Kelsien, the Plague (Commander) - Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #461
26decks
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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Gleaming Splendor
25%inclusion1 decks4 decks
16%synergy
High Synergy Cards
Basilisk Collar
88%inclusion23 decks26 decks
84%synergy
Rune of Mortality
81%inclusion21 decks26 decks
79%synergy
Minthara, Merciless Soul
81%inclusion21 decks26 decks
79%synergy
Shay Cormac
81%inclusion21 decks26 decks
78%synergy
Otharri, Suns' Glory
77%inclusion20 decks26 decks
72%synergy
Sting, the Glinting Dagger
73%inclusion19 decks26 decks
71%synergy
Drumbellower
73%inclusion19 decks26 decks
71%synergy
Vorpal Sword
73%inclusion19 decks26 decks
71%synergy
Falthis, Shadowcat Familiar
69%inclusion18 decks26 decks
68%synergy
You Are Already Dead
69%inclusion18 decks26 decks
68%synergy
Top Cards
Mari, the Killing Quill
73%inclusion19 decks26 decks
67%synergy
Morbid Opportunist
73%inclusion19 decks26 decks
54%synergy
Swiftfoot Boots
69%inclusion18 decks26 decks
38%synergy
Mathas, Fiend Seeker
65%inclusion17 decks26 decks
63%synergy
Termination Facilitator
65%inclusion17 decks26 decks
64%synergy
Thornbite Staff
65%inclusion17 decks26 decks
64%synergy
Lae'zel, Vlaakith's Champion
62%inclusion16 decks26 decks
60%synergy
General's Enforcer
62%inclusion16 decks26 decks
54%synergy
Magda, the Hoardmaster
62%inclusion16 decks26 decks
60%synergy
Humble Defector
62%inclusion16 decks26 decks
59%synergy
Game Changers
Demonic Tutor
23%inclusion6 decks26 decks
5%synergy
Enlightened Tutor
19%inclusion5 decks26 decks
8%synergy
Smothering Tithe
15%inclusion4 decks26 decks
-8%synergy
Farewell
15%inclusion4 decks26 decks
6%synergy
Teferi's Protection
12%inclusion3 decks26 decks
-7%synergy
Orcish Bowmasters
7.7%inclusion2 decks26 decks
2%synergy
Vampiric Tutor
7.7%inclusion2 decks26 decks
-6%synergy
Creatures
Taii Wakeen, Perfect Shot
58%inclusion15 decks26 decks
57%synergy
Goblin Sharpshooter
58%inclusion15 decks26 decks
57%synergy
Ertha Jo, Frontier Mentor
50%inclusion13 decks26 decks
49%synergy
Maha, Its Feathers Night
50%inclusion13 decks26 decks
49%synergy
Harvester of Souls
42%inclusion11 decks26 decks
39%synergy
Marvin, Murderous Mimic
38%inclusion10 decks26 decks
37%synergy
White Plume Adventurer
38%inclusion10 decks26 decks
37%synergy
Mother of Runes
38%inclusion10 decks26 decks
31%synergy
Daxos the Returned
35%inclusion9 decks26 decks
34%synergy
Athreos, Shroud-Veiled
31%inclusion8 decks26 decks
29%synergy
Slaughter Specialist
31%inclusion8 decks26 decks
30%synergy
Massacre Girl, Known Killer
31%inclusion8 decks26 decks
29%synergy
Puresteel Paladin
27%inclusion7 decks26 decks
23%synergy
Kalemne, Disciple of Iroas
27%inclusion7 decks26 decks
26%synergy
Blood Cultist
23%inclusion6 decks26 decks
23%synergy
Sun Titan
23%inclusion6 decks26 decks
12%synergy
Robaran Mercenaries
19%inclusion5 decks26 decks
19%synergy
Ankle Shanker
19%inclusion5 decks26 decks
16%synergy
Queen Marchesa
19%inclusion5 decks26 decks
14%synergy
Archetype of Finality
19%inclusion5 decks26 decks
18%synergy
Void Beckoner
15%inclusion4 decks26 decks
15%synergy
Zagras, Thief of Heartbeats
15%inclusion4 decks26 decks
14%synergy
Tor Wauki the Younger
15%inclusion4 decks26 decks
15%synergy
Akiri, Fearless Voyager
15%inclusion4 decks26 decks
13%synergy
Qarsi Revenant
15%inclusion3 decks20 decks
12%synergy
Azula, Ruthless Firebender
14%inclusion2 decks14 decks
14%synergy
Emeritus of Truce
13%inclusion1 decks8 decks
12%synergy
Professional Face-Breaker
12%inclusion3 decks26 decks
-5%synergy
Archivist of Oghma
12%inclusion3 decks26 decks
9%synergy
Metastatic Evangel
12%inclusion3 decks26 decks
11%synergy
Deathbringer Thoctar
12%inclusion3 decks26 decks
11%synergy
Blood Artist
12%inclusion3 decks26 decks
-6%synergy
Stoneforge Mystic
12%inclusion3 decks26 decks
9%synergy
Assault Intercessor
12%inclusion3 decks26 decks
11%synergy
Esper Sentinel
12%inclusion3 decks26 decks
-7%synergy
Sram, Senior Edificer
12%inclusion3 decks26 decks
9%synergy
Torbran, Thane of Red Fell
12%inclusion3 decks26 decks
11%synergy
Clackbridge Troll
12%inclusion3 decks26 decks
11%synergy
Royal Assassin
12%inclusion3 decks26 decks
8%synergy
Cunning Sparkmage
12%inclusion3 decks26 decks
11%synergy
Bureau Headmaster
12%inclusion3 decks26 decks
11%synergy
Gisa, Glorious Resurrector
12%inclusion3 decks26 decks
11%synergy
Stensian Sanguinist
11%inclusion1 decks9 decks
9%synergy
Cloud, Midgar Mercenary
10%inclusion2 decks20 decks
9%synergy
Casey Jones, Back Alley Brute
9.1%inclusion1 decks11 decks
9%synergy
Witch Enchanter
7.7%inclusion2 decks26 decks
0%synergy
Bounty Agent
7.7%inclusion2 decks26 decks
7%synergy
Syr Konrad, the Grim
7.7%inclusion2 decks26 decks
4%synergy
Varchild, Betrayer of Kjeldor
7.7%inclusion2 decks26 decks
7%synergy
Rakdos Ickspitter
7.7%inclusion2 decks26 decks
8%synergy
Instants
Stroke of Midnight
46%inclusion12 decks26 decks
35%synergy
Mirrodin Avenged
46%inclusion12 decks26 decks
45%synergy
Fracture
46%inclusion12 decks26 decks
40%synergy
Boros Charm
42%inclusion11 decks26 decks
13%synergy
Crackling Doom
42%inclusion11 decks26 decks
25%synergy
Swords to Plowshares
35%inclusion9 decks26 decks
-27%synergy
Path to Exile
27%inclusion7 decks26 decks
-20%synergy
Generous Gift
27%inclusion7 decks26 decks
10%synergy
Wear // Tear
19%inclusion5 decks26 decks
8%synergy
Despark
19%inclusion5 decks26 decks
6%synergy
Offer Immortality
19%inclusion5 decks26 decks
18%synergy
Mortify
19%inclusion5 decks26 decks
4%synergy
Dawn's Truce
15%inclusion4 decks26 decks
8%synergy
Terminate
15%inclusion4 decks26 decks
3%synergy
Virulent Swipe
15%inclusion4 decks26 decks
15%synergy
Anguished Unmaking
15%inclusion4 decks26 decks
-18%synergy
Deflecting Swat
15%inclusion4 decks26 decks
-1%synergy
Bladebrand
15%inclusion4 decks26 decks
15%synergy
Deadly Rollick
12%inclusion3 decks26 decks
-0%synergy
Dire Tactics
12%inclusion3 decks26 decks
9%synergy
Flawless Maneuver
12%inclusion3 decks26 decks
-3%synergy
Rakdos Charm
12%inclusion3 decks26 decks
2%synergy
Tainted Strike
12%inclusion3 decks26 decks
11%synergy
Touch of Moonglove
12%inclusion3 decks26 decks
11%synergy
Swift Demise
9.1%inclusion1 decks11 decks
9%synergy
Toxin Analysis
7.7%inclusion2 decks26 decks
8%synergy
Untimely Malfunction
7.7%inclusion2 decks26 decks
3%synergy
Lightning Bolt
7.7%inclusion2 decks26 decks
4%synergy
Siege Smash
7.7%inclusion2 decks26 decks
7%synergy
Battle-Rage Blessing
7.7%inclusion2 decks26 decks
7%synergy
Dark Ritual
7.7%inclusion2 decks26 decks
-10%synergy
Malakir Rebirth
7.7%inclusion2 decks26 decks
2%synergy
Abrade
7.7%inclusion2 decks26 decks
2%synergy
Blight Rot
7.7%inclusion1 decks13 decks
8%synergy
Alesha's Legacy
5.0%inclusion1 decks20 decks
4%synergy
Sorceries
Open the Armory
46%inclusion12 decks26 decks
42%synergy
Ruinous Ultimatum
42%inclusion11 decks26 decks
3%synergy
Mythos of Snapdax
38%inclusion10 decks26 decks
33%synergy
Painful Truths
38%inclusion10 decks26 decks
31%synergy
Steelshaper's Gift
38%inclusion10 decks26 decks
35%synergy
Vandalblast
31%inclusion8 decks26 decks
21%synergy
Read the Bones
23%inclusion6 decks26 decks
15%synergy
Night's Whisper
23%inclusion6 decks26 decks
10%synergy
Tempt with Bunnies
19%inclusion5 decks26 decks
19%synergy
Call of the Death-Dweller
19%inclusion5 decks26 decks
19%synergy
Damn
15%inclusion4 decks26 decks
-2%synergy
Sign in Blood
12%inclusion3 decks26 decks
4%synergy
Rip Apart
12%inclusion3 decks26 decks
11%synergy
Austere Command
7.7%inclusion2 decks26 decks
1%synergy
Merciless Eviction
7.7%inclusion2 decks26 decks
5%synergy
Faithless Looting
7.7%inclusion2 decks26 decks
-8%synergy
Blasphemous Act
7.7%inclusion2 decks26 decks
-16%synergy
Chandra's Ignition
7.7%inclusion2 decks26 decks
6%synergy
Utility Artifacts
Gorgon's Head
58%inclusion15 decks26 decks
57%synergy
Magewright's Stone
58%inclusion15 decks26 decks
57%synergy
Quietus Spike
50%inclusion13 decks26 decks
49%synergy
Illusionist's Bracers
50%inclusion13 decks26 decks
49%synergy
Shadowspear
50%inclusion13 decks26 decks
46%synergy
Gorgon Flail
46%inclusion12 decks26 decks
45%synergy
Hunter's Blowgun
38%inclusion10 decks26 decks
38%synergy
Glaring Spotlight
31%inclusion8 decks26 decks
30%synergy
Whispersilk Cloak
27%inclusion7 decks26 decks
22%synergy
Mithril Coat
23%inclusion6 decks26 decks
18%synergy
Lightning Greaves
23%inclusion6 decks26 decks
-11%synergy
The Masamune
21%inclusion4 decks19 decks
21%synergy
Thousand-Year Elixir
19%inclusion5 decks26 decks
18%synergy
Battlemage's Bracers
19%inclusion5 decks26 decks
19%synergy
Brotherhood Regalia
19%inclusion5 decks26 decks
16%synergy
Robe of Stars
15%inclusion4 decks26 decks
15%synergy
Haystack
15%inclusion4 decks26 decks
14%synergy
Sword of the Animist
12%inclusion3 decks26 decks
3%synergy
Hammer of Nazahn
12%inclusion3 decks26 decks
10%synergy
Wayfarer's Bauble
7.7%inclusion2 decks26 decks
-1%synergy
Halo Fountain
7.7%inclusion2 decks26 decks
7%synergy
The Reaver Cleaver
7.7%inclusion2 decks26 decks
2%synergy
Hidden Blade
7.7%inclusion2 decks26 decks
7%synergy
Skullclamp
7.7%inclusion2 decks26 decks
-22%synergy
Sword of Truth and Justice
7.7%inclusion2 decks26 decks
7%synergy
Scythe of the Wretched
7.7%inclusion2 decks26 decks
8%synergy
Sword of Wealth and Power
7.7%inclusion2 decks26 decks
7%synergy
Champion's Helm
7.7%inclusion2 decks26 decks
6%synergy
Genji Glove
5.3%inclusion1 decks19 decks
3%synergy
Dragonfire Blade
5.0%inclusion1 decks20 decks
4%synergy
Aettir and Priwen
5.0%inclusion1 decks20 decks
4%synergy
Enchantments
Gift of Doom
38%inclusion10 decks26 decks
38%synergy
All-Out Assault
35%inclusion7 decks20 decks
23%synergy
Fighter Class
35%inclusion9 decks26 decks
32%synergy
Dazzling Theater // Prop Room
31%inclusion8 decks26 decks
29%synergy
Phyrexian Arena
31%inclusion8 decks26 decks
13%synergy
Black Market
23%inclusion6 decks26 decks
18%synergy
Reconnaissance
23%inclusion6 decks26 decks
11%synergy
Sigarda's Aid
23%inclusion6 decks26 decks
20%synergy
Revel in Riches
23%inclusion6 decks26 decks
17%synergy
Black Market Connections
23%inclusion6 decks26 decks
7%synergy
At Knifepoint
19%inclusion5 decks26 decks
18%synergy
Super-Soldier Serum
17%inclusion1 decks6 decks
16%synergy
Death to Our Enemies
17%inclusion1 decks6 decks
17%synergy
Forge Anew
15%inclusion4 decks26 decks
13%synergy
Grave Betrayal
15%inclusion4 decks26 decks
15%synergy
Aspect of Gorgon
12%inclusion3 decks26 decks
11%synergy
Feast of the Victorious Dead
12%inclusion3 decks26 decks
11%synergy
Bitterblossom
12%inclusion3 decks26 decks
9%synergy
Spiteful Banditry
12%inclusion3 decks26 decks
10%synergy
Changing Loyalty
11%inclusion1 decks9 decks
11%synergy
Gift of Immortality
7.7%inclusion2 decks26 decks
7%synergy
Forging the Tyrite Sword
7.7%inclusion2 decks26 decks
7%synergy
Life Insurance
7.7%inclusion2 decks26 decks
6%synergy
Eternal Thirst
7.7%inclusion2 decks26 decks
7%synergy
Kaya's Ghostform
7.7%inclusion2 decks26 decks
6%synergy
Agent of the Shadow Thieves
7.7%inclusion2 decks26 decks
7%synergy
Curse of Opulence
7.7%inclusion2 decks26 decks
1%synergy
Trouble in Pairs
7.7%inclusion2 decks26 decks
3%synergy
Sticky Fingers
7.7%inclusion2 decks26 decks
7%synergy
Planeswalkers
Vraska, Betrayal's Sting
12%inclusion3 decks26 decks
11%synergy
Utility Lands
Rogue's Passage
62%inclusion16 decks26 decks
38%synergy
Vault of the Archangel
58%inclusion15 decks26 decks
35%synergy
Arcane Lighthouse
54%inclusion14 decks26 decks
53%synergy
Bojuka Bog
31%inclusion8 decks26 decks
-0%synergy
Detection Tower
27%inclusion7 decks26 decks
26%synergy
Axgard Armory
23%inclusion6 decks26 decks
21%synergy
Buried Ruin
19%inclusion5 decks26 decks
16%synergy
Karn's Bastion
19%inclusion5 decks26 decks
18%synergy
Urborg, Tomb of Yawgmoth
19%inclusion5 decks26 decks
6%synergy
Reliquary Tower
15%inclusion4 decks26 decks
0%synergy
Shizo, Death's Storehouse
12%inclusion3 decks26 decks
5%synergy
Command Beacon
12%inclusion3 decks26 decks
6%synergy
Sunhome, Fortress of the Legion
12%inclusion3 decks26 decks
8%synergy
Temple of the False God
12%inclusion3 decks26 decks
6%synergy
Urza's Saga
7.7%inclusion2 decks26 decks
3%synergy
Castle Locthwain
7.7%inclusion2 decks26 decks
5%synergy
Monumental Henge
7.7%inclusion2 decks26 decks
7%synergy
Mana Artifacts
Sol Ring
96%inclusion25 decks26 decks
8%synergy
Arcane Signet
92%inclusion24 decks26 decks
7%synergy
Patriar's Seal
69%inclusion18 decks26 decks
67%synergy
Bounty Board
46%inclusion12 decks26 decks
44%synergy
Rakdos Signet
42%inclusion11 decks26 decks
15%synergy
Boros Signet
38%inclusion10 decks26 decks
12%synergy
Orzhov Signet
38%inclusion10 decks26 decks
9%synergy
Fellwar Stone
27%inclusion7 decks26 decks
-1%synergy
Bandit's Haul
23%inclusion6 decks26 decks
22%synergy
Talisman of Indulgence
19%inclusion5 decks26 decks
-18%synergy
Talisman of Conviction
19%inclusion5 decks26 decks
-23%synergy
Talisman of Hierarchy
19%inclusion5 decks26 decks
-22%synergy
Aetheric Amplifier
16%inclusion4 decks25 decks
16%synergy
Commander's Sphere
12%inclusion3 decks26 decks
-2%synergy
Mox Amber
7.7%inclusion2 decks26 decks
4%synergy
Lands
Command Tower
100%inclusion26 decks26 decks
8%synergy
Swamp
96%inclusion25 decks26 decks
1%synergy
Mountain
96%inclusion25 decks26 decks
2%synergy
Plains
96%inclusion25 decks26 decks
1%synergy
Nomad Outpost
69%inclusion18 decks26 decks
12%synergy
Godless Shrine
69%inclusion18 decks26 decks
21%synergy
Sacred Foundry
62%inclusion16 decks26 decks
16%synergy
Savai Triome
58%inclusion15 decks26 decks
20%synergy
Blood Crypt
58%inclusion15 decks26 decks
12%synergy
Exotic Orchard
54%inclusion14 decks26 decks
1%synergy
Clifftop Retreat
50%inclusion13 decks26 decks
-2%synergy
Arid Mesa
46%inclusion12 decks26 decks
15%synergy
Marsh Flats
46%inclusion12 decks26 decks
15%synergy
Dragonskull Summit
42%inclusion11 decks26 decks
-11%synergy
Isolated Chapel
42%inclusion11 decks26 decks
-12%synergy
Luxury Suite
42%inclusion11 decks26 decks
11%synergy
Spectator Seating
42%inclusion11 decks26 decks
11%synergy
Forbidden Orchard
42%inclusion11 decks26 decks
40%synergy
Path of Ancestry
38%inclusion10 decks26 decks
1%synergy
Vault of Champions
38%inclusion10 decks26 decks
6%synergy
Bloodstained Mire
38%inclusion10 decks26 decks
5%synergy
Caves of Koilos
35%inclusion9 decks26 decks
-5%synergy
Shattered Sanctum
35%inclusion9 decks26 decks
8%synergy
Smoldering Marsh
31%inclusion8 decks26 decks
-6%synergy
Battlefield Forge
31%inclusion8 decks26 decks
-11%synergy
Terramorphic Expanse
27%inclusion7 decks26 decks
9%synergy
Shattered Landscape
27%inclusion7 decks26 decks
9%synergy
Temple of Silence
27%inclusion7 decks26 decks
6%synergy
Fetid Heath
23%inclusion6 decks26 decks
1%synergy
Sundown Pass
23%inclusion6 decks26 decks
1%synergy
Rugged Prairie
23%inclusion6 decks26 decks
5%synergy
Sulfurous Springs
23%inclusion6 decks26 decks
-6%synergy
Temple of Triumph
19%inclusion5 decks26 decks
-1%synergy
Evolving Wilds
19%inclusion5 decks26 decks
-6%synergy
Plateau
19%inclusion5 decks26 decks
7%synergy
Scrubland
19%inclusion5 decks26 decks
7%synergy
Haunted Ridge
19%inclusion5 decks26 decks
-1%synergy
Blightstep Pathway
19%inclusion5 decks26 decks
12%synergy
Rakdos Carnarium
15%inclusion4 decks26 decks
5%synergy
Badlands
15%inclusion4 decks26 decks
3%synergy
Shadowblood Ridge
15%inclusion4 decks26 decks
0%synergy
Shadowy Backstreet
15%inclusion4 decks26 decks
5%synergy
Temple of Malice
15%inclusion4 decks26 decks
0%synergy
Boros Garrison
15%inclusion4 decks26 decks
4%synergy
Orzhov Basilica
15%inclusion4 decks26 decks
3%synergy
Concealed Courtyard
12%inclusion3 decks26 decks
6%synergy
Tainted Field
12%inclusion3 decks26 decks
0%synergy
Radiant Summit
11%inclusion2 decks18 decks
7%synergy
Turbulent Steppe
11%inclusion1 decks9 decks
7%synergy
Sunbillow Verge
8.0%inclusion2 decks25 decks
-1%synergy
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