusion34 decks77 decks
43%synergy
Termination Facilitator
40%inclusion31 decks77 decks
38%synergy
Deathbringer Thoctar
40%inclusion31 decks77 decks
40%synergy
Onyx Mage
40%inclusion31 decks77 decks
40%synergy
Sun Titan
36%inclusion28 decks77 decks
26%synergy
Robaran Mercenaries
34%inclusion26 decks77 decks
34%synergy
Magda, the Hoardmaster
33%inclusion22 decks67 decks
31%synergy
Lae'zel, Vlaakith's Champion
31%inclusion24 decks77 decks
29%synergy
Rakdos Ickspitter
29%inclusion22 decks77 decks
28%synergy
Solemn Simulacrum
27%inclusion21 decks77 decks
14%synergy
Kalemne, Disciple of Iroas
26%inclusion20 decks77 decks
25%synergy
Mari, the Killing Quill
23%inclusion18 decks77 decks
17%synergy
Assault Intercessor
23%inclusion18 decks77 decks
23%synergy
Jirina, Dauntless General
22%inclusion17 decks77 decks
20%synergy
Prodigal Pyromancer
18%inclusion14 decks77 decks
18%synergy
Akiri, Fearless Voyager
18%inclusion14 decks77 decks
16%synergy
Akroan Horse
17%inclusion13 decks77 decks
17%synergy
Royal Assassin
16%inclusion12 decks77 decks
12%synergy
Queen Marchesa
16%inclusion12 decks77 decks
9%synergy
Grateful Apparition
14%inclusion11 decks77 decks
14%synergy
White Plume Adventurer
13%inclusion10 decks77 decks
12%synergy
Burnished Hart
13%inclusion10 decks77 decks
11%synergy
Lurking Deadeye
12%inclusion9 decks77 decks
12%synergy
Alesha, Who Smiles at Death
12%inclusion9 decks77 decks
8%synergy
Vincent Valentine
11%inclusion2 decks18 decks
10%synergy
Athreos, Shroud-Veiled
10%inclusion8 decks77 decks
9%synergy
Sram, Senior Edificer
10%inclusion8 decks77 decks
7%synergy
Faller's Faithful
10%inclusion1 decks10 decks
10%synergy
Mahadi, Emporium Master
9.1%inclusion7 decks77 decks
0%synergy
Gisa, Glorious Resurrector
9.1%inclusion7 decks77 decks
8%synergy
Stun Sniper
7.8%inclusion6 decks77 decks
8%synergy
Hooded Blightfang
7.8%inclusion6 decks77 decks
8%synergy
High-Society Hunter
6.8%inclusion3 decks44 decks
5%synergy
Taranika, Akroan Veteran
6.5%inclusion5 decks77 decks
6%synergy
Obosh, the Preypiercer
6.5%inclusion5 decks77 decks
6%synergy
Torbran, Thane of Red Fell
6.5%inclusion5 decks77 decks
6%synergy
Hooded Assassin
6.5%inclusion5 decks77 decks
6%synergy
Dauntless Aven
6.5%inclusion5 decks77 decks
6%synergy
Marvin, Murderous Mimic
6.0%inclusion3 decks50 decks
5%synergy
Vincent, Vengeful Atoner
5.6%inclusion1 decks18 decks
5%synergy
Instants
Mortify
52%inclusion40 decks77 decks
37%synergy
Offer Immortality
44%inclusion34 decks77 decks
43%synergy
Terminate
42%inclusion32 decks77 decks
29%synergy
Dire Tactics
42%inclusion32 decks77 decks
39%synergy
Virulent Swipe
40%inclusion31 decks77 decks
40%synergy
Toxin Analysis
31%inclusion23 decks74 decks
31%synergy
Thrill of Possibility
29%inclusion22 decks77 decks
21%synergy
Stroke of Midnight
25%inclusion19 decks77 decks
13%synergy
Tragic Slip
23%inclusion18 decks77 decks
22%synergy
Generous Gift
19%inclusion15 decks77 decks
0%synergy
Path to Exile
19%inclusion15 decks77 decks
-27%synergy
Bedevil
18%inclusion14 decks77 decks
11%synergy
Swords to Plowshares
18%inclusion14 decks77 decks
-44%synergy
Battle-Rage Blessing
17%inclusion13 decks77 decks
17%synergy
To Arms!
16%inclusion12 decks77 decks
15%synergy
Volt Charge
16%inclusion12 decks77 decks
15%synergy
Fracture
16%inclusion12 decks77 decks
9%synergy
Whisper of the Dross
14%inclusion11 decks77 decks
14%synergy
Utter End
14%inclusion11 decks77 decks
9%synergy
Touch of Moonglove
13%inclusion10 decks77 decks
13%synergy
Wisecrack
13%inclusion1 decks8 decks
12%synergy
Chaos Warp
12%inclusion9 decks77 decks
-5%synergy
Coat with Venom
12%inclusion9 decks77 decks
12%synergy
Loran's Escape
10%inclusion8 decks77 decks
9%synergy
Djeru's Resolve
10%inclusion8 decks77 decks
10%synergy
Alchemist's Gift
10%inclusion8 decks77 decks
10%synergy
Abrade
10%inclusion8 decks77 decks
5%synergy
Rakdos Charm
10%inclusion8 decks77 decks
1%synergy
Reroute Systems
10%inclusion1 decks10 decks
10%synergy
Sazacap's Brew
9.3%inclusion5 decks54 decks
9%synergy
Inevitable Defeat
8.3%inclusion2 decks24 decks
2%synergy
Legion Leadership
7.8%inclusion5 decks64 decks
3%synergy
Wear // Tear
7.8%inclusion6 decks77 decks
-4%synergy
Murder
6.5%inclusion5 decks77 decks
4%synergy
Return to Dust
6.5%inclusion5 decks77 decks
3%synergy
Lash of Thorns
6.5%inclusion5 decks77 decks
6%synergy
Lightning Bolt
6.5%inclusion5 decks77 decks
3%synergy
Disenchant
6.5%inclusion5 decks77 decks
5%synergy
Go for the Throat
5.2%inclusion4 decks77 decks
2%synergy
Deflecting Palm
5.2%inclusion4 decks77 decks
-1%synergy
Moment of Valor
5.2%inclusion4 decks77 decks
5%synergy
Anguished Unmaking
5.2%inclusion4 decks77 decks
-29%synergy
Sorceries
Painful Truths
53%inclusion41 decks77 decks
44%synergy
Sign in Blood
48%inclusion37 decks77 decks
40%synergy
Call of the Death-Dweller
47%inclusion36 decks77 decks
46%synergy
Drown in Ichor
34%inclusion26 decks77 decks
33%synergy
Open the Armory
29%inclusion22 decks77 decks
24%synergy
Unearth
23%inclusion18 decks77 decks
21%synergy
Austere Command
22%inclusion17 decks77 decks
15%synergy
Single Combat
21%inclusion16 decks77 decks
19%synergy
Faithless Looting
18%inclusion14 decks77 decks
3%synergy
Unfinished Business
17%inclusion13 decks77 decks
16%synergy
Feed the Swarm
17%inclusion13 decks77 decks
12%synergy
Sevinne's Reclamation
14%inclusion11 decks77 decks
7%synergy
Night's Whisper
14%inclusion11 decks77 decks
1%synergy
Ambition's Cost
14%inclusion11 decks77 decks
12%synergy
Vat Emergence
14%inclusion11 decks77 decks
14%synergy
Divine Reckoning
12%inclusion9 decks77 decks
11%synergy
Cleansing Nova
12%inclusion9 decks77 decks
9%synergy
Recommission
12%inclusion9 decks77 decks
11%synergy
Vindicate
12%inclusion9 decks77 decks
5%synergy
Rip Apart
10%inclusion8 decks77 decks
9%synergy
Decode Transmissions
9.1%inclusion1 decks11 decks
9%synergy
Reconstruct History
7.8%inclusion6 decks77 decks
7%synergy
Blasphemous Act
7.8%inclusion6 decks77 decks
-15%synergy
Diabolic Tutor
6.5%inclusion5 decks77 decks
0%synergy
Ruinous Ultimatum
6.5%inclusion5 decks77 decks
-33%synergy
Come Back Wrong
5.3%inclusion3 decks57 decks
5%synergy
Utility Artifacts
Basilisk Collar
55%inclusion42 decks77 decks
50%synergy
Quietus Spike
49%inclusion38 decks77 decks
48%synergy
Vorpal Sword
42%inclusion32 decks77 decks
39%synergy
Gorgon Flail
38%inclusion29 decks77 decks
37%synergy
Sting, the Glinting Dagger
38%inclusion29 decks77 decks
36%synergy
Swiftfoot Boots
34%inclusion26 decks77 decks
2%synergy
Reaper's Talisman
29%inclusion22 decks77 decks
28%synergy
Wayfarer's Bauble
27%inclusion21 decks77 decks
18%synergy
Hidden Blade
21%inclusion15 decks70 decks
21%synergy
Puppet Strings
16%inclusion12 decks77 decks
15%synergy
Mask of Griselbrand
16%inclusion12 decks77 decks
14%synergy
Jandor's Saddlebags
12%inclusion9 decks77 decks
12%synergy
Blackblade Reforged
9.1%inclusion7 decks77 decks
4%synergy
Loxodon Warhammer
9.1%inclusion7 decks77 decks
7%synergy
Mirror Shield
7.8%inclusion6 decks77 decks
8%synergy
Illusionist's Bracers
6.5%inclusion5 decks77 decks
5%synergy
Glaring Spotlight
6.5%inclusion5 decks77 decks
6%synergy
Maul of the Skyclaves
5.2%inclusion4 decks77 decks
4%synergy
Contagion Clasp
5.2%inclusion4 decks77 decks
5%synergy
Viridian Longbow
5.2%inclusion4 decks77 decks
5%synergy
Sunforger
5.2%inclusion4 decks77 decks
2%synergy
Enchantments
Aspect of Gorgon
53%inclusion41 decks77 decks
53%synergy
Retreat to Hagra
36%inclusion28 decks77 decks
36%synergy
At Knifepoint
31%inclusion21 decks67 decks
30%synergy
Eternal Thirst
27%inclusion21 decks77 decks
27%synergy
Gift of Doom
27%inclusion21 decks77 decks
26%synergy
Death Pits of Rath
26%inclusion20 decks77 decks
26%synergy
Agent of the Shadow Thieves
25%inclusion19 decks77 decks
24%synergy
Dazzling Theater // Prop Room
24%inclusion12 decks50 decks
22%synergy
Derelict Attic // Widow's Walk
16%inclusion8 decks50 decks
16%synergy
Sparring Regimen
13%inclusion10 decks77 decks
13%synergy
Glasswing Grace
11%inclusion7 decks64 decks
9%synergy
Life Insurance
10%inclusion8 decks77 decks
8%synergy
Feast of the Victorious Dead
9.1%inclusion7 decks77 decks
8%synergy
Greed
9.1%inclusion7 decks77 decks
8%synergy
Rite of the Raging Storm
9.1%inclusion7 decks77 decks
8%synergy
Underworld Connections
9.1%inclusion7 decks77 decks
8%synergy
Phyresis
9.1%inclusion7 decks77 decks
9%synergy
Phyrexian Arena
7.8%inclusion6 decks77 decks
-11%synergy
Gauntlets of Light
7.8%inclusion6 decks77 decks
8%synergy
Forging the Tyrite Sword
6.5%inclusion5 decks77 decks
6%synergy
Grasping Shadows
6.5%inclusion5 decks77 decks
6%synergy
Witch's Mist
6.5%inclusion5 decks77 decks
6%synergy
Nowhere to Run
5.3%inclusion3 decks57 decks
5%synergy
Tribute to Horobi
5.2%inclusion4 decks77 decks
5%synergy
Shiny Impetus
5.2%inclusion4 decks77 decks
2%synergy
Kaya's Ghostform
5.2%inclusion4 decks77 decks
3%synergy
Utility Lands
Rogue's Passage
48%inclusion37 decks77 decks
25%synergy
Vault of the Archangel
40%inclusion31 decks77 decks
18%synergy
Axgard Armory
22%inclusion17 decks77 decks
20%synergy
Bojuka Bog
21%inclusion16 decks77 decks
-10%synergy
Buried Ruin
12%inclusion9 decks77 decks
8%synergy
Sunhome, Fortress of the Legion
10%inclusion8 decks77 decks
7%synergy
Temple of the False God
6.5%inclusion5 decks77 decks
0%synergy
Karn's Bastion
5.2%inclusion4 decks77 decks
4%synergy
Mana Artifacts
Arcane Signet
83%inclusion64 decks77 decks
-3%synergy
Orzhov Signet
69%inclusion53 decks77 decks
36%synergy
Rakdos Signet
62%inclusion48 decks77 decks
31%synergy
Sol Ring
58%inclusion45 decks77 decks
-30%synergy
Boros Signet
57%inclusion44 decks77 decks
28%synergy
Commander's Sphere
53%inclusion41 decks77 decks
38%synergy
Talisman of Conviction
31%inclusion24 decks77 decks
-10%synergy
Fellwar Stone
26%inclusion20 decks77 decks
-2%synergy
Bounty Board
22%inclusion15 decks67 decks
20%synergy
Talisman of Hierarchy
21%inclusion16 decks77 decks
-20%synergy
Patriar's Seal
17%inclusion13 decks77 decks
15%synergy
Bandit's Haul
15%inclusion10 decks67 decks
14%synergy
Savai Crystal
13%inclusion10 decks77 decks
11%synergy
Mardu Banner
13%inclusion10 decks77 decks
10%synergy
Mind Stone
13%inclusion10 decks77 decks
4%synergy
Talisman of Indulgence
7.8%inclusion6 decks77 decks
-29%synergy
Lands
Mountain
100%inclusion77 decks77 decks
6%synergy
Swamp
100%inclusion77 decks77 decks
5%synergy
Plains
100%inclusion77 decks77 decks
5%synergy
Command Tower
88%inclusion68 decks77 decks
-4%synergy
Nomad Outpost
77%inclusion59 decks77 decks
18%synergy
Evolving Wilds
58%inclusion45 decks77 decks
32%synergy
Exotic Orchard
58%inclusion45 decks77 decks
7%synergy
Terramorphic Expanse
53%inclusion41 decks77 decks
34%synergy
Smoldering Marsh
45%inclusion35 decks77 decks
10%synergy
Shattered Landscape
45%inclusion28 decks62 decks
26%synergy
Temple of Silence
42%inclusion32 decks77 decks
19%synergy
Orzhov Basilica
40%inclusion31 decks77 decks
26%synergy
Rakdos Carnarium
40%inclusion31 decks77 decks
28%synergy
Temple of Triumph
39%inclusion30 decks77 decks
17%synergy
Boros Garrison
38%inclusion29 decks77 decks
24%synergy
Caves of Koilos
30%inclusion23 decks77 decks
-10%synergy
Path of Ancestry
29%inclusion22 decks77 decks
-9%synergy
Myriad Landscape
29%inclusion22 decks77 decks
16%synergy
Clifftop Retreat
27%inclusion21 decks77 decks
-22%synergy
Bloodfell Caves
25%inclusion19 decks77 decks
16%synergy
Temple of Malice
23%inclusion18 decks77 decks
6%synergy
Battlefield Forge
21%inclusion16 decks77 decks
-19%synergy
Scoured Barrens
21%inclusion16 decks77 decks
12%synergy
Isolated Chapel
18%inclusion14 decks77 decks
-34%synergy
Shadowblood Ridge
18%inclusion14 decks77 decks
3%synergy
Tainted Field
16%inclusion12 decks77 decks
4%synergy
Wind-Scarred Crag
13%inclusion10 decks77 decks
4%synergy
Dragonskull Summit
13%inclusion10 decks77 decks
-38%synergy
Shineshadow Snarl
13%inclusion10 decks77 decks
4%synergy
Daily Bugle Building
13%inclusion1 decks8 decks
12%synergy
Glasswing Grace
11%inclusion7 decks64 decks
9%synergy
Furycalm Snarl
10%inclusion8 decks77 decks
1%synergy
Ash Barrens
9.1%inclusion7 decks77 decks
2%synergy
Sunscorched Divide
8.6%inclusion6 decks70 decks
3%synergy
Legion Leadership
7.8%inclusion5 decks64 decks
3%synergy
Sulfurous Springs
7.8%inclusion6 decks77 decks
-19%synergy
Rakdos Guildgate
7.8%inclusion6 decks77 decks
5%synergy
Foreboding Ruins
7.8%inclusion6 decks77 decks
-3%synergy
Orzhov Guildgate
5.2%inclusion4 decks77 decks
3%synergy
Thriving Moor
5.2%inclusion4 decks77 decks
3%synergy
Thriving Heath
5.2%inclusion4 decks77 decks
3%synergy
Rugged Prairie
5.2%inclusion4 decks77 decks
-11%synergy
Tainted Peak
5.2%inclusion4 decks77 decks
-5%synergy
Thriving Bluff
5.2%inclusion4 decks77 decks
3%synergy
Geothermal Bog
5.2%inclusion4 decks77 decks
2%synergy
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