Kelsien, the Plague (Commander) - Budget Core

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #420
74decks
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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81%inclusion60 decks74 decks
79%synergy
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77%synergy
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74%synergy
You Are Already Dead
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71%synergy
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68%inclusion50 decks74 decks
67%synergy
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62%inclusion46 decks74 decks
60%synergy
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57%synergy
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56%synergy
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55%synergy
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69%inclusion51 decks74 decks
51%synergy
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44%synergy
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58%inclusion43 decks74 decks
52%synergy
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58%inclusion43 decks74 decks
52%synergy
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57%inclusion42 decks74 decks
52%synergy
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56%inclusion35 decks63 decks
53%synergy
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41%synergy
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54%inclusion40 decks74 decks
53%synergy
Read the Bones
53%inclusion39 decks74 decks
43%synergy
Void Beckoner
53%inclusion39 decks74 decks
52%synergy
Creatures
Ankle Shanker
51%inclusion38 decks74 decks
48%synergy
Mathas, Fiend Seeker
51%inclusion38 decks74 decks
49%synergy
Slaughter Specialist
50%inclusion37 decks74 decks
49%synergy
Ertha Jo, Frontier Mentor
48%inclusion34 decks71 decks
47%synergy
Taii Wakeen, Perfect Shot
48%inclusion34 decks71 decks
47%synergy
Harvester of Souls
47%inclusion35 decks74 decks
44%synergy
Archetype of Finality
46%inclusion34 decks74 decks
45%synergy
Vulshok Sorcerer
46%inclusion34 decks74 decks
46%synergy
Tor Wauki the Younger
45%inclusion33 decks74 decks
44%synergy
Clackbridge Troll
43%inclusion32 decks74 decks
43%synergy
Cunning Sparkmage
43%inclusion32 decks74 decks
43%synergy
Onyx Mage
41%inclusion30 decks74 decks
40%synergy
Termination Facilitator
41%inclusion30 decks74 decks
39%synergy
Zagras, Thief of Heartbeats
41%inclusion30 decks74 decks
39%synergy
Deathbringer Thoctar
38%inclusion28 decks74 decks
37%synergy
Sun Titan
36%inclusion27 decks74 decks
26%synergy
Magda, the Hoardmaster
34%inclusion24 decks71 decks
32%synergy
Robaran Mercenaries
31%inclusion23 decks74 decks
31%synergy
Lae'zel, Vlaakith's Champion
28%inclusion21 decks74 decks
26%synergy
Rakdos Ickspitter
28%inclusion21 decks74 decks
28%synergy
Solemn Simulacrum
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14%synergy
Kalemne, Disciple of Iroas
24%inclusion18 decks74 decks
24%synergy
Jirina, Dauntless General
24%inclusion18 decks74 decks
22%synergy
Mari, the Killing Quill
23%inclusion17 decks74 decks
16%synergy
Akiri, Fearless Voyager
22%inclusion16 decks74 decks
19%synergy
Assault Intercessor
22%inclusion16 decks74 decks
21%synergy
Queen Marchesa
19%inclusion14 decks74 decks
13%synergy
Prodigal Pyromancer
18%inclusion13 decks74 decks
17%synergy
Grateful Apparition
18%inclusion13 decks74 decks
17%synergy
Royal Assassin
15%inclusion11 decks74 decks
12%synergy
Zuko, Firebending Master
14%inclusion1 decks7 decks
13%synergy
Alesha, Who Smiles at Death
14%inclusion10 decks74 decks
10%synergy
Burnished Hart
12%inclusion9 decks74 decks
10%synergy
Akroan Horse
12%inclusion9 decks74 decks
12%synergy
White Plume Adventurer
11%inclusion8 decks74 decks
9%synergy
Lurking Deadeye
11%inclusion8 decks74 decks
11%synergy
Vincent Valentine
10%inclusion2 decks20 decks
9%synergy
Sram, Senior Edificer
9.5%inclusion7 decks74 decks
7%synergy
Athreos, Shroud-Veiled
9.5%inclusion7 decks74 decks
8%synergy
Stun Sniper
8.1%inclusion6 decks74 decks
8%synergy
Mahadi, Emporium Master
8.1%inclusion6 decks74 decks
-1%synergy
Hooded Blightfang
8.1%inclusion6 decks74 decks
8%synergy
Faller's Faithful
7.7%inclusion1 decks13 decks
8%synergy
Qarsi Revenant
7.7%inclusion2 decks26 decks
5%synergy
Obosh, the Preypiercer
6.8%inclusion5 decks74 decks
7%synergy
Gisa, Glorious Resurrector
6.8%inclusion5 decks74 decks
6%synergy
Bastion Protector
6.8%inclusion5 decks74 decks
5%synergy
Torbran, Thane of Red Fell
6.8%inclusion5 decks74 decks
6%synergy
Alesha, Who Laughs at Fate
6.3%inclusion3 decks48 decks
-6%synergy
High-Society Hunter
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4%synergy
Instants
Mortify
50%inclusion37 decks74 decks
35%synergy
Dire Tactics
43%inclusion32 decks74 decks
40%synergy
Offer Immortality
42%inclusion31 decks74 decks
41%synergy
Virulent Swipe
41%inclusion30 decks74 decks
40%synergy
Terminate
39%inclusion29 decks74 decks
27%synergy
Toxin Analysis
32%inclusion24 decks74 decks
32%synergy
Thrill of Possibility
26%inclusion19 decks74 decks
18%synergy
Stroke of Midnight
24%inclusion18 decks74 decks
12%synergy
Tragic Slip
20%inclusion15 decks74 decks
19%synergy
Battle-Rage Blessing
19%inclusion14 decks74 decks
19%synergy
Path to Exile
19%inclusion14 decks74 decks
-28%synergy
Bedevil
16%inclusion12 decks74 decks
9%synergy
Generous Gift
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-3%synergy
Whisper of the Dross
15%inclusion11 decks74 decks
15%synergy
Volt Charge
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15%synergy
To Arms!
15%inclusion11 decks74 decks
15%synergy
Swords to Plowshares
15%inclusion11 decks74 decks
-47%synergy
Utter End
14%inclusion10 decks74 decks
9%synergy
Rakdos Charm
12%inclusion9 decks74 decks
3%synergy
Fracture
12%inclusion9 decks74 decks
6%synergy
Touch of Moonglove
12%inclusion9 decks74 decks
12%synergy
Coat with Venom
12%inclusion9 decks74 decks
12%synergy
Inevitable Defeat
11%inclusion3 decks27 decks
5%synergy
Alchemist's Gift
11%inclusion8 decks74 decks
11%synergy
Abrade
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5%synergy
Djeru's Resolve
11%inclusion8 decks74 decks
11%synergy
Wisecrack
10%inclusion1 decks10 decks
10%synergy
Chaos Warp
9.5%inclusion7 decks74 decks
-7%synergy
Loran's Escape
9.5%inclusion7 decks74 decks
8%synergy
Legion Leadership
8.8%inclusion6 decks68 decks
4%synergy
Wear // Tear
8.1%inclusion6 decks74 decks
-4%synergy
Reroute Systems
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8%synergy
Sazacap's Brew
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7%synergy
Lash of Thorns
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7%synergy
Disenchant
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Murder
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4%synergy
Moment of Valor
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5%synergy
Go for the Throat
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2%synergy
Deflecting Palm
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-1%synergy
Return to Dust
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2%synergy
Lightning Bolt
5.4%inclusion4 decks74 decks
2%synergy
Blood Pact
5.4%inclusion4 decks74 decks
5%synergy
Sorceries
Painful Truths
50%inclusion37 decks74 decks
41%synergy
Call of the Death-Dweller
47%inclusion35 decks74 decks
47%synergy
Sign in Blood
45%inclusion33 decks74 decks
36%synergy
Drown in Ichor
31%inclusion23 decks74 decks
31%synergy
Open the Armory
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21%synergy
Austere Command
22%inclusion16 decks74 decks
14%synergy
Faithless Looting
20%inclusion15 decks74 decks
5%synergy
Unearth
19%inclusion14 decks74 decks
17%synergy
Single Combat
18%inclusion13 decks74 decks
16%synergy
Vat Emergence
15%inclusion11 decks74 decks
15%synergy
Feed the Swarm
15%inclusion11 decks74 decks
10%synergy
Unfinished Business
15%inclusion11 decks74 decks
14%synergy
Cleansing Nova
14%inclusion10 decks74 decks
11%synergy
Sevinne's Reclamation
14%inclusion10 decks74 decks
6%synergy
Ambition's Cost
12%inclusion9 decks74 decks
10%synergy
Rip Apart
12%inclusion9 decks74 decks
11%synergy
Vindicate
12%inclusion9 decks74 decks
6%synergy
Night's Whisper
12%inclusion9 decks74 decks
-1%synergy
Recommission
8.1%inclusion6 decks74 decks
8%synergy
Divine Reckoning
8.1%inclusion6 decks74 decks
8%synergy
Decode Transmissions
7.1%inclusion1 decks14 decks
7%synergy
Reconstruct History
6.8%inclusion5 decks74 decks
6%synergy
Blasphemous Act
6.8%inclusion5 decks74 decks
-16%synergy
Ruinous Ultimatum
5.4%inclusion4 decks74 decks
-34%synergy
Utility Artifacts
Quietus Spike
46%inclusion34 decks74 decks
45%synergy
Vorpal Sword
45%inclusion33 decks74 decks
42%synergy
Gorgon Flail
41%inclusion30 decks74 decks
40%synergy
Sting, the Glinting Dagger
39%inclusion29 decks74 decks
37%synergy
Swiftfoot Boots
30%inclusion22 decks74 decks
-2%synergy
Reaper's Talisman
27%inclusion20 decks74 decks
26%synergy
Wayfarer's Bauble
24%inclusion18 decks74 decks
16%synergy
Hidden Blade
23%inclusion17 decks74 decks
22%synergy
Mask of Griselbrand
16%inclusion12 decks74 decks
15%synergy
Puppet Strings
16%inclusion12 decks74 decks
16%synergy
Loxodon Warhammer
12%inclusion9 decks74 decks
10%synergy
Jandor's Saddlebags
11%inclusion8 decks74 decks
11%synergy
Blackblade Reforged
8.1%inclusion6 decks74 decks
4%synergy
Dragonfire Blade
8.0%inclusion2 decks25 decks
7%synergy
Mirror Shield
6.8%inclusion5 decks74 decks
7%synergy
Illusionist's Bracers
6.8%inclusion5 decks74 decks
5%synergy
Maul of the Skyclaves
5.4%inclusion4 decks74 decks
4%synergy
Haystack
5.4%inclusion4 decks74 decks
4%synergy
Glaring Spotlight
5.4%inclusion4 decks74 decks
5%synergy
Viridian Longbow
5.4%inclusion4 decks74 decks
5%synergy
Enchantments
Aspect of Gorgon
51%inclusion38 decks74 decks
51%synergy
Retreat to Hagra
34%inclusion25 decks74 decks
33%synergy
At Knifepoint
31%inclusion22 decks71 decks
29%synergy
Eternal Thirst
30%inclusion22 decks74 decks
29%synergy
Death Pits of Rath
24%inclusion18 decks74 decks
24%synergy
Gift of Doom
23%inclusion17 decks74 decks
22%synergy
Agent of the Shadow Thieves
23%inclusion17 decks74 decks
22%synergy
Dazzling Theater // Prop Room
22%inclusion12 decks54 decks
20%synergy
Derelict Attic // Widow's Walk
15%inclusion8 decks54 decks
15%synergy
Sparring Regimen
11%inclusion8 decks74 decks
11%synergy
Feast of the Victorious Dead
11%inclusion8 decks74 decks
10%synergy
Glasswing Grace
8.8%inclusion6 decks68 decks
7%synergy
Greed
8.1%inclusion6 decks74 decks
7%synergy
Forging the Tyrite Sword
8.1%inclusion6 decks74 decks
7%synergy
Life Insurance
8.1%inclusion6 decks74 decks
6%synergy
Phyrexian Arena
8.1%inclusion6 decks74 decks
-11%synergy
Underworld Connections
6.8%inclusion5 decks74 decks
6%synergy
Rite of the Raging Storm
6.8%inclusion5 decks74 decks
6%synergy
Grasping Shadows
6.8%inclusion5 decks74 decks
7%synergy
Rune of Sustenance
5.4%inclusion4 decks74 decks
5%synergy
Witch's Mist
5.4%inclusion4 decks74 decks
5%synergy
Tribute to Horobi
5.4%inclusion4 decks74 decks
5%synergy
Gauntlets of Light
5.4%inclusion4 decks74 decks
5%synergy
Necrosynthesis
5.4%inclusion4 decks74 decks
5%synergy
Reconnaissance
5.4%inclusion4 decks74 decks
-6%synergy
Phyresis
5.4%inclusion4 decks74 decks
5%synergy
Shiny Impetus
5.4%inclusion4 decks74 decks
2%synergy
Utility Lands
Rogue's Passage
49%inclusion36 decks74 decks
25%synergy
Vault of the Archangel
41%inclusion30 decks74 decks
18%synergy
Bojuka Bog
24%inclusion18 decks74 decks
-7%synergy
Axgard Armory
23%inclusion17 decks74 decks
21%synergy
Temple of the False God
9.5%inclusion7 decks74 decks
3%synergy
Sunhome, Fortress of the Legion
8.1%inclusion6 decks74 decks
4%synergy
Buried Ruin
8.1%inclusion6 decks74 decks
5%synergy
Mana Artifacts
Arcane Signet
82%inclusion61 decks74 decks
-4%synergy
Orzhov Signet
66%inclusion49 decks74 decks
34%synergy
Sol Ring
61%inclusion45 decks74 decks
-28%synergy
Rakdos Signet
58%inclusion43 decks74 decks
28%synergy
Boros Signet
55%inclusion41 decks74 decks
27%synergy
Commander's Sphere
50%inclusion37 decks74 decks
35%synergy
Talisman of Conviction
27%inclusion20 decks74 decks
-14%synergy
Fellwar Stone
23%inclusion17 decks74 decks
-5%synergy
Bounty Board
20%inclusion14 decks71 decks
18%synergy
Patriar's Seal
16%inclusion12 decks74 decks
14%synergy
Talisman of Hierarchy
16%inclusion12 decks74 decks
-25%synergy
Bandit's Haul
13%inclusion9 decks71 decks
11%synergy
Mardu Banner
12%inclusion9 decks74 decks
9%synergy
Mind Stone
12%inclusion9 decks74 decks
4%synergy
Savai Crystal
12%inclusion9 decks74 decks
11%synergy
Talisman of Indulgence
5.4%inclusion4 decks74 decks
-31%synergy
Lands
Swamp
100%inclusion74 decks74 decks
5%synergy
Mountain
100%inclusion74 decks74 decks
6%synergy
Plains
100%inclusion74 decks74 decks
5%synergy
Command Tower
89%inclusion66 decks74 decks
-3%synergy
Nomad Outpost
80%inclusion59 decks74 decks
21%synergy
Evolving Wilds
64%inclusion47 decks74 decks
37%synergy
Exotic Orchard
62%inclusion46 decks74 decks
10%synergy
Terramorphic Expanse
54%inclusion40 decks74 decks
35%synergy
Smoldering Marsh
51%inclusion38 decks74 decks
15%synergy
Shattered Landscape
47%inclusion31 decks66 decks
28%synergy
Orzhov Basilica
43%inclusion32 decks74 decks
29%synergy
Temple of Silence
42%inclusion31 decks74 decks
19%synergy
Boros Garrison
41%inclusion30 decks74 decks
28%synergy
Rakdos Carnarium
39%inclusion29 decks74 decks
27%synergy
Temple of Triumph
39%inclusion29 decks74 decks
17%synergy
Path of Ancestry
36%inclusion27 decks74 decks
-1%synergy
Myriad Landscape
32%inclusion24 decks74 decks
20%synergy
Caves of Koilos
31%inclusion23 decks74 decks
-8%synergy
Clifftop Retreat
30%inclusion22 decks74 decks
-21%synergy
Battlefield Forge
26%inclusion19 decks74 decks
-14%synergy
Bloodfell Caves
24%inclusion18 decks74 decks
15%synergy
Temple of Malice
24%inclusion18 decks74 decks
7%synergy
Shadowblood Ridge
20%inclusion15 decks74 decks
5%synergy
Isolated Chapel
20%inclusion15 decks74 decks
-32%synergy
Scoured Barrens
20%inclusion15 decks74 decks
11%synergy
Tainted Field
15%inclusion11 decks74 decks
3%synergy
Dragonskull Summit
15%inclusion11 decks74 decks
-37%synergy
Wind-Scarred Crag
12%inclusion9 decks74 decks
4%synergy
Shineshadow Snarl
12%inclusion9 decks74 decks
3%synergy
Daily Bugle Building
10%inclusion1 decks10 decks
10%synergy
Ash Barrens
9.5%inclusion7 decks74 decks
2%synergy
Furycalm Snarl
9.5%inclusion7 decks74 decks
0%synergy
Glasswing Grace
8.8%inclusion6 decks68 decks
7%synergy
Legion Leadership
8.8%inclusion6 decks68 decks
4%synergy
Foreboding Ruins
8.1%inclusion6 decks74 decks
-3%synergy
Sunscorched Divide
8.1%inclusion6 decks74 decks
2%synergy
Rugged Prairie
6.8%inclusion5 decks74 decks
-10%synergy
Tainted Peak
6.8%inclusion5 decks74 decks
-4%synergy
Rakdos Guildgate
6.8%inclusion5 decks74 decks
4%synergy
Sulfurous Springs
6.8%inclusion5 decks74 decks
-21%synergy
Desolate Mire
5.4%inclusion4 decks74 decks
-6%synergy
Geothermal Bog
5.4%inclusion4 decks74 decks
2%synergy
Orzhov Guildgate
5.4%inclusion4 decks74 decks
3%synergy
Thriving Bluff
5.4%inclusion4 decks74 decks
3%synergy
Thriving Moor
5.4%inclusion4 decks74 decks
3%synergy
Thriving Heath
5.4%inclusion4 decks74 decks
3%synergy
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