Kelsien, the Plague (Commander) - Budget Upgraded

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Ezra Sassaman
Nov 20, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Restoration Seminar
9.1%inclusion1 decks11 decks
8%synergy
Umbral Expanse
9.1%inclusion1 decks11 decks
8%synergy
Eclipsed Steppe
9.1%inclusion1 decks11 decks
7%synergy
Turbulent Steppe
9.1%inclusion1 decks11 decks
6%synergy
Turbulent Moor
9.1%inclusion1 decks11 decks
6%synergy
High Synergy Cards
Basilisk Collar
84%inclusion38 decks45 decks
80%synergy
Minthara, Merciless Soul
76%inclusion34 decks45 decks
74%synergy
Rune of Mortality
73%inclusion33 decks45 decks
72%synergy
Shay Cormac
71%inclusion32 decks45 decks
68%synergy
Vorpal Sword
69%inclusion31 decks45 decks
67%synergy
Otharri, Suns' Glory
67%inclusion30 decks45 decks
61%synergy
Falthis, Shadowcat Familiar
60%inclusion27 decks45 decks
59%synergy
Morbid Opportunist
76%inclusion34 decks45 decks
57%synergy
Gorgon's Head
58%inclusion26 decks45 decks
57%synergy
Sting, the Glinting Dagger
58%inclusion26 decks45 decks
56%synergy
Top Cards
General's Enforcer
60%inclusion27 decks45 decks
52%synergy
Gorgon Flail
53%inclusion24 decks45 decks
52%synergy
Open the Armory
51%inclusion23 decks45 decks
47%synergy
You Are Already Dead
51%inclusion23 decks45 decks
49%synergy
Crackling Doom
51%inclusion23 decks45 decks
34%synergy
Termination Facilitator
49%inclusion22 decks45 decks
47%synergy
Mari, the Killing Quill
49%inclusion22 decks45 decks
43%synergy
Swiftfoot Boots
49%inclusion22 decks45 decks
17%synergy
Mathas, Fiend Seeker
47%inclusion21 decks45 decks
45%synergy
Gift of Doom
47%inclusion21 decks45 decks
46%synergy
Creatures
Magda, the Hoardmaster
42%inclusion19 decks45 decks
40%synergy
Slaughter Specialist
40%inclusion18 decks45 decks
39%synergy
Archetype of Finality
40%inclusion18 decks45 decks
39%synergy
Lae'zel, Vlaakith's Champion
38%inclusion17 decks45 decks
36%synergy
Kalemne, Disciple of Iroas
38%inclusion17 decks45 decks
37%synergy
Ertha Jo, Frontier Mentor
36%inclusion16 decks45 decks
35%synergy
Humble Defector
33%inclusion15 decks45 decks
31%synergy
Drumbellower
33%inclusion15 decks45 decks
31%synergy
White Plume Adventurer
33%inclusion15 decks45 decks
32%synergy
Maha, Its Feathers Night
31%inclusion14 decks45 decks
30%synergy
Taii Wakeen, Perfect Shot
31%inclusion14 decks45 decks
30%synergy
Void Beckoner
31%inclusion14 decks45 decks
30%synergy
Harvester of Souls
27%inclusion12 decks45 decks
24%synergy
Daxos the Returned
22%inclusion10 decks45 decks
21%synergy
Zagras, Thief of Heartbeats
22%inclusion10 decks45 decks
21%synergy
Athreos, Shroud-Veiled
22%inclusion10 decks45 decks
21%synergy
Akiri, Fearless Voyager
20%inclusion9 decks45 decks
18%synergy
Queen Marchesa
20%inclusion9 decks45 decks
14%synergy
Clackbridge Troll
20%inclusion9 decks45 decks
20%synergy
Solemn Simulacrum
18%inclusion8 decks45 decks
5%synergy
Ankle Shanker
18%inclusion8 decks45 decks
15%synergy
Royal Assassin
18%inclusion8 decks45 decks
15%synergy
Deathbringer Thoctar
16%inclusion7 decks45 decks
15%synergy
Blood Artist
16%inclusion7 decks45 decks
-3%synergy
Blood Cultist
16%inclusion7 decks45 decks
15%synergy
Torbran, Thane of Red Fell
16%inclusion7 decks45 decks
15%synergy
Tor Wauki the Younger
16%inclusion7 decks45 decks
15%synergy
Robaran Mercenaries
13%inclusion6 decks45 decks
13%synergy
Gisa, Glorious Resurrector
13%inclusion6 decks45 decks
12%synergy
Marvin, Murderous Mimic
13%inclusion6 decks45 decks
12%synergy
Assault Intercessor
13%inclusion6 decks45 decks
13%synergy
Puresteel Paladin
11%inclusion5 decks45 decks
7%synergy
Bureau Headmaster
11%inclusion5 decks45 decks
11%synergy
Massacre Girl, Known Killer
11%inclusion5 decks45 decks
9%synergy
Kellan, the Fae-Blooded
11%inclusion5 decks45 decks
10%synergy
Sram, Senior Edificer
11%inclusion5 decks45 decks
8%synergy
Alesha, Who Smiles at Death
8.9%inclusion4 decks45 decks
5%synergy
Vulshok Sorcerer
8.9%inclusion4 decks45 decks
9%synergy
Arno Dorian
8.9%inclusion4 decks45 decks
7%synergy
Gisa, the Hellraiser
8.9%inclusion4 decks45 decks
9%synergy
Bastion Protector
8.9%inclusion4 decks45 decks
7%synergy
Onyx Mage
8.9%inclusion4 decks45 decks
9%synergy
Grateful Apparition
8.9%inclusion4 decks45 decks
9%synergy
Mother of Runes
8.9%inclusion4 decks45 decks
1%synergy
Sun Titan
8.9%inclusion4 decks45 decks
-2%synergy
Layla Hassan
8.9%inclusion4 decks45 decks
8%synergy
Qarsi Revenant
7.9%inclusion3 decks38 decks
5%synergy
Patrolling Peacemaker
7.7%inclusion2 decks26 decks
7%synergy
High-Society Hunter
6.7%inclusion3 decks45 decks
5%synergy
Alesha, Who Laughs at Fate
6.7%inclusion3 decks45 decks
-6%synergy
Instants
Stroke of Midnight
40%inclusion18 decks45 decks
28%synergy
Swords to Plowshares
40%inclusion18 decks45 decks
-22%synergy
Path to Exile
38%inclusion17 decks45 decks
-9%synergy
Mirrodin Avenged
36%inclusion16 decks45 decks
35%synergy
Fracture
33%inclusion15 decks45 decks
27%synergy
Terminate
31%inclusion14 decks45 decks
19%synergy
Mortify
27%inclusion12 decks45 decks
11%synergy
Generous Gift
24%inclusion11 decks45 decks
7%synergy
Despark
22%inclusion10 decks45 decks
8%synergy
Boros Charm
22%inclusion10 decks45 decks
-7%synergy
Dire Tactics
20%inclusion9 decks45 decks
17%synergy
Anguished Unmaking
18%inclusion8 decks45 decks
-16%synergy
Offer Immortality
18%inclusion8 decks45 decks
17%synergy
Chaos Warp
18%inclusion8 decks45 decks
2%synergy
Rakdos Charm
18%inclusion8 decks45 decks
9%synergy
Wear // Tear
16%inclusion7 decks45 decks
4%synergy
Bladebrand
16%inclusion7 decks45 decks
15%synergy
Legion Leadership
13%inclusion6 decks45 decks
9%synergy
Deflecting Palm
13%inclusion6 decks45 decks
7%synergy
Tragic Slip
13%inclusion6 decks45 decks
12%synergy
Toxin Analysis
11%inclusion5 decks45 decks
11%synergy
Restoration Magic
10%inclusion3 decks29 decks
8%synergy
Whisper of the Dross
8.9%inclusion4 decks45 decks
9%synergy
Deadly Dispute
8.9%inclusion4 decks45 decks
-14%synergy
Murder
8.9%inclusion4 decks45 decks
7%synergy
Alesha's Legacy
7.9%inclusion3 decks38 decks
7%synergy
Chain Assassination
6.7%inclusion3 decks45 decks
6%synergy
Bedevil
6.7%inclusion3 decks45 decks
0%synergy
Touch of Moonglove
6.7%inclusion3 decks45 decks
7%synergy
Thrill of Possibility
6.7%inclusion3 decks45 decks
-1%synergy
Shoot the Sheriff
6.7%inclusion3 decks45 decks
5%synergy
Untimely Malfunction
6.7%inclusion3 decks45 decks
2%synergy
Go for the Throat
6.7%inclusion3 decks45 decks
4%synergy
Battle-Rage Blessing
6.7%inclusion3 decks45 decks
6%synergy
Blacksmith's Skill
6.7%inclusion3 decks45 decks
5%synergy
Malakir Rebirth
6.7%inclusion3 decks45 decks
1%synergy
Sejiri Shelter
6.7%inclusion3 decks45 decks
4%synergy
Sudden Spoiling
6.7%inclusion3 decks45 decks
6%synergy
Virulent Swipe
6.7%inclusion3 decks45 decks
7%synergy
Big Score
6.7%inclusion3 decks45 decks
-4%synergy
Abrade
6.7%inclusion3 decks45 decks
1%synergy
Sorceries
Ruinous Ultimatum
42%inclusion19 decks45 decks
3%synergy
Night's Whisper
38%inclusion17 decks45 decks
25%synergy
Read the Bones
38%inclusion17 decks45 decks
29%synergy
Mythos of Snapdax
33%inclusion15 decks45 decks
28%synergy
Painful Truths
29%inclusion13 decks45 decks
21%synergy
Blasphemous Act
29%inclusion13 decks45 decks
6%synergy
Sign in Blood
20%inclusion9 decks45 decks
12%synergy
Steelshaper's Gift
20%inclusion9 decks45 decks
17%synergy
Call of the Death-Dweller
18%inclusion8 decks45 decks
17%synergy
Drown in Ichor
16%inclusion7 decks45 decks
15%synergy
Sevinne's Reclamation
13%inclusion6 decks45 decks
5%synergy
Damn
13%inclusion6 decks45 decks
-4%synergy
Diabolic Tutor
13%inclusion6 decks45 decks
7%synergy
Vandalblast
13%inclusion6 decks45 decks
3%synergy
Vindicate
13%inclusion6 decks45 decks
8%synergy
Vat Emergence
11%inclusion5 decks45 decks
11%synergy
Unearth
11%inclusion5 decks45 decks
9%synergy
Overpowering Attack
11%inclusion5 decks45 decks
9%synergy
Austere Command
8.9%inclusion4 decks45 decks
2%synergy
Reconstruct History
8.9%inclusion4 decks45 decks
8%synergy
Recommission
6.7%inclusion3 decks45 decks
6%synergy
Toxic Deluge
6.7%inclusion3 decks45 decks
-1%synergy
Cleansing Nova
6.7%inclusion3 decks45 decks
5%synergy
Bloodsoaked Insight
6.7%inclusion3 decks45 decks
5%synergy
Avatar's Wrath
5.0%inclusion1 decks20 decks
1%synergy
Utility Artifacts
Quietus Spike
42%inclusion19 decks45 decks
41%synergy
Thornbite Staff
42%inclusion19 decks45 decks
41%synergy
Hunter's Blowgun
42%inclusion19 decks45 decks
42%synergy
Glaring Spotlight
33%inclusion15 decks45 decks
33%synergy
Lightning Greaves
20%inclusion9 decks45 decks
-14%synergy
Puppet Strings
18%inclusion8 decks45 decks
18%synergy
Hidden Blade
18%inclusion8 decks45 decks
17%synergy
Brotherhood Regalia
18%inclusion8 decks45 decks
15%synergy
Haystack
18%inclusion8 decks45 decks
16%synergy
Illusionist's Bracers
16%inclusion7 decks45 decks
14%synergy
Wayfarer's Bauble
16%inclusion7 decks45 decks
7%synergy
Whispersilk Cloak
13%inclusion6 decks45 decks
8%synergy
Magewright's Stone
11%inclusion5 decks45 decks
10%synergy
The Masamune
10%inclusion3 decks29 decks
10%synergy
The Spear of Leonidas
8.9%inclusion4 decks45 decks
8%synergy
Chainsaw
8.9%inclusion4 decks45 decks
8%synergy
Dragonfire Blade
8.3%inclusion3 decks36 decks
7%synergy
Trailblazer's Boots
6.7%inclusion3 decks45 decks
5%synergy
The Animus
6.7%inclusion3 decks45 decks
5%synergy
Dissection Tools
6.7%inclusion3 decks45 decks
7%synergy
Caduceus, Staff of Hermes
6.7%inclusion3 decks45 decks
5%synergy
Battlemage's Bracers
6.7%inclusion3 decks45 decks
6%synergy
Fireshrieker
6.7%inclusion3 decks45 decks
6%synergy
Darksteel Plate
6.7%inclusion3 decks45 decks
5%synergy
Champion's Helm
6.7%inclusion3 decks45 decks
5%synergy
Smoke Bomb
6.7%inclusion3 decks45 decks
6%synergy
Raven Clan War-Axe
6.7%inclusion3 decks45 decks
7%synergy
Enchantments
Dazzling Theater // Prop Room
31%inclusion14 decks45 decks
29%synergy
Phyrexian Arena
29%inclusion13 decks45 decks
10%synergy
Aspect of Gorgon
27%inclusion12 decks45 decks
26%synergy
Fighter Class
27%inclusion12 decks45 decks
24%synergy
At Knifepoint
24%inclusion11 decks45 decks
23%synergy
All-Out Assault
24%inclusion9 decks38 decks
12%synergy
Death Pits of Rath
18%inclusion8 decks45 decks
18%synergy
Eternal Thirst
16%inclusion7 decks45 decks
15%synergy
Retreat to Hagra
16%inclusion7 decks45 decks
15%synergy
Agent of the Shadow Thieves
13%inclusion6 decks45 decks
13%synergy
Reconnaissance
13%inclusion6 decks45 decks
1%synergy
Feast of the Victorious Dead
8.9%inclusion4 decks45 decks
8%synergy
Nowhere to Run
8.9%inclusion4 decks45 decks
8%synergy
Cover of Darkness
8.9%inclusion4 decks45 decks
6%synergy
Forging the Tyrite Sword
6.7%inclusion3 decks45 decks
6%synergy
Forge Anew
6.7%inclusion3 decks45 decks
4%synergy
Grave Betrayal
6.7%inclusion3 decks45 decks
6%synergy
Bleeding Effect
6.7%inclusion3 decks45 decks
6%synergy
The Revelations of Ezio
6.7%inclusion3 decks45 decks
6%synergy
Life Insurance
6.7%inclusion3 decks45 decks
4%synergy
Rite of the Raging Storm
6.7%inclusion3 decks45 decks
6%synergy
Kaya's Ghostform
6.7%inclusion3 decks45 decks
5%synergy
Collective Inferno
5.9%inclusion1 decks17 decks
5%synergy
Planeswalkers
Kaya, Geist Hunter
6.7%inclusion3 decks45 decks
2%synergy
Utility Lands
Rogue's Passage
51%inclusion23 decks45 decks
27%synergy
Vault of the Archangel
40%inclusion18 decks45 decks
17%synergy
Bojuka Bog
29%inclusion13 decks45 decks
-2%synergy
Axgard Armory
27%inclusion12 decks45 decks
25%synergy
Detection Tower
24%inclusion11 decks45 decks
24%synergy
Arcane Lighthouse
22%inclusion10 decks45 decks
21%synergy
Buried Ruin
16%inclusion7 decks45 decks
12%synergy
Karn's Bastion
11%inclusion5 decks45 decks
10%synergy
Sunhome, Fortress of the Legion
8.9%inclusion4 decks45 decks
6%synergy
Reliquary Tower
6.7%inclusion3 decks45 decks
-8%synergy
Bonders' Enclave
6.7%inclusion3 decks45 decks
5%synergy
Temple of the False God
6.7%inclusion3 decks45 decks
1%synergy
Mana Artifacts
Arcane Signet
82%inclusion37 decks45 decks
-4%synergy
Sol Ring
80%inclusion36 decks45 decks
-8%synergy
Orzhov Signet
47%inclusion21 decks45 decks
16%synergy
Rakdos Signet
44%inclusion20 decks45 decks
16%synergy
Boros Signet
44%inclusion20 decks45 decks
17%synergy
Patriar's Seal
42%inclusion19 decks45 decks
40%synergy
Talisman of Conviction
38%inclusion17 decks45 decks
-4%synergy
Fellwar Stone
31%inclusion14 decks45 decks
3%synergy
Talisman of Hierarchy
29%inclusion13 decks45 decks
-12%synergy
Talisman of Indulgence
29%inclusion13 decks45 decks
-8%synergy
Bounty Board
29%inclusion13 decks45 decks
27%synergy
Commander's Sphere
22%inclusion10 decks45 decks
8%synergy
Bandit's Haul
18%inclusion8 decks45 decks
17%synergy
Bender's Waterskin
14%inclusion3 decks22 decks
12%synergy
Aetheric Amplifier
6.7%inclusion3 decks45 decks
6%synergy
Mind Stone
6.7%inclusion3 decks45 decks
-2%synergy
Lands
Mountain
100%inclusion45 decks45 decks
6%synergy
Plains
100%inclusion45 decks45 decks
5%synergy
Swamp
100%inclusion45 decks45 decks
5%synergy
Command Tower
84%inclusion38 decks45 decks
-8%synergy
Nomad Outpost
73%inclusion33 decks45 decks
15%synergy
Exotic Orchard
67%inclusion30 decks45 decks
14%synergy
Smoldering Marsh
51%inclusion23 decks45 decks
14%synergy
Dragonskull Summit
47%inclusion21 decks45 decks
-6%synergy
Battlefield Forge
44%inclusion20 decks45 decks
4%synergy
Clifftop Retreat
44%inclusion20 decks45 decks
-7%synergy
Isolated Chapel
44%inclusion20 decks45 decks
-9%synergy
Caves of Koilos
40%inclusion18 decks45 decks
1%synergy
Path of Ancestry
38%inclusion17 decks45 decks
0%synergy
Evolving Wilds
38%inclusion17 decks45 decks
12%synergy
Boros Garrison
36%inclusion16 decks45 decks
23%synergy
Orzhov Basilica
36%inclusion16 decks45 decks
22%synergy
Shattered Landscape
33%inclusion15 decks45 decks
15%synergy
Rakdos Carnarium
31%inclusion14 decks45 decks
20%synergy
Tainted Field
27%inclusion12 decks45 decks
15%synergy
Shadowblood Ridge
27%inclusion12 decks45 decks
11%synergy
Rugged Prairie
27%inclusion12 decks45 decks
9%synergy
Terramorphic Expanse
24%inclusion11 decks45 decks
6%synergy
Myriad Landscape
20%inclusion9 decks45 decks
9%synergy
Temple of Silence
20%inclusion9 decks45 decks
-2%synergy
Temple of Triumph
20%inclusion9 decks45 decks
-1%synergy
Fetid Heath
18%inclusion8 decks45 decks
-4%synergy
Forbidden Orchard
18%inclusion8 decks45 decks
15%synergy
Sulfurous Springs
18%inclusion8 decks45 decks
-10%synergy
Foreboding Ruins
16%inclusion7 decks45 decks
4%synergy
Temple of Malice
16%inclusion7 decks45 decks
-1%synergy
Tainted Peak
16%inclusion7 decks45 decks
6%synergy
Scoured Barrens
16%inclusion7 decks45 decks
7%synergy
Legion Leadership
13%inclusion6 decks45 decks
9%synergy
Bloodfell Caves
13%inclusion6 decks45 decks
4%synergy
Shineshadow Snarl
13%inclusion6 decks45 decks
4%synergy
Brotherhood Headquarters
11%inclusion5 decks45 decks
10%synergy
Furycalm Snarl
11%inclusion5 decks45 decks
1%synergy
Wind-Scarred Crag
11%inclusion5 decks45 decks
3%synergy
Orzhov Guildgate
8.9%inclusion4 decks45 decks
6%synergy
Thriving Heath
8.9%inclusion4 decks45 decks
7%synergy
Desolate Mire
8.9%inclusion4 decks45 decks
-3%synergy
Thriving Moor
8.9%inclusion4 decks45 decks
7%synergy
Shattered Sanctum
8.9%inclusion4 decks45 decks
-16%synergy
Dimension X
7.1%inclusion1 decks14 decks
7%synergy
Savai Triome
6.7%inclusion3 decks45 decks
-31%synergy
Brightclimb Pathway
6.7%inclusion3 decks45 decks
-2%synergy
Rakdos Guildgate
6.7%inclusion3 decks45 decks
4%synergy
Graven Cairns
6.7%inclusion3 decks45 decks
-5%synergy
Malakir Rebirth
6.7%inclusion3 decks45 decks
1%synergy
Sejiri Shelter
6.7%inclusion3 decks45 decks
4%synergy