Kelsien, the Plague (Commander) - +1/+1 Counters

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #427
41decks
As CommanderAs CardAverage DeckDecksView Precon
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Budget
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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Super Shredder
13%inclusion2 decks16 decks
12%synergy
Casey Jones, Jury-Rig Justiciar
6.3%inclusion1 decks16 decks
6%synergy
High Synergy Cards
Minthara, Merciless Soul
93%inclusion38 decks41 decks
91%synergy
Basilisk Collar
80%inclusion33 decks41 decks
76%synergy
Rune of Mortality
71%inclusion29 decks41 decks
69%synergy
Otharri, Suns' Glory
73%inclusion30 decks41 decks
68%synergy
Falthis, Shadowcat Familiar
68%inclusion28 decks41 decks
67%synergy
Thornbite Staff
68%inclusion28 decks41 decks
67%synergy
Drumbellower
66%inclusion27 decks41 decks
64%synergy
Vorpal Sword
66%inclusion27 decks41 decks
64%synergy
Mari, the Killing Quill
68%inclusion28 decks41 decks
62%synergy
Lae'zel, Vlaakith's Champion
61%inclusion25 decks41 decks
59%synergy
Top Cards
Morbid Opportunist
73%inclusion30 decks41 decks
55%synergy
Swiftfoot Boots
61%inclusion25 decks41 decks
29%synergy
Gift of Doom
56%inclusion23 decks41 decks
55%synergy
Open the Armory
54%inclusion22 decks41 decks
49%synergy
General's Enforcer
54%inclusion22 decks41 decks
45%synergy
Sting, the Glinting Dagger
54%inclusion22 decks41 decks
52%synergy
Gorgon's Head
51%inclusion21 decks41 decks
50%synergy
Termination Facilitator
51%inclusion21 decks41 decks
50%synergy
You Are Already Dead
49%inclusion20 decks41 decks
47%synergy
Fighter Class
46%inclusion19 decks41 decks
44%synergy
Game Changers
Smothering Tithe
22%inclusion9 decks41 decks
-3%synergy
Farewell
20%inclusion8 decks41 decks
9%synergy
Enlightened Tutor
20%inclusion8 decks41 decks
7%synergy
Teferi's Protection
15%inclusion6 decks41 decks
-5%synergy
Demonic Tutor
15%inclusion6 decks41 decks
-4%synergy
Vampiric Tutor
15%inclusion6 decks41 decks
0%synergy
Orcish Bowmasters
10%inclusion4 decks41 decks
4%synergy
Gamble
7.3%inclusion3 decks41 decks
1%synergy
Creatures
Shay Cormac
45%inclusion17 decks38 decks
42%synergy
Kalemne, Disciple of Iroas
44%inclusion18 decks41 decks
43%synergy
Maha, Its Feathers Night
42%inclusion16 decks38 decks
41%synergy
Daxos the Returned
41%inclusion17 decks41 decks
41%synergy
Slaughter Specialist
39%inclusion16 decks41 decks
38%synergy
Ertha Jo, Frontier Mentor
37%inclusion15 decks41 decks
36%synergy
Void Beckoner
34%inclusion14 decks41 decks
33%synergy
Magda, the Hoardmaster
34%inclusion14 decks41 decks
32%synergy
Humble Defector
32%inclusion13 decks41 decks
29%synergy
Mathas, Fiend Seeker
32%inclusion13 decks41 decks
30%synergy
Goblin Sharpshooter
32%inclusion13 decks41 decks
31%synergy
Taii Wakeen, Perfect Shot
29%inclusion12 decks41 decks
29%synergy
White Plume Adventurer
29%inclusion12 decks41 decks
28%synergy
Harvester of Souls
29%inclusion12 decks41 decks
26%synergy
Athreos, Shroud-Veiled
29%inclusion12 decks41 decks
28%synergy
Blood Cultist
27%inclusion11 decks41 decks
26%synergy
Mother of Runes
27%inclusion11 decks41 decks
19%synergy
Queen Marchesa
27%inclusion11 decks41 decks
21%synergy
Ankle Shanker
24%inclusion10 decks41 decks
21%synergy
Archetype of Finality
24%inclusion10 decks41 decks
24%synergy
Torbran, Thane of Red Fell
22%inclusion9 decks41 decks
22%synergy
Grateful Apparition
22%inclusion9 decks41 decks
22%synergy
Marvin, Murderous Mimic
21%inclusion8 decks38 decks
20%synergy
Stoneforge Mystic
20%inclusion8 decks41 decks
17%synergy
Assault Intercessor
20%inclusion8 decks41 decks
19%synergy
Puresteel Paladin
20%inclusion8 decks41 decks
16%synergy
Sun Titan
20%inclusion8 decks41 decks
9%synergy
Alesha, Who Laughs at Fate
18%inclusion6 decks33 decks
6%synergy
Metastatic Evangel
18%inclusion7 decks39 decks
18%synergy
Clackbridge Troll
17%inclusion7 decks41 decks
17%synergy
Giver of Runes
15%inclusion6 decks41 decks
12%synergy
Esper Sentinel
15%inclusion6 decks41 decks
-4%synergy
Sram, Senior Edificer
15%inclusion6 decks41 decks
12%synergy
Zagras, Thief of Heartbeats
15%inclusion6 decks41 decks
14%synergy
Massacre Girl, Known Killer
15%inclusion6 decks41 decks
12%synergy
Zuko, Firebending Master
13%inclusion2 decks15 decks
12%synergy
Azula, Ruthless Firebender
13%inclusion2 decks15 decks
13%synergy
Deathbringer Thoctar
12%inclusion5 decks41 decks
12%synergy
Blood Artist
12%inclusion5 decks41 decks
-6%synergy
Akroan Horse
12%inclusion5 decks41 decks
12%synergy
Tor Wauki the Younger
12%inclusion5 decks41 decks
12%synergy
Aang, Airbending Master
11%inclusion2 decks18 decks
10%synergy
Bureau Headmaster
11%inclusion4 decks38 decks
10%synergy
Patrolling Peacemaker
10%inclusion2 decks20 decks
10%synergy
Solemn Simulacrum
10%inclusion4 decks41 decks
-3%synergy
Robaran Mercenaries
10%inclusion4 decks41 decks
10%synergy
Teysa Karlov
10%inclusion4 decks41 decks
3%synergy
Onyx Mage
10%inclusion4 decks41 decks
10%synergy
Royal Assassin
10%inclusion4 decks41 decks
7%synergy
Cunning Sparkmage
10%inclusion4 decks41 decks
9%synergy
Instants
Boros Charm
44%inclusion18 decks41 decks
15%synergy
Swords to Plowshares
39%inclusion16 decks41 decks
-23%synergy
Mirrodin Avenged
37%inclusion15 decks41 decks
36%synergy
Crackling Doom
37%inclusion15 decks41 decks
20%synergy
Fracture
34%inclusion14 decks41 decks
28%synergy
Stroke of Midnight
32%inclusion13 decks41 decks
20%synergy
Offer Immortality
32%inclusion13 decks41 decks
31%synergy
Anguished Unmaking
27%inclusion11 decks41 decks
-7%synergy
Despark
27%inclusion11 decks41 decks
13%synergy
Mortify
27%inclusion11 decks41 decks
11%synergy
Dire Tactics
24%inclusion10 decks41 decks
22%synergy
Bladebrand
22%inclusion9 decks41 decks
21%synergy
Alesha's Legacy
18%inclusion5 decks28 decks
17%synergy
Path to Exile
17%inclusion7 decks41 decks
-30%synergy
Generous Gift
17%inclusion7 decks41 decks
-1%synergy
Chaos Warp
15%inclusion6 decks41 decks
-1%synergy
Flawless Maneuver
15%inclusion6 decks41 decks
0%synergy
Battle-Rage Blessing
15%inclusion6 decks41 decks
14%synergy
Rakdos Charm
15%inclusion6 decks41 decks
6%synergy
Deflecting Swat
15%inclusion6 decks41 decks
-1%synergy
Deflecting Palm
15%inclusion6 decks41 decks
8%synergy
Sear
14%inclusion1 decks7 decks
14%synergy
Scarblade's Malice
14%inclusion1 decks7 decks
14%synergy
Feed the Flames
14%inclusion1 decks7 decks
14%synergy
Deadly Rollick
12%inclusion5 decks41 decks
1%synergy
Terminate
12%inclusion5 decks41 decks
0%synergy
Wear // Tear
12%inclusion5 decks41 decks
1%synergy
Bedevil
12%inclusion5 decks41 decks
5%synergy
Volt Charge
12%inclusion5 decks41 decks
12%synergy
Dawn's Truce
11%inclusion4 decks38 decks
4%synergy
Maximum Overdrive
10%inclusion3 decks30 decks
10%synergy
Thrill of Possibility
10%inclusion4 decks41 decks
2%synergy
Tragic Slip
10%inclusion4 decks41 decks
8%synergy
Vincent's Limit Break
9.1%inclusion2 decks22 decks
9%synergy
Orim's Chant
7.3%inclusion3 decks41 decks
5%synergy
Dark Ritual
7.3%inclusion3 decks41 decks
-9%synergy
Virulent Swipe
7.3%inclusion3 decks41 decks
7%synergy
Bolt Bend
7.3%inclusion3 decks41 decks
6%synergy
Abrade
7.3%inclusion3 decks41 decks
2%synergy
Untimely Malfunction
5.3%inclusion2 decks38 decks
0%synergy
Archenemy's Charm
5.0%inclusion1 decks20 decks
5%synergy
Zealous Display
5.0%inclusion1 decks20 decks
5%synergy
Sorceries
Mythos of Snapdax
39%inclusion16 decks41 decks
33%synergy
Ruinous Ultimatum
39%inclusion16 decks41 decks
0%synergy
Call of the Death-Dweller
29%inclusion12 decks41 decks
29%synergy
Painful Truths
27%inclusion11 decks41 decks
19%synergy
Single Combat
27%inclusion11 decks41 decks
25%synergy
Steelshaper's Gift
27%inclusion11 decks41 decks
24%synergy
Drown in Ichor
24%inclusion10 decks41 decks
24%synergy
Vandalblast
22%inclusion9 decks41 decks
11%synergy
Sevinne's Reclamation
20%inclusion8 decks41 decks
12%synergy
Read the Bones
20%inclusion8 decks41 decks
10%synergy
Unfinished Business
20%inclusion8 decks41 decks
19%synergy
Damn
20%inclusion8 decks41 decks
2%synergy
Blasphemous Act
17%inclusion7 decks41 decks
-6%synergy
Night's Whisper
17%inclusion7 decks41 decks
4%synergy
Sign in Blood
15%inclusion6 decks41 decks
7%synergy
Chandra's Ignition
15%inclusion6 decks41 decks
13%synergy
Unearth
12%inclusion5 decks41 decks
10%synergy
Vindicate
12%inclusion5 decks41 decks
6%synergy
Blasphemous Edict
12%inclusion4 decks33 decks
8%synergy
Tempt with Bunnies
11%inclusion4 decks38 decks
10%synergy
Vat Emergence
10%inclusion4 decks41 decks
10%synergy
Austere Command
10%inclusion4 decks41 decks
2%synergy
Feed the Swarm
10%inclusion4 decks41 decks
5%synergy
Grim Tutor
10%inclusion4 decks41 decks
6%synergy
Diabolic Tutor
7.3%inclusion3 decks41 decks
1%synergy
Recommission
7.3%inclusion3 decks41 decks
7%synergy
Sundering Eruption
5.0%inclusion2 decks40 decks
2%synergy
Utility Artifacts
Quietus Spike
44%inclusion18 decks41 decks
43%synergy
Hunter's Blowgun
37%inclusion15 decks41 decks
36%synergy
Illusionist's Bracers
34%inclusion14 decks41 decks
33%synergy
Thousand-Year Elixir
32%inclusion13 decks41 decks
31%synergy
Gorgon Flail
32%inclusion13 decks41 decks
31%synergy
Glaring Spotlight
29%inclusion12 decks41 decks
29%synergy
Shadowspear
27%inclusion11 decks41 decks
23%synergy
Magewright's Stone
24%inclusion10 decks41 decks
23%synergy
Lightning Greaves
24%inclusion10 decks41 decks
-10%synergy
Mithril Coat
22%inclusion9 decks41 decks
16%synergy
Mask of Griselbrand
15%inclusion6 decks41 decks
13%synergy
Bark of Doran
14%inclusion1 decks7 decks
14%synergy
Robe of Stars
12%inclusion5 decks41 decks
11%synergy
Whispersilk Cloak
12%inclusion5 decks41 decks
7%synergy
Battlemage's Bracers
12%inclusion5 decks41 decks
12%synergy
Dragonfire Blade
11%inclusion3 decks28 decks
9%synergy
Wayfarer's Bauble
10%inclusion4 decks41 decks
1%synergy
The Reaver Cleaver
10%inclusion4 decks41 decks
4%synergy
Contagion Engine
10%inclusion4 decks41 decks
10%synergy
Trailblazer's Boots
10%inclusion4 decks41 decks
8%synergy
Sunforger
10%inclusion4 decks41 decks
7%synergy
Blackblade Reforged
10%inclusion4 decks41 decks
5%synergy
The Masamune
9.1%inclusion2 decks22 decks
9%synergy
Brotherhood Regalia
7.9%inclusion3 decks38 decks
5%synergy
Fiendlash
7.3%inclusion3 decks41 decks
7%synergy
Hidden Blade
7.3%inclusion3 decks41 decks
7%synergy
Sword of Truth and Justice
7.3%inclusion3 decks41 decks
7%synergy
Darksteel Plate
7.3%inclusion3 decks41 decks
5%synergy
Haystack
7.3%inclusion3 decks41 decks
6%synergy
Sword of the Animist
7.3%inclusion3 decks41 decks
-2%synergy
Hammer of Nazahn
7.3%inclusion3 decks41 decks
5%synergy
Puppet Strings
7.3%inclusion3 decks41 decks
7%synergy
Enchantments
All-Out Assault
32%inclusion9 decks28 decks
20%synergy
Aspect of Gorgon
29%inclusion12 decks41 decks
29%synergy
Death Pits of Rath
27%inclusion11 decks41 decks
27%synergy
Agent of the Shadow Thieves
27%inclusion11 decks41 decks
26%synergy
Dazzling Theater // Prop Room
26%inclusion10 decks38 decks
24%synergy
Revel in Riches
22%inclusion9 decks41 decks
15%synergy
Sigarda's Aid
20%inclusion8 decks41 decks
17%synergy
Black Market Connections
17%inclusion7 decks41 decks
1%synergy
Black Market
15%inclusion6 decks41 decks
9%synergy
Retreat to Hagra
15%inclusion6 decks41 decks
14%synergy
Grave Betrayal
15%inclusion6 decks41 decks
14%synergy
Reconnaissance
12%inclusion5 decks41 decks
1%synergy
Forge Anew
12%inclusion5 decks41 decks
10%synergy
At Knifepoint
12%inclusion5 decks41 decks
11%synergy
Phyrexian Arena
12%inclusion5 decks41 decks
-7%synergy
Nowhere to Run
11%inclusion4 decks38 decks
10%synergy
Underworld Connections
10%inclusion4 decks41 decks
9%synergy
Spiteful Banditry
10%inclusion4 decks41 decks
8%synergy
Necrosynthesis
7.3%inclusion3 decks41 decks
7%synergy
Phyresis
7.3%inclusion3 decks41 decks
7%synergy
Pain for All
5.0%inclusion1 decks20 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
22%inclusion9 decks41 decks
22%synergy
Nahiri, the Harbinger
7.3%inclusion3 decks41 decks
7%synergy
Utility Lands
Vault of the Archangel
54%inclusion22 decks41 decks
31%synergy
Rogue's Passage
46%inclusion19 decks41 decks
23%synergy
Arcane Lighthouse
34%inclusion14 decks41 decks
33%synergy
Bojuka Bog
32%inclusion13 decks41 decks
1%synergy
Axgard Armory
32%inclusion13 decks41 decks
30%synergy
Karn's Bastion
29%inclusion12 decks41 decks
28%synergy
Detection Tower
27%inclusion11 decks41 decks
26%synergy
Buried Ruin
20%inclusion8 decks41 decks
16%synergy
Shizo, Death's Storehouse
15%inclusion6 decks41 decks
8%synergy
Sunhome, Fortress of the Legion
12%inclusion5 decks41 decks
9%synergy
Urborg, Tomb of Yawgmoth
10%inclusion4 decks41 decks
-4%synergy
Urza's Saga
7.3%inclusion3 decks41 decks
3%synergy
Eiganjo, Seat of the Empire
7.3%inclusion3 decks41 decks
1%synergy
Reliquary Tower
7.3%inclusion3 decks41 decks
-8%synergy
Cori Mountain Monastery
7.1%inclusion2 decks28 decks
5%synergy
Mana Artifacts
Sol Ring
88%inclusion36 decks41 decks
-1%synergy
Arcane Signet
76%inclusion31 decks41 decks
-10%synergy
Patriar's Seal
51%inclusion21 decks41 decks
49%synergy
Talisman of Hierarchy
29%inclusion12 decks41 decks
-12%synergy
Rakdos Signet
24%inclusion10 decks41 decks
-5%synergy
Boros Signet
24%inclusion10 decks41 decks
-4%synergy
Talisman of Conviction
22%inclusion9 decks41 decks
-20%synergy
Orzhov Signet
22%inclusion9 decks41 decks
-10%synergy
Commander's Sphere
20%inclusion8 decks41 decks
5%synergy
Talisman of Indulgence
20%inclusion8 decks41 decks
-17%synergy
Bounty Board
17%inclusion7 decks41 decks
15%synergy
Aetheric Amplifier
13%inclusion4 decks30 decks
13%synergy
Chromatic Lantern
12%inclusion5 decks41 decks
1%synergy
Staff of Compleation
10%inclusion4 decks41 decks
9%synergy
Fellwar Stone
10%inclusion4 decks41 decks
-18%synergy
Lands
Swamp
100%inclusion41 decks41 decks
5%synergy
Plains
98%inclusion40 decks41 decks
2%synergy
Command Tower
93%inclusion38 decks41 decks
0%synergy
Mountain
90%inclusion37 decks41 decks
-4%synergy
Nomad Outpost
76%inclusion31 decks41 decks
17%synergy
Isolated Chapel
54%inclusion22 decks41 decks
1%synergy
Exotic Orchard
51%inclusion21 decks41 decks
-1%synergy
Dragonskull Summit
51%inclusion21 decks41 decks
-1%synergy
Battlefield Forge
49%inclusion20 decks41 decks
9%synergy
Clifftop Retreat
49%inclusion20 decks41 decks
-2%synergy
Savai Triome
44%inclusion18 decks41 decks
6%synergy
Caves of Koilos
44%inclusion18 decks41 decks
5%synergy
Godless Shrine
39%inclusion16 decks41 decks
-8%synergy
Smoldering Marsh
37%inclusion15 decks41 decks
0%synergy
Blood Crypt
37%inclusion15 decks41 decks
-8%synergy
Sulfurous Springs
37%inclusion15 decks41 decks
9%synergy
Sacred Foundry
34%inclusion14 decks41 decks
-11%synergy
Evolving Wilds
32%inclusion13 decks41 decks
5%synergy
Sundown Pass
29%inclusion12 decks41 decks
9%synergy
Shattered Sanctum
29%inclusion12 decks41 decks
5%synergy
Haunted Ridge
29%inclusion12 decks41 decks
9%synergy
Vault of Champions
29%inclusion12 decks41 decks
-3%synergy
Spectator Seating
27%inclusion11 decks41 decks
-5%synergy
Temple of Silence
27%inclusion11 decks41 decks
4%synergy
Luxury Suite
24%inclusion10 decks41 decks
-7%synergy
Path of Ancestry
24%inclusion10 decks41 decks
-14%synergy
Marsh Flats
24%inclusion10 decks41 decks
-7%synergy
Terramorphic Expanse
22%inclusion9 decks41 decks
3%synergy
Orzhov Basilica
22%inclusion9 decks41 decks
8%synergy
Arid Mesa
22%inclusion9 decks41 decks
-9%synergy
Forbidden Orchard
22%inclusion9 decks41 decks
19%synergy
Shattered Landscape
21%inclusion8 decks38 decks
2%synergy
Tainted Field
20%inclusion8 decks41 decks
8%synergy
Temple of Triumph
20%inclusion8 decks41 decks
-3%synergy
Temple of Malice
20%inclusion8 decks41 decks
3%synergy
Boros Garrison
20%inclusion8 decks41 decks
7%synergy
Bloodstained Mire
20%inclusion8 decks41 decks
-13%synergy
Fetid Heath
17%inclusion7 decks41 decks
-4%synergy
Needleverge Pathway
17%inclusion7 decks41 decks
9%synergy
Shadowblood Ridge
15%inclusion6 decks41 decks
-1%synergy
Brightclimb Pathway
15%inclusion6 decks41 decks
6%synergy
Blightstep Pathway
15%inclusion6 decks41 decks
7%synergy
Sunbillow Verge
13%inclusion4 decks30 decks
4%synergy
Rakdos Carnarium
12%inclusion5 decks41 decks
0%synergy
Rugged Prairie
12%inclusion5 decks41 decks
-5%synergy
Plaza of Heroes
12%inclusion5 decks41 decks
8%synergy
Badlands
10%inclusion4 decks41 decks
-2%synergy
Myriad Landscape
10%inclusion4 decks41 decks
-2%synergy
Graven Cairns
10%inclusion4 decks41 decks
-2%synergy
Foreboding Ruins
10%inclusion4 decks41 decks
-1%synergy
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