Kelsien, the Plague (Commander) - Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #446
23decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Basilisk Collar
96%inclusion22 decks23 decks
91%synergy
Shay Cormac
87%inclusion20 decks23 decks
84%synergy
Rune of Mortality
83%inclusion19 decks23 decks
81%synergy
Minthara, Merciless Soul
78%inclusion18 decks23 decks
77%synergy
Otharri, Suns' Glory
78%inclusion18 decks23 decks
73%synergy
Sting, the Glinting Dagger
74%inclusion17 decks23 decks
72%synergy
Drumbellower
74%inclusion17 decks23 decks
72%synergy
Vorpal Sword
74%inclusion17 decks23 decks
72%synergy
Falthis, Shadowcat Familiar
70%inclusion16 decks23 decks
68%synergy
Thornbite Staff
70%inclusion16 decks23 decks
68%synergy
Top Cards
Morbid Opportunist
78%inclusion18 decks23 decks
60%synergy
Mari, the Killing Quill
74%inclusion17 decks23 decks
68%synergy
You Are Already Dead
70%inclusion16 decks23 decks
68%synergy
Swiftfoot Boots
70%inclusion16 decks23 decks
38%synergy
Mathas, Fiend Seeker
65%inclusion15 decks23 decks
63%synergy
Termination Facilitator
65%inclusion15 decks23 decks
64%synergy
Humble Defector
61%inclusion14 decks23 decks
58%synergy
Taii Wakeen, Perfect Shot
61%inclusion14 decks23 decks
60%synergy
Gorgon's Head
61%inclusion14 decks23 decks
60%synergy
Magda, the Hoardmaster
61%inclusion14 decks23 decks
59%synergy
Game Changers
Demonic Tutor
26%inclusion6 decks23 decks
7%synergy
Enlightened Tutor
22%inclusion5 decks23 decks
10%synergy
Farewell
17%inclusion4 decks23 decks
7%synergy
Teferi's Protection
13%inclusion3 decks23 decks
-6%synergy
Smothering Tithe
13%inclusion3 decks23 decks
-11%synergy
Orcish Bowmasters
8.7%inclusion2 decks23 decks
3%synergy
Vampiric Tutor
8.7%inclusion2 decks23 decks
-5%synergy
Creatures
General's Enforcer
61%inclusion14 decks23 decks
53%synergy
Lae'zel, Vlaakith's Champion
61%inclusion14 decks23 decks
59%synergy
Goblin Sharpshooter
57%inclusion13 decks23 decks
56%synergy
Ertha Jo, Frontier Mentor
48%inclusion11 decks23 decks
47%synergy
Maha, Its Feathers Night
48%inclusion11 decks23 decks
47%synergy
Harvester of Souls
43%inclusion10 decks23 decks
41%synergy
Marvin, Murderous Mimic
39%inclusion9 decks23 decks
38%synergy
White Plume Adventurer
39%inclusion9 decks23 decks
38%synergy
Mother of Runes
39%inclusion9 decks23 decks
32%synergy
Daxos the Returned
35%inclusion8 decks23 decks
34%synergy
Slaughter Specialist
30%inclusion7 decks23 decks
29%synergy
Massacre Girl, Known Killer
30%inclusion7 decks23 decks
28%synergy
Blood Cultist
26%inclusion6 decks23 decks
26%synergy
Athreos, Shroud-Veiled
26%inclusion6 decks23 decks
25%synergy
Sun Titan
26%inclusion6 decks23 decks
15%synergy
Kalemne, Disciple of Iroas
26%inclusion6 decks23 decks
25%synergy
Robaran Mercenaries
22%inclusion5 decks23 decks
22%synergy
Ankle Shanker
22%inclusion5 decks23 decks
19%synergy
Puresteel Paladin
22%inclusion5 decks23 decks
18%synergy
Queen Marchesa
22%inclusion5 decks23 decks
16%synergy
Emeritus of Truce
20%inclusion1 decks5 decks
19%synergy
Azula, Ruthless Firebender
18%inclusion2 decks11 decks
18%synergy
Qarsi Revenant
18%inclusion3 decks17 decks
15%synergy
Void Beckoner
17%inclusion4 decks23 decks
17%synergy
Zagras, Thief of Heartbeats
17%inclusion4 decks23 decks
16%synergy
Tor Wauki the Younger
17%inclusion4 decks23 decks
17%synergy
Akiri, Fearless Voyager
17%inclusion4 decks23 decks
15%synergy
Archetype of Finality
17%inclusion4 decks23 decks
17%synergy
Professional Face-Breaker
13%inclusion3 decks23 decks
-3%synergy
Archivist of Oghma
13%inclusion3 decks23 decks
10%synergy
Blood Artist
13%inclusion3 decks23 decks
-5%synergy
Stoneforge Mystic
13%inclusion3 decks23 decks
10%synergy
Assault Intercessor
13%inclusion3 decks23 decks
12%synergy
Esper Sentinel
13%inclusion3 decks23 decks
-5%synergy
Torbran, Thane of Red Fell
13%inclusion3 decks23 decks
13%synergy
Royal Assassin
13%inclusion3 decks23 decks
10%synergy
Cunning Sparkmage
13%inclusion3 decks23 decks
13%synergy
Bureau Headmaster
13%inclusion3 decks23 decks
12%synergy
Gisa, Glorious Resurrector
13%inclusion3 decks23 decks
12%synergy
Casey Jones, Back Alley Brute
13%inclusion1 decks8 decks
12%synergy
Village Pillagers
10%inclusion1 decks10 decks
10%synergy
Witch Enchanter
8.7%inclusion2 decks23 decks
2%synergy
Bounty Agent
8.7%inclusion2 decks23 decks
8%synergy
Metastatic Evangel
8.7%inclusion2 decks23 decks
8%synergy
Deathbringer Thoctar
8.7%inclusion2 decks23 decks
8%synergy
Rakdos Ickspitter
8.7%inclusion2 decks23 decks
9%synergy
Species Specialist
8.7%inclusion2 decks23 decks
6%synergy
Unstoppable Slasher
8.7%inclusion2 decks23 decks
7%synergy
Alesha, Who Smiles at Death
8.7%inclusion2 decks23 decks
5%synergy
Zulaport Cutthroat
8.7%inclusion2 decks23 decks
-1%synergy
Instants
Stroke of Midnight
43%inclusion10 decks23 decks
32%synergy
Mirrodin Avenged
43%inclusion10 decks23 decks
43%synergy
Crackling Doom
43%inclusion10 decks23 decks
26%synergy
Fracture
43%inclusion10 decks23 decks
38%synergy
Boros Charm
39%inclusion9 decks23 decks
10%synergy
Swords to Plowshares
39%inclusion9 decks23 decks
-23%synergy
Path to Exile
26%inclusion6 decks23 decks
-21%synergy
Generous Gift
26%inclusion6 decks23 decks
9%synergy
Wear // Tear
22%inclusion5 decks23 decks
10%synergy
Despark
22%inclusion5 decks23 decks
8%synergy
Offer Immortality
22%inclusion5 decks23 decks
21%synergy
Mortify
22%inclusion5 decks23 decks
6%synergy
Dawn's Truce
17%inclusion4 decks23 decks
11%synergy
Terminate
17%inclusion4 decks23 decks
5%synergy
Virulent Swipe
17%inclusion4 decks23 decks
17%synergy
Anguished Unmaking
17%inclusion4 decks23 decks
-16%synergy
Deflecting Swat
17%inclusion4 decks23 decks
1%synergy
Bladebrand
17%inclusion4 decks23 decks
17%synergy
Dire Tactics
13%inclusion3 decks23 decks
11%synergy
Flawless Maneuver
13%inclusion3 decks23 decks
-1%synergy
Rakdos Charm
13%inclusion3 decks23 decks
4%synergy
Tainted Strike
13%inclusion3 decks23 decks
13%synergy
Touch of Moonglove
13%inclusion3 decks23 decks
13%synergy
Swift Demise
13%inclusion1 decks8 decks
12%synergy
Deadly Rollick
8.7%inclusion2 decks23 decks
-3%synergy
Toxin Analysis
8.7%inclusion2 decks23 decks
9%synergy
Untimely Malfunction
8.7%inclusion2 decks23 decks
4%synergy
Lightning Bolt
8.7%inclusion2 decks23 decks
5%synergy
Siege Smash
8.7%inclusion2 decks23 decks
8%synergy
Battle-Rage Blessing
8.7%inclusion2 decks23 decks
8%synergy
Malakir Rebirth
8.7%inclusion2 decks23 decks
3%synergy
Abrade
8.7%inclusion2 decks23 decks
3%synergy
Alesha's Legacy
5.9%inclusion1 decks17 decks
5%synergy
Sorceries
Open the Armory
48%inclusion11 decks23 decks
44%synergy
Mythos of Snapdax
43%inclusion10 decks23 decks
38%synergy
Painful Truths
43%inclusion10 decks23 decks
36%synergy
Ruinous Ultimatum
43%inclusion10 decks23 decks
4%synergy
Steelshaper's Gift
39%inclusion9 decks23 decks
36%synergy
Vandalblast
35%inclusion8 decks23 decks
25%synergy
Read the Bones
26%inclusion6 decks23 decks
18%synergy
Tempt with Bunnies
22%inclusion5 decks23 decks
21%synergy
Night's Whisper
22%inclusion5 decks23 decks
8%synergy
Call of the Death-Dweller
22%inclusion5 decks23 decks
21%synergy
Damn
17%inclusion4 decks23 decks
-0%synergy
Sign in Blood
13%inclusion3 decks23 decks
5%synergy
Rip Apart
13%inclusion3 decks23 decks
12%synergy
Austere Command
8.7%inclusion2 decks23 decks
2%synergy
Merciless Eviction
8.7%inclusion2 decks23 decks
6%synergy
Faithless Looting
8.7%inclusion2 decks23 decks
-7%synergy
Blasphemous Act
8.7%inclusion2 decks23 decks
-14%synergy
Chandra's Ignition
8.7%inclusion2 decks23 decks
7%synergy
Utility Artifacts
Illusionist's Bracers
52%inclusion12 decks23 decks
51%synergy
Magewright's Stone
52%inclusion12 decks23 decks
51%synergy
Quietus Spike
48%inclusion11 decks23 decks
47%synergy
Shadowspear
48%inclusion11 decks23 decks
44%synergy
Gorgon Flail
43%inclusion10 decks23 decks
43%synergy
Hunter's Blowgun
39%inclusion9 decks23 decks
39%synergy
Glaring Spotlight
35%inclusion8 decks23 decks
34%synergy
Whispersilk Cloak
26%inclusion6 decks23 decks
21%synergy
Lightning Greaves
26%inclusion6 decks23 decks
-8%synergy
Mithril Coat
22%inclusion5 decks23 decks
16%synergy
The Masamune
19%inclusion3 decks16 decks
18%synergy
Robe of Stars
17%inclusion4 decks23 decks
16%synergy
Thousand-Year Elixir
17%inclusion4 decks23 decks
16%synergy
Battlemage's Bracers
17%inclusion4 decks23 decks
17%synergy
Brotherhood Regalia
17%inclusion4 decks23 decks
14%synergy
Haystack
13%inclusion3 decks23 decks
12%synergy
Sword of the Animist
13%inclusion3 decks23 decks
4%synergy
Wayfarer's Bauble
8.7%inclusion2 decks23 decks
0%synergy
Halo Fountain
8.7%inclusion2 decks23 decks
8%synergy
The Reaver Cleaver
8.7%inclusion2 decks23 decks
3%synergy
Hidden Blade
8.7%inclusion2 decks23 decks
8%synergy
Skullclamp
8.7%inclusion2 decks23 decks
-20%synergy
Hammer of Nazahn
8.7%inclusion2 decks23 decks
7%synergy
Dragonfire Blade
5.9%inclusion1 decks17 decks
4%synergy
Enchantments
Gift of Doom
39%inclusion9 decks23 decks
38%synergy
All-Out Assault
35%inclusion6 decks17 decks
24%synergy
Fighter Class
35%inclusion8 decks23 decks
32%synergy
Dazzling Theater // Prop Room
35%inclusion8 decks23 decks
33%synergy
Phyrexian Arena
35%inclusion8 decks23 decks
16%synergy
Sigarda's Aid
26%inclusion6 decks23 decks
23%synergy
Reconnaissance
22%inclusion5 decks23 decks
10%synergy
At Knifepoint
22%inclusion5 decks23 decks
20%synergy
Black Market Connections
22%inclusion5 decks23 decks
6%synergy
Black Market
17%inclusion4 decks23 decks
12%synergy
Grave Betrayal
17%inclusion4 decks23 decks
17%synergy
Revel in Riches
17%inclusion4 decks23 decks
11%synergy
Changing Loyalty
17%inclusion1 decks6 decks
16%synergy
Aspect of Gorgon
13%inclusion3 decks23 decks
13%synergy
Forge Anew
13%inclusion3 decks23 decks
11%synergy
Feast of the Victorious Dead
13%inclusion3 decks23 decks
12%synergy
Life Insurance
8.7%inclusion2 decks23 decks
7%synergy
Eternal Thirst
8.7%inclusion2 decks23 decks
8%synergy
Kaya's Ghostform
8.7%inclusion2 decks23 decks
7%synergy
Agent of the Shadow Thieves
8.7%inclusion2 decks23 decks
8%synergy
Curse of Opulence
8.7%inclusion2 decks23 decks
3%synergy
Trouble in Pairs
8.7%inclusion2 decks23 decks
4%synergy
Sticky Fingers
8.7%inclusion2 decks23 decks
8%synergy
Bitterblossom
8.7%inclusion2 decks23 decks
6%synergy
Spiteful Banditry
8.7%inclusion2 decks23 decks
7%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion3 decks23 decks
13%synergy
Utility Lands
Vault of the Archangel
61%inclusion14 decks23 decks
38%synergy
Rogue's Passage
61%inclusion14 decks23 decks
37%synergy
Arcane Lighthouse
57%inclusion13 decks23 decks
55%synergy
Bojuka Bog
35%inclusion8 decks23 decks
4%synergy
Detection Tower
30%inclusion7 decks23 decks
30%synergy
Axgard Armory
26%inclusion6 decks23 decks
24%synergy
Buried Ruin
22%inclusion5 decks23 decks
19%synergy
Karn's Bastion
22%inclusion5 decks23 decks
21%synergy
Reliquary Tower
17%inclusion4 decks23 decks
2%synergy
Urborg, Tomb of Yawgmoth
17%inclusion4 decks23 decks
4%synergy
Shizo, Death's Storehouse
13%inclusion3 decks23 decks
6%synergy
Command Beacon
13%inclusion3 decks23 decks
8%synergy
Urza's Saga
8.7%inclusion2 decks23 decks
4%synergy
Sunhome, Fortress of the Legion
8.7%inclusion2 decks23 decks
5%synergy
Monumental Henge
8.7%inclusion2 decks23 decks
8%synergy
Temple of the False God
8.7%inclusion2 decks23 decks
3%synergy
Mana Artifacts
Arcane Signet
96%inclusion22 decks23 decks
10%synergy
Sol Ring
96%inclusion22 decks23 decks
7%synergy
Patriar's Seal
70%inclusion16 decks23 decks
68%synergy
Bounty Board
52%inclusion12 decks23 decks
50%synergy
Rakdos Signet
48%inclusion11 decks23 decks
20%synergy
Boros Signet
43%inclusion10 decks23 decks
17%synergy
Orzhov Signet
43%inclusion10 decks23 decks
13%synergy
Fellwar Stone
30%inclusion7 decks23 decks
2%synergy
Bandit's Haul
26%inclusion6 decks23 decks
25%synergy
Talisman of Indulgence
22%inclusion5 decks23 decks
-15%synergy
Talisman of Conviction
22%inclusion5 decks23 decks
-20%synergy
Talisman of Hierarchy
22%inclusion5 decks23 decks
-19%synergy
Aetheric Amplifier
14%inclusion3 decks22 decks
13%synergy
Commander's Sphere
13%inclusion3 decks23 decks
-1%synergy
Mox Amber
8.7%inclusion2 decks23 decks
5%synergy
Lands
Command Tower
100%inclusion23 decks23 decks
8%synergy
Swamp
96%inclusion22 decks23 decks
0%synergy
Mountain
96%inclusion22 decks23 decks
2%synergy
Plains
96%inclusion22 decks23 decks
0%synergy
Godless Shrine
70%inclusion16 decks23 decks
22%synergy
Nomad Outpost
65%inclusion15 decks23 decks
7%synergy
Sacred Foundry
61%inclusion14 decks23 decks
16%synergy
Savai Triome
57%inclusion13 decks23 decks
19%synergy
Blood Crypt
57%inclusion13 decks23 decks
12%synergy
Exotic Orchard
52%inclusion12 decks23 decks
-1%synergy
Clifftop Retreat
52%inclusion12 decks23 decks
0%synergy
Dragonskull Summit
48%inclusion11 decks23 decks
-5%synergy
Isolated Chapel
48%inclusion11 decks23 decks
-6%synergy
Arid Mesa
43%inclusion10 decks23 decks
12%synergy
Marsh Flats
43%inclusion10 decks23 decks
12%synergy
Caves of Koilos
39%inclusion9 decks23 decks
-0%synergy
Luxury Suite
39%inclusion9 decks23 decks
8%synergy
Spectator Seating
39%inclusion9 decks23 decks
8%synergy
Forbidden Orchard
39%inclusion9 decks23 decks
37%synergy
Vault of Champions
39%inclusion9 decks23 decks
7%synergy
Smoldering Marsh
35%inclusion8 decks23 decks
-2%synergy
Bloodstained Mire
35%inclusion8 decks23 decks
2%synergy
Terramorphic Expanse
30%inclusion7 decks23 decks
12%synergy
Battlefield Forge
30%inclusion7 decks23 decks
-11%synergy
Shattered Landscape
30%inclusion7 decks23 decks
12%synergy
Path of Ancestry
30%inclusion7 decks23 decks
-8%synergy
Shattered Sanctum
30%inclusion7 decks23 decks
5%synergy
Temple of Silence
26%inclusion6 decks23 decks
4%synergy
Temple of Triumph
22%inclusion5 decks23 decks
1%synergy
Evolving Wilds
22%inclusion5 decks23 decks
-4%synergy
Sulfurous Springs
22%inclusion5 decks23 decks
-7%synergy
Shadowblood Ridge
17%inclusion4 decks23 decks
2%synergy
Fetid Heath
17%inclusion4 decks23 decks
-4%synergy
Sundown Pass
17%inclusion4 decks23 decks
-4%synergy
Rugged Prairie
17%inclusion4 decks23 decks
-0%synergy
Plateau
17%inclusion4 decks23 decks
5%synergy
Scrubland
17%inclusion4 decks23 decks
5%synergy
Haunted Ridge
17%inclusion4 decks23 decks
-2%synergy
Blightstep Pathway
17%inclusion4 decks23 decks
10%synergy
Rakdos Carnarium
13%inclusion3 decks23 decks
2%synergy
Badlands
13%inclusion3 decks23 decks
1%synergy
Shadowy Backstreet
13%inclusion3 decks23 decks
3%synergy
Concealed Courtyard
13%inclusion3 decks23 decks
7%synergy
Tainted Field
13%inclusion3 decks23 decks
2%synergy
Temple of Malice
13%inclusion3 decks23 decks
-3%synergy
Boros Garrison
13%inclusion3 decks23 decks
1%synergy
Orzhov Basilica
13%inclusion3 decks23 decks
-0%synergy
Vibrant Cityscape
9.1%inclusion1 decks11 decks
8%synergy
Witch Enchanter
8.7%inclusion2 decks23 decks
2%synergy
Brightclimb Pathway
8.7%inclusion2 decks23 decks
0%synergy
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