Kelsien, the Plague (Commander) - Budget Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #421
75decks
As CommanderAs CardAverage DeckDecksView Precon
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Any$$$$
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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81%inclusion61 decks75 decks
80%synergy
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76%synergy
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75%synergy
You Are Already Dead
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73%synergy
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69%inclusion52 decks75 decks
69%synergy
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61%inclusion46 decks75 decks
59%synergy
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59%synergy
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57%synergy
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57%synergy
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64%inclusion48 decks75 decks
56%synergy
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71%inclusion53 decks75 decks
53%synergy
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60%inclusion45 decks75 decks
43%synergy
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60%inclusion45 decks75 decks
54%synergy
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59%inclusion44 decks75 decks
53%synergy
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59%inclusion44 decks75 decks
44%synergy
Shay Cormac
58%inclusion37 decks64 decks
55%synergy
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56%inclusion42 decks75 decks
55%synergy
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56%inclusion42 decks75 decks
52%synergy
Read the Bones
56%inclusion42 decks75 decks
47%synergy
Void Beckoner
56%inclusion42 decks75 decks
55%synergy
Creatures
Mathas, Fiend Seeker
55%inclusion41 decks75 decks
53%synergy
Slaughter Specialist
52%inclusion39 decks75 decks
51%synergy
Harvester of Souls
51%inclusion38 decks75 decks
47%synergy
Taii Wakeen, Perfect Shot
50%inclusion36 decks72 decks
49%synergy
Ankle Shanker
49%inclusion37 decks75 decks
46%synergy
Ertha Jo, Frontier Mentor
49%inclusion35 decks72 decks
48%synergy
Vulshok Sorcerer
48%inclusion36 decks75 decks
48%synergy
Archetype of Finality
47%inclusion35 decks75 decks
46%synergy
Tor Wauki the Younger
45%inclusion34 decks75 decks
45%synergy
Cunning Sparkmage
45%inclusion34 decks75 decks
45%synergy
Clackbridge Troll
44%inclusion33 decks75 decks
44%synergy
Termination Facilitator
43%inclusion32 decks75 decks
41%synergy
Onyx Mage
41%inclusion31 decks75 decks
41%synergy
Zagras, Thief of Heartbeats
41%inclusion31 decks75 decks
40%synergy
Deathbringer Thoctar
39%inclusion29 decks75 decks
38%synergy
Sun Titan
36%inclusion27 decks75 decks
25%synergy
Magda, the Hoardmaster
33%inclusion24 decks72 decks
31%synergy
Robaran Mercenaries
32%inclusion24 decks75 decks
32%synergy
Lae'zel, Vlaakith's Champion
31%inclusion23 decks75 decks
29%synergy
Rakdos Ickspitter
28%inclusion21 decks75 decks
28%synergy
Solemn Simulacrum
28%inclusion21 decks75 decks
15%synergy
Kalemne, Disciple of Iroas
24%inclusion18 decks75 decks
23%synergy
Jirina, Dauntless General
24%inclusion18 decks75 decks
22%synergy
Mari, the Killing Quill
23%inclusion17 decks75 decks
16%synergy
Assault Intercessor
21%inclusion16 decks75 decks
21%synergy
Akiri, Fearless Voyager
20%inclusion15 decks75 decks
18%synergy
Queen Marchesa
19%inclusion14 decks75 decks
12%synergy
Prodigal Pyromancer
17%inclusion13 decks75 decks
17%synergy
Grateful Apparition
16%inclusion12 decks75 decks
16%synergy
Royal Assassin
15%inclusion11 decks75 decks
12%synergy
White Plume Adventurer
13%inclusion10 decks75 decks
12%synergy
Alesha, Who Smiles at Death
12%inclusion9 decks75 decks
8%synergy
Akroan Horse
12%inclusion9 decks75 decks
12%synergy
Burnished Hart
12%inclusion9 decks75 decks
10%synergy
Zuko, Firebending Master
11%inclusion1 decks9 decks
9%synergy
Athreos, Shroud-Veiled
11%inclusion8 decks75 decks
9%synergy
Lurking Deadeye
11%inclusion8 decks75 decks
11%synergy
Vincent Valentine
9.1%inclusion2 decks22 decks
8%synergy
Stun Sniper
8.0%inclusion6 decks75 decks
8%synergy
Mahadi, Emporium Master
8.0%inclusion6 decks75 decks
-1%synergy
Hooded Blightfang
8.0%inclusion6 decks75 decks
8%synergy
Sram, Senior Edificer
8.0%inclusion6 decks75 decks
5%synergy
Gisa, Glorious Resurrector
6.7%inclusion5 decks75 decks
6%synergy
Faller's Faithful
6.7%inclusion1 decks15 decks
7%synergy
Obosh, the Preypiercer
6.7%inclusion5 decks75 decks
6%synergy
Torbran, Thane of Red Fell
6.7%inclusion5 decks75 decks
6%synergy
Alesha, Who Laughs at Fate
6.1%inclusion3 decks49 decks
-6%synergy
High-Society Hunter
6.1%inclusion3 decks49 decks
4%synergy
Marvin, Murderous Mimic
5.5%inclusion3 decks55 decks
4%synergy
Bounty Agent
5.3%inclusion4 decks75 decks
5%synergy
Instants
Mortify
52%inclusion39 decks75 decks
37%synergy
Offer Immortality
44%inclusion33 decks75 decks
43%synergy
Dire Tactics
43%inclusion32 decks75 decks
40%synergy
Terminate
43%inclusion32 decks75 decks
30%synergy
Virulent Swipe
40%inclusion30 decks75 decks
40%synergy
Toxin Analysis
33%inclusion25 decks75 decks
33%synergy
Thrill of Possibility
27%inclusion20 decks75 decks
19%synergy
Stroke of Midnight
27%inclusion20 decks75 decks
15%synergy
Tragic Slip
20%inclusion15 decks75 decks
19%synergy
Path to Exile
20%inclusion15 decks75 decks
-27%synergy
Battle-Rage Blessing
19%inclusion14 decks75 decks
18%synergy
Generous Gift
19%inclusion14 decks75 decks
0%synergy
Swords to Plowshares
16%inclusion12 decks75 decks
-46%synergy
To Arms!
16%inclusion12 decks75 decks
16%synergy
Bedevil
16%inclusion12 decks75 decks
9%synergy
Whisper of the Dross
15%inclusion11 decks75 decks
14%synergy
Volt Charge
15%inclusion11 decks75 decks
15%synergy
Utter End
13%inclusion10 decks75 decks
9%synergy
Fracture
13%inclusion10 decks75 decks
7%synergy
Touch of Moonglove
12%inclusion9 decks75 decks
12%synergy
Chaos Warp
11%inclusion8 decks75 decks
-6%synergy
Djeru's Resolve
11%inclusion8 decks75 decks
11%synergy
Coat with Venom
11%inclusion8 decks75 decks
11%synergy
Abrade
11%inclusion8 decks75 decks
5%synergy
Alchemist's Gift
11%inclusion8 decks75 decks
11%synergy
Rakdos Charm
11%inclusion8 decks75 decks
2%synergy
Inevitable Defeat
10%inclusion3 decks29 decks
4%synergy
Loran's Escape
9.3%inclusion7 decks75 decks
8%synergy
Wear // Tear
9.3%inclusion7 decks75 decks
-2%synergy
Wisecrack
8.3%inclusion1 decks12 decks
8%synergy
Murder
8.0%inclusion6 decks75 decks
6%synergy
Legion Leadership
7.2%inclusion5 decks69 decks
3%synergy
Sazacap's Brew
6.8%inclusion4 decks59 decks
6%synergy
Lash of Thorns
6.7%inclusion5 decks75 decks
7%synergy
Disenchant
6.7%inclusion5 decks75 decks
5%synergy
Reroute Systems
6.7%inclusion1 decks15 decks
7%synergy
Deflecting Palm
5.3%inclusion4 decks75 decks
-1%synergy
Return to Dust
5.3%inclusion4 decks75 decks
2%synergy
Anguished Unmaking
5.3%inclusion4 decks75 decks
-29%synergy
Go for the Throat
5.3%inclusion4 decks75 decks
2%synergy
Lightning Bolt
5.3%inclusion4 decks75 decks
2%synergy
Moment of Valor
5.3%inclusion4 decks75 decks
5%synergy
Blood Pact
5.3%inclusion4 decks75 decks
5%synergy
Sorceries
Painful Truths
53%inclusion40 decks75 decks
45%synergy
Sign in Blood
47%inclusion35 decks75 decks
39%synergy
Call of the Death-Dweller
47%inclusion35 decks75 decks
46%synergy
Drown in Ichor
33%inclusion25 decks75 decks
33%synergy
Open the Armory
27%inclusion20 decks75 decks
22%synergy
Austere Command
21%inclusion16 decks75 decks
14%synergy
Faithless Looting
20%inclusion15 decks75 decks
5%synergy
Unearth
19%inclusion14 decks75 decks
16%synergy
Single Combat
16%inclusion12 decks75 decks
14%synergy
Vat Emergence
15%inclusion11 decks75 decks
15%synergy
Night's Whisper
15%inclusion11 decks75 decks
2%synergy
Unfinished Business
15%inclusion11 decks75 decks
14%synergy
Feed the Swarm
15%inclusion11 decks75 decks
10%synergy
Vindicate
12%inclusion9 decks75 decks
6%synergy
Cleansing Nova
12%inclusion9 decks75 decks
10%synergy
Sevinne's Reclamation
12%inclusion9 decks75 decks
4%synergy
Ambition's Cost
12%inclusion9 decks75 decks
10%synergy
Rip Apart
11%inclusion8 decks75 decks
10%synergy
Recommission
8.0%inclusion6 decks75 decks
8%synergy
Divine Reckoning
8.0%inclusion6 decks75 decks
8%synergy
Blasphemous Act
6.7%inclusion5 decks75 decks
-16%synergy
Reconstruct History
6.7%inclusion5 decks75 decks
6%synergy
Ruinous Ultimatum
6.7%inclusion5 decks75 decks
-33%synergy
Decode Transmissions
6.3%inclusion1 decks16 decks
6%synergy
Diabolic Tutor
5.3%inclusion4 decks75 decks
-1%synergy
Utility Artifacts
Quietus Spike
49%inclusion37 decks75 decks
48%synergy
Vorpal Sword
45%inclusion34 decks75 decks
43%synergy
Sting, the Glinting Dagger
41%inclusion31 decks75 decks
40%synergy
Gorgon Flail
41%inclusion31 decks75 decks
40%synergy
Swiftfoot Boots
31%inclusion23 decks75 decks
-1%synergy
Reaper's Talisman
27%inclusion20 decks75 decks
26%synergy
Hidden Blade
23%inclusion17 decks75 decks
22%synergy
Wayfarer's Bauble
23%inclusion17 decks75 decks
14%synergy
Puppet Strings
17%inclusion13 decks75 decks
17%synergy
Mask of Griselbrand
16%inclusion12 decks75 decks
15%synergy
Loxodon Warhammer
12%inclusion9 decks75 decks
10%synergy
Jandor's Saddlebags
11%inclusion8 decks75 decks
11%synergy
Blackblade Reforged
8.0%inclusion6 decks75 decks
3%synergy
Dragonfire Blade
7.4%inclusion2 decks27 decks
6%synergy
Illusionist's Bracers
6.7%inclusion5 decks75 decks
5%synergy
Maul of the Skyclaves
5.3%inclusion4 decks75 decks
4%synergy
Viridian Longbow
5.3%inclusion4 decks75 decks
5%synergy
Mirror Shield
5.3%inclusion4 decks75 decks
5%synergy
Enchantments
Aspect of Gorgon
52%inclusion39 decks75 decks
52%synergy
Retreat to Hagra
35%inclusion26 decks75 decks
34%synergy
Eternal Thirst
31%inclusion23 decks75 decks
30%synergy
At Knifepoint
31%inclusion22 decks72 decks
29%synergy
Death Pits of Rath
27%inclusion20 decks75 decks
26%synergy
Gift of Doom
23%inclusion17 decks75 decks
22%synergy
Dazzling Theater // Prop Room
22%inclusion12 decks55 decks
20%synergy
Agent of the Shadow Thieves
21%inclusion16 decks75 decks
21%synergy
Derelict Attic // Widow's Walk
13%inclusion7 decks55 decks
13%synergy
Feast of the Victorious Dead
11%inclusion8 decks75 decks
10%synergy
Sparring Regimen
11%inclusion8 decks75 decks
11%synergy
Glasswing Grace
8.7%inclusion6 decks69 decks
7%synergy
Forging the Tyrite Sword
8.0%inclusion6 decks75 decks
7%synergy
Phyrexian Arena
8.0%inclusion6 decks75 decks
-11%synergy
Life Insurance
8.0%inclusion6 decks75 decks
6%synergy
Greed
6.7%inclusion5 decks75 decks
6%synergy
Grasping Shadows
6.7%inclusion5 decks75 decks
6%synergy
Underworld Connections
6.7%inclusion5 decks75 decks
6%synergy
Rite of the Raging Storm
6.7%inclusion5 decks75 decks
6%synergy
Shiny Impetus
5.3%inclusion4 decks75 decks
2%synergy
Tribute to Horobi
5.3%inclusion4 decks75 decks
5%synergy
Witch's Mist
5.3%inclusion4 decks75 decks
5%synergy
Phyresis
5.3%inclusion4 decks75 decks
5%synergy
Gauntlets of Light
5.3%inclusion4 decks75 decks
5%synergy
Utility Lands
Rogue's Passage
51%inclusion38 decks75 decks
27%synergy
Vault of the Archangel
43%inclusion32 decks75 decks
20%synergy
Axgard Armory
23%inclusion17 decks75 decks
21%synergy
Bojuka Bog
21%inclusion16 decks75 decks
-10%synergy
Temple of the False God
9.3%inclusion7 decks75 decks
3%synergy
Sunhome, Fortress of the Legion
8.0%inclusion6 decks75 decks
4%synergy
Buried Ruin
8.0%inclusion6 decks75 decks
5%synergy
Mana Artifacts
Arcane Signet
83%inclusion62 decks75 decks
-3%synergy
Orzhov Signet
67%inclusion50 decks75 decks
35%synergy
Sol Ring
63%inclusion47 decks75 decks
-26%synergy
Rakdos Signet
57%inclusion43 decks75 decks
27%synergy
Boros Signet
56%inclusion42 decks75 decks
28%synergy
Commander's Sphere
51%inclusion38 decks75 decks
36%synergy
Talisman of Conviction
28%inclusion21 decks75 decks
-13%synergy
Fellwar Stone
24%inclusion18 decks75 decks
-4%synergy
Bounty Board
21%inclusion15 decks72 decks
19%synergy
Talisman of Hierarchy
17%inclusion13 decks75 decks
-24%synergy
Patriar's Seal
16%inclusion12 decks75 decks
14%synergy
Bandit's Haul
13%inclusion9 decks72 decks
11%synergy
Savai Crystal
12%inclusion9 decks75 decks
10%synergy
Mardu Banner
12%inclusion9 decks75 decks
9%synergy
Mind Stone
12%inclusion9 decks75 decks
3%synergy
Talisman of Indulgence
6.7%inclusion5 decks75 decks
-30%synergy
Lands
Swamp
100%inclusion75 decks75 decks
5%synergy
Mountain
100%inclusion75 decks75 decks
6%synergy
Plains
100%inclusion75 decks75 decks
5%synergy
Command Tower
89%inclusion67 decks75 decks
-3%synergy
Nomad Outpost
80%inclusion60 decks75 decks
22%synergy
Evolving Wilds
61%inclusion46 decks75 decks
35%synergy
Exotic Orchard
61%inclusion46 decks75 decks
9%synergy
Terramorphic Expanse
55%inclusion41 decks75 decks
35%synergy
Smoldering Marsh
51%inclusion38 decks75 decks
14%synergy
Shattered Landscape
46%inclusion31 decks67 decks
27%synergy
Temple of Silence
45%inclusion34 decks75 decks
22%synergy
Orzhov Basilica
44%inclusion33 decks75 decks
30%synergy
Boros Garrison
41%inclusion31 decks75 decks
28%synergy
Temple of Triumph
41%inclusion31 decks75 decks
19%synergy
Rakdos Carnarium
40%inclusion30 decks75 decks
28%synergy
Path of Ancestry
33%inclusion25 decks75 decks
-5%synergy
Myriad Landscape
33%inclusion25 decks75 decks
21%synergy
Caves of Koilos
32%inclusion24 decks75 decks
-7%synergy
Clifftop Retreat
31%inclusion23 decks75 decks
-20%synergy
Temple of Malice
25%inclusion19 decks75 decks
8%synergy
Battlefield Forge
25%inclusion19 decks75 decks
-15%synergy
Bloodfell Caves
23%inclusion17 decks75 decks
14%synergy
Shadowblood Ridge
21%inclusion16 decks75 decks
6%synergy
Isolated Chapel
21%inclusion16 decks75 decks
-31%synergy
Scoured Barrens
19%inclusion14 decks75 decks
10%synergy
Dragonskull Summit
16%inclusion12 decks75 decks
-36%synergy
Tainted Field
15%inclusion11 decks75 decks
3%synergy
Shineshadow Snarl
12%inclusion9 decks75 decks
3%synergy
Wind-Scarred Crag
11%inclusion8 decks75 decks
2%synergy
Ash Barrens
9.3%inclusion7 decks75 decks
2%synergy
Furycalm Snarl
9.3%inclusion7 decks75 decks
0%synergy
Glasswing Grace
8.7%inclusion6 decks69 decks
7%synergy
Daily Bugle Building
8.3%inclusion1 decks12 decks
8%synergy
Foreboding Ruins
8.0%inclusion6 decks75 decks
-3%synergy
Sunscorched Divide
8.0%inclusion6 decks75 decks
2%synergy
Rugged Prairie
8.0%inclusion6 decks75 decks
-9%synergy
Sulfurous Springs
8.0%inclusion6 decks75 decks
-19%synergy
Legion Leadership
7.2%inclusion5 decks69 decks
3%synergy
Rakdos Guildgate
6.7%inclusion5 decks75 decks
4%synergy
Fetid Heath
6.7%inclusion5 decks75 decks
-14%synergy
Desolate Mire
6.7%inclusion5 decks75 decks
-5%synergy
Tainted Peak
6.7%inclusion5 decks75 decks
-4%synergy
Orzhov Guildgate
5.3%inclusion4 decks75 decks
3%synergy
Thriving Moor
5.3%inclusion4 decks75 decks
3%synergy
Thriving Bluff
5.3%inclusion4 decks75 decks
3%synergy
Thriving Heath
5.3%inclusion4 decks75 decks
3%synergy
Geothermal Bog
5.3%inclusion4 decks75 decks
2%synergy
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