Kelsien, the Plague (Commander) - Upgraded Equipment

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
Eclipsed Steppe
10%inclusion2 decks20 decks
7%synergy
Emeritus of Woe
10%inclusion2 decks20 decks
5%synergy
Molten Note
5.0%inclusion1 decks20 decks
5%synergy
Turbulent Moor
5.0%inclusion1 decks20 decks
1%synergy
Scriv, the Obligator
5.0%inclusion1 decks20 decks
4%synergy
High Synergy Cards
Basilisk Collar
97%inclusion60 decks62 decks
92%synergy
Rune of Mortality
84%inclusion52 decks62 decks
83%synergy
Sting, the Glinting Dagger
79%inclusion49 decks62 decks
77%synergy
Thornbite Staff
76%inclusion47 decks62 decks
74%synergy
Drumbellower
76%inclusion47 decks62 decks
74%synergy
Minthara, Merciless Soul
74%inclusion46 decks62 decks
73%synergy
Otharri, Suns' Glory
77%inclusion48 decks62 decks
72%synergy
Vorpal Sword
71%inclusion44 decks62 decks
69%synergy
Fighter Class
71%inclusion44 decks62 decks
68%synergy
Mari, the Killing Quill
74%inclusion46 decks62 decks
68%synergy
Top Cards
Morbid Opportunist
77%inclusion48 decks62 decks
59%synergy
Gorgon's Head
68%inclusion42 decks62 decks
67%synergy
Open the Armory
68%inclusion42 decks62 decks
64%synergy
Falthis, Shadowcat Familiar
68%inclusion42 decks62 decks
66%synergy
Swiftfoot Boots
65%inclusion40 decks62 decks
33%synergy
General's Enforcer
63%inclusion39 decks62 decks
55%synergy
Shadowspear
60%inclusion37 decks62 decks
55%synergy
Steelshaper's Gift
58%inclusion36 decks62 decks
55%synergy
Gift of Doom
55%inclusion34 decks62 decks
54%synergy
Gorgon Flail
53%inclusion33 decks62 decks
52%synergy
Game Changers
Enlightened Tutor
32%inclusion20 decks62 decks
20%synergy
Smothering Tithe
26%inclusion16 decks62 decks
1%synergy
Teferi's Protection
24%inclusion15 decks62 decks
5%synergy
Demonic Tutor
21%inclusion13 decks62 decks
2%synergy
Orcish Bowmasters
10%inclusion6 decks62 decks
4%synergy
Vampiric Tutor
6.5%inclusion4 decks62 decks
-8%synergy
Creatures
Shay Cormac
53%inclusion33 decks62 decks
50%synergy
Stoneforge Mystic
50%inclusion31 decks62 decks
47%synergy
Magda, the Hoardmaster
48%inclusion30 decks62 decks
46%synergy
Lae'zel, Vlaakith's Champion
48%inclusion30 decks62 decks
47%synergy
Mother of Runes
47%inclusion29 decks62 decks
39%synergy
Puresteel Paladin
47%inclusion29 decks62 decks
43%synergy
White Plume Adventurer
42%inclusion26 decks62 decks
41%synergy
Maha, Its Feathers Night
37%inclusion23 decks62 decks
36%synergy
Kalemne, Disciple of Iroas
37%inclusion23 decks62 decks
36%synergy
Humble Defector
35%inclusion22 decks62 decks
33%synergy
Daxos the Returned
35%inclusion22 decks62 decks
35%synergy
Akiri, Fearless Voyager
35%inclusion22 decks62 decks
33%synergy
Goblin Sharpshooter
34%inclusion21 decks62 decks
33%synergy
Termination Facilitator
32%inclusion20 decks62 decks
31%synergy
Void Beckoner
31%inclusion19 decks62 decks
30%synergy
Slaughter Specialist
29%inclusion18 decks62 decks
28%synergy
Mathas, Fiend Seeker
27%inclusion17 decks62 decks
25%synergy
Harvester of Souls
26%inclusion16 decks62 decks
23%synergy
Sram, Senior Edificer
26%inclusion16 decks62 decks
23%synergy
Sun Titan
26%inclusion16 decks62 decks
15%synergy
Esper Sentinel
24%inclusion15 decks62 decks
6%synergy
Taii Wakeen, Perfect Shot
23%inclusion14 decks62 decks
22%synergy
Marvin, Murderous Mimic
21%inclusion13 decks61 decks
20%synergy
Ertha Jo, Frontier Mentor
21%inclusion13 decks62 decks
20%synergy
Stonehewer Giant
19%inclusion12 decks62 decks
18%synergy
Armored Skyhunter
19%inclusion12 decks62 decks
18%synergy
Kratos, Stoic Father
19%inclusion7 decks37 decks
19%synergy
Kellan, the Fae-Blooded
16%inclusion10 decks62 decks
15%synergy
Assault Intercessor
16%inclusion10 decks62 decks
16%synergy
Giver of Runes
16%inclusion10 decks62 decks
13%synergy
Bureau Headmaster
16%inclusion10 decks62 decks
16%synergy
Deathbringer Thoctar
15%inclusion9 decks62 decks
14%synergy
Witch Enchanter
13%inclusion8 decks62 decks
6%synergy
Blood Cultist
13%inclusion8 decks62 decks
12%synergy
Athreos, Shroud-Veiled
13%inclusion8 decks62 decks
12%synergy
Archetype of Finality
13%inclusion8 decks62 decks
12%synergy
Cloud, Midgar Mercenary
13%inclusion6 decks48 decks
11%synergy
Blood Artist
11%inclusion7 decks62 decks
-7%synergy
Gisa, Glorious Resurrector
11%inclusion7 decks62 decks
10%synergy
Codsworth, Handy Helper
11%inclusion7 decks62 decks
11%synergy
Professional Face-Breaker
10%inclusion6 decks62 decks
-6%synergy
Lotho, Corrupt Shirriff
10%inclusion6 decks62 decks
-4%synergy
Astor, Bearer of Blades
10%inclusion6 decks62 decks
9%synergy
Vulshok Sorcerer
10%inclusion6 decks62 decks
9%synergy
Zagras, Thief of Heartbeats
10%inclusion6 decks62 decks
9%synergy
Cunning Sparkmage
10%inclusion6 decks62 decks
9%synergy
Massacre Girl, Known Killer
10%inclusion6 decks62 decks
8%synergy
Reyav, Master Smith
10%inclusion6 decks62 decks
9%synergy
Queen Marchesa
10%inclusion6 decks62 decks
4%synergy
Qarsi Revenant
9.4%inclusion5 decks53 decks
7%synergy
Instants
Boros Charm
50%inclusion31 decks62 decks
21%synergy
Stroke of Midnight
35%inclusion22 decks62 decks
24%synergy
Anguished Unmaking
35%inclusion22 decks62 decks
2%synergy
Swords to Plowshares
34%inclusion21 decks62 decks
-28%synergy
You Are Already Dead
32%inclusion20 decks62 decks
31%synergy
Crackling Doom
29%inclusion18 decks62 decks
12%synergy
Generous Gift
29%inclusion18 decks62 decks
11%synergy
Malakir Rebirth
21%inclusion13 decks62 decks
16%synergy
Path to Exile
21%inclusion13 decks62 decks
-26%synergy
Deflecting Swat
19%inclusion12 decks62 decks
3%synergy
Flawless Maneuver
18%inclusion11 decks62 decks
3%synergy
Wear // Tear
16%inclusion10 decks62 decks
5%synergy
Mirrodin Avenged
16%inclusion10 decks62 decks
15%synergy
Despark
15%inclusion9 decks62 decks
1%synergy
Chaos Warp
13%inclusion8 decks62 decks
-3%synergy
Deadly Rollick
13%inclusion8 decks62 decks
2%synergy
Dawn's Truce
13%inclusion8 decks62 decks
6%synergy
Rakdos Charm
13%inclusion8 decks62 decks
4%synergy
Bladebrand
13%inclusion8 decks62 decks
12%synergy
Fracture
13%inclusion8 decks62 decks
7%synergy
Mortify
13%inclusion8 decks62 decks
-2%synergy
Dire Tactics
11%inclusion7 decks62 decks
9%synergy
Imp's Mischief
11%inclusion7 decks62 decks
10%synergy
Sejiri Shelter
11%inclusion7 decks62 decks
9%synergy
Deflecting Palm
11%inclusion7 decks62 decks
5%synergy
Untimely Malfunction
8.2%inclusion5 decks61 decks
3%synergy
Fell the Profane
8.1%inclusion5 decks62 decks
2%synergy
Terminate
8.1%inclusion5 decks62 decks
-4%synergy
Legion Leadership
8.1%inclusion5 decks62 decks
4%synergy
Offer Immortality
8.1%inclusion5 decks62 decks
7%synergy
Rebuff the Wicked
8.1%inclusion5 decks62 decks
7%synergy
Alesha's Legacy
7.5%inclusion4 decks53 decks
6%synergy
Dark Ritual
6.5%inclusion4 decks62 decks
-10%synergy
Virulent Swipe
6.5%inclusion4 decks62 decks
6%synergy
Tainted Strike
6.5%inclusion4 decks62 decks
6%synergy
Utter End
6.5%inclusion4 decks62 decks
2%synergy
Touch of Moonglove
6.5%inclusion4 decks62 decks
6%synergy
Valakut Awakening
6.5%inclusion4 decks62 decks
3%synergy
Erode
5.0%inclusion1 decks20 decks
1%synergy
Harsh Annotation
5.0%inclusion1 decks20 decks
5%synergy
Sorceries
Ruinous Ultimatum
44%inclusion27 decks62 decks
4%synergy
Mythos of Snapdax
37%inclusion23 decks62 decks
32%synergy
Night's Whisper
35%inclusion22 decks62 decks
22%synergy
Painful Truths
26%inclusion16 decks62 decks
18%synergy
Sevinne's Reclamation
24%inclusion15 decks62 decks
16%synergy
Call of the Death-Dweller
24%inclusion15 decks62 decks
24%synergy
Vandalblast
21%inclusion13 decks62 decks
11%synergy
Read the Bones
21%inclusion13 decks62 decks
12%synergy
Chandra's Ignition
16%inclusion10 decks62 decks
14%synergy
Sign in Blood
15%inclusion9 decks62 decks
7%synergy
Faithless Looting
13%inclusion8 decks62 decks
-3%synergy
Feed the Swarm
11%inclusion7 decks62 decks
6%synergy
Damn
11%inclusion7 decks62 decks
-6%synergy
Unearth
10%inclusion6 decks62 decks
7%synergy
Single Combat
10%inclusion6 decks62 decks
8%synergy
Vindicate
8.1%inclusion5 decks62 decks
2%synergy
Blasphemous Act
6.5%inclusion4 decks62 decks
-16%synergy
Reanimate
6.5%inclusion4 decks62 decks
-11%synergy
Recommission
6.5%inclusion4 decks62 decks
6%synergy
Utility Artifacts
Magewright's Stone
45%inclusion28 decks62 decks
44%synergy
Quietus Spike
44%inclusion27 decks62 decks
42%synergy
Illusionist's Bracers
42%inclusion26 decks62 decks
40%synergy
Thousand-Year Elixir
37%inclusion23 decks62 decks
36%synergy
Hunter's Blowgun
27%inclusion17 decks62 decks
27%synergy
Lightning Greaves
24%inclusion15 decks62 decks
-10%synergy
Brotherhood Regalia
23%inclusion14 decks62 decks
19%synergy
Hammer of Nazahn
23%inclusion14 decks62 decks
21%synergy
Dragonfire Blade
19%inclusion10 decks52 decks
18%synergy
Mithril Coat
18%inclusion11 decks62 decks
12%synergy
Robe of Stars
18%inclusion11 decks62 decks
17%synergy
Glaring Spotlight
16%inclusion10 decks62 decks
16%synergy
Sword of the Animist
16%inclusion10 decks62 decks
7%synergy
Whispersilk Cloak
15%inclusion9 decks62 decks
9%synergy
Battlemage's Bracers
15%inclusion9 decks62 decks
14%synergy
The Reaver Cleaver
11%inclusion7 decks62 decks
5%synergy
Haystack
11%inclusion7 decks62 decks
10%synergy
Puppet Strings
11%inclusion7 decks62 decks
11%synergy
Conqueror's Flail
10%inclusion6 decks62 decks
8%synergy
Scythe of the Wretched
10%inclusion6 decks62 decks
10%synergy
Darksteel Plate
10%inclusion6 decks62 decks
8%synergy
The Masamune
8.3%inclusion4 decks48 decks
8%synergy
Halo Fountain
8.1%inclusion5 decks62 decks
8%synergy
Champion's Helm
8.1%inclusion5 decks62 decks
7%synergy
Mask of Memory
8.1%inclusion5 decks62 decks
7%synergy
Blackblade Reforged
8.1%inclusion5 decks62 decks
4%synergy
Zephyr Boots
6.5%inclusion4 decks62 decks
6%synergy
Wayfarer's Bauble
6.5%inclusion4 decks62 decks
-2%synergy
Hidden Blade
6.5%inclusion4 decks62 decks
6%synergy
Skullclamp
6.5%inclusion4 decks62 decks
-23%synergy
Sword of Truth and Justice
6.5%inclusion4 decks62 decks
6%synergy
Sword of Forge and Frontier
6.5%inclusion4 decks62 decks
5%synergy
Enchantments
Sigarda's Aid
37%inclusion23 decks62 decks
34%synergy
Aspect of Gorgon
34%inclusion21 decks62 decks
33%synergy
Dazzling Theater // Prop Room
30%inclusion18 decks61 decks
28%synergy
Phyrexian Arena
29%inclusion18 decks62 decks
11%synergy
All-Out Assault
28%inclusion15 decks53 decks
17%synergy
Reconnaissance
26%inclusion16 decks62 decks
14%synergy
Revel in Riches
24%inclusion15 decks62 decks
18%synergy
Black Market Connections
21%inclusion13 decks62 decks
5%synergy
Forge Anew
19%inclusion12 decks62 decks
17%synergy
Black Market
13%inclusion8 decks62 decks
8%synergy
Kaya's Ghostform
13%inclusion8 decks62 decks
11%synergy
Agent of the Shadow Thieves
13%inclusion8 decks62 decks
12%synergy
Nowhere to Run
11%inclusion7 decks62 decks
11%synergy
Retreat to Hagra
10%inclusion6 decks62 decks
9%synergy
Grave Betrayal
10%inclusion6 decks62 decks
9%synergy
Forging the Tyrite Sword
8.1%inclusion5 decks62 decks
7%synergy
Death Pits of Rath
8.1%inclusion5 decks62 decks
8%synergy
Spiteful Banditry
8.1%inclusion5 decks62 decks
6%synergy
Ghoulish Impetus
6.5%inclusion4 decks62 decks
5%synergy
Glasswing Grace
6.5%inclusion4 decks62 decks
5%synergy
Ghostly Prison
6.5%inclusion4 decks62 decks
-1%synergy
Eye of Nidhogg
6.3%inclusion3 decks48 decks
6%synergy
Utility Lands
Vault of the Archangel
61%inclusion38 decks62 decks
38%synergy
Rogue's Passage
53%inclusion33 decks62 decks
29%synergy
Arcane Lighthouse
47%inclusion29 decks62 decks
46%synergy
Bojuka Bog
40%inclusion25 decks62 decks
9%synergy
Detection Tower
40%inclusion25 decks62 decks
40%synergy
Axgard Armory
26%inclusion16 decks62 decks
24%synergy
Buried Ruin
24%inclusion15 decks62 decks
21%synergy
Karn's Bastion
24%inclusion15 decks62 decks
23%synergy
Urza's Saga
21%inclusion13 decks62 decks
17%synergy
Shizo, Death's Storehouse
19%inclusion12 decks62 decks
12%synergy
Sunhome, Fortress of the Legion
16%inclusion10 decks62 decks
13%synergy
Urborg, Tomb of Yawgmoth
16%inclusion10 decks62 decks
3%synergy
Command Beacon
15%inclusion9 decks62 decks
9%synergy
Reliquary Tower
13%inclusion8 decks62 decks
-2%synergy
Eiganjo, Seat of the Empire
8.1%inclusion5 decks62 decks
2%synergy
Arena of Glory
6.5%inclusion4 decks62 decks
-1%synergy
Mana Artifacts
Sol Ring
90%inclusion56 decks62 decks
2%synergy
Arcane Signet
84%inclusion52 decks62 decks
-2%synergy
Patriar's Seal
66%inclusion41 decks62 decks
64%synergy
Talisman of Indulgence
45%inclusion28 decks62 decks
8%synergy
Talisman of Conviction
45%inclusion28 decks62 decks
3%synergy
Talisman of Hierarchy
45%inclusion28 decks62 decks
4%synergy
Rakdos Signet
34%inclusion21 decks62 decks
5%synergy
Orzhov Signet
31%inclusion19 decks62 decks
0%synergy
Boros Signet
29%inclusion18 decks62 decks
2%synergy
Bounty Board
21%inclusion13 decks62 decks
19%synergy
Fellwar Stone
19%inclusion12 decks62 decks
-9%synergy
Aetheric Amplifier
16%inclusion10 decks61 decks
16%synergy
Chromatic Lantern
11%inclusion7 decks62 decks
1%synergy
Bandit's Haul
8.1%inclusion5 decks62 decks
7%synergy
Lands
Command Tower
98%inclusion61 decks62 decks
6%synergy
Swamp
95%inclusion59 decks62 decks
0%synergy
Plains
95%inclusion59 decks62 decks
0%synergy
Mountain
94%inclusion58 decks62 decks
0%synergy
Savai Triome
65%inclusion40 decks62 decks
27%synergy
Nomad Outpost
65%inclusion40 decks62 decks
6%synergy
Sacred Foundry
63%inclusion39 decks62 decks
18%synergy
Blood Crypt
58%inclusion36 decks62 decks
13%synergy
Dragonskull Summit
56%inclusion35 decks62 decks
4%synergy
Godless Shrine
56%inclusion35 decks62 decks
9%synergy
Exotic Orchard
55%inclusion34 decks62 decks
2%synergy
Isolated Chapel
55%inclusion34 decks62 decks
1%synergy
Battlefield Forge
53%inclusion33 decks62 decks
12%synergy
Spectator Seating
53%inclusion33 decks62 decks
22%synergy
Forbidden Orchard
53%inclusion33 decks62 decks
51%synergy
Caves of Koilos
52%inclusion32 decks62 decks
12%synergy
Clifftop Retreat
52%inclusion32 decks62 decks
0%synergy
Vault of Champions
50%inclusion31 decks62 decks
18%synergy
Luxury Suite
48%inclusion30 decks62 decks
17%synergy
Sundown Pass
44%inclusion27 decks62 decks
22%synergy
Shattered Sanctum
40%inclusion25 decks62 decks
15%synergy
Sulfurous Springs
39%inclusion24 decks62 decks
11%synergy
Bloodstained Mire
39%inclusion24 decks62 decks
6%synergy
Arid Mesa
35%inclusion22 decks62 decks
4%synergy
Marsh Flats
35%inclusion22 decks62 decks
4%synergy
Haunted Ridge
35%inclusion22 decks62 decks
16%synergy
Shattered Landscape
29%inclusion18 decks62 decks
10%synergy
Brightclimb Pathway
27%inclusion17 decks62 decks
19%synergy
Rugged Prairie
27%inclusion17 decks62 decks
10%synergy
Smoldering Marsh
26%inclusion16 decks62 decks
-11%synergy
Fetid Heath
26%inclusion16 decks62 decks
4%synergy
Needleverge Pathway
26%inclusion16 decks62 decks
18%synergy
Path of Ancestry
23%inclusion14 decks62 decks
-15%synergy
Malakir Rebirth
21%inclusion13 decks62 decks
16%synergy
Plaza of Heroes
19%inclusion12 decks62 decks
15%synergy
Temple of Silence
19%inclusion12 decks62 decks
-3%synergy
Tainted Field
18%inclusion11 decks62 decks
6%synergy
Graven Cairns
18%inclusion11 decks62 decks
6%synergy
Blightstep Pathway
18%inclusion11 decks62 decks
10%synergy
City of Brass
18%inclusion11 decks62 decks
7%synergy
Fabled Passage
16%inclusion10 decks62 decks
8%synergy
Temple of Triumph
16%inclusion10 decks62 decks
-5%synergy
Evolving Wilds
15%inclusion9 decks62 decks
-11%synergy
Witch Enchanter
13%inclusion8 decks62 decks
6%synergy
Boros Garrison
13%inclusion8 decks62 decks
1%synergy
Orzhov Basilica
13%inclusion8 decks62 decks
-1%synergy
Terramorphic Expanse
11%inclusion7 decks62 decks
-8%synergy
Reflecting Pool
11%inclusion7 decks62 decks
4%synergy
Temple of Malice
11%inclusion7 decks62 decks
-5%synergy
Sejiri Shelter
11%inclusion7 decks62 decks
9%synergy