Kelsien, the Plague (Commander) - Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #399
23decks
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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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Basilisk Collar
91%inclusion21 decks23 decks
87%synergy
Shay Cormac
89%inclusion17 decks19 decks
86%synergy
Rune of Mortality
83%inclusion19 decks23 decks
81%synergy
Minthara, Merciless Soul
83%inclusion19 decks23 decks
81%synergy
Falthis, Shadowcat Familiar
74%inclusion17 decks23 decks
73%synergy
Mari, the Killing Quill
78%inclusion18 decks23 decks
71%synergy
Otharri, Suns' Glory
74%inclusion17 decks23 decks
68%synergy
Drumbellower
70%inclusion16 decks23 decks
68%synergy
Vorpal Sword
70%inclusion16 decks23 decks
67%synergy
Taii Wakeen, Perfect Shot
65%inclusion13 decks20 decks
64%synergy
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Morbid Opportunist
74%inclusion17 decks23 decks
57%synergy
Gorgon's Head
65%inclusion15 decks23 decks
64%synergy
Thornbite Staff
61%inclusion14 decks23 decks
59%synergy
Humble Defector
61%inclusion14 decks23 decks
58%synergy
Termination Facilitator
61%inclusion14 decks23 decks
59%synergy
General's Enforcer
61%inclusion14 decks23 decks
52%synergy
Sting, the Glinting Dagger
61%inclusion14 decks23 decks
59%synergy
Swiftfoot Boots
61%inclusion14 decks23 decks
29%synergy
You Are Already Dead
57%inclusion13 decks23 decks
55%synergy
Magda, the Hoardmaster
55%inclusion12 decks22 decks
52%synergy
Game Changers
Demonic Tutor
30%inclusion7 decks23 decks
11%synergy
Smothering Tithe
17%inclusion4 decks23 decks
-9%synergy
Enlightened Tutor
17%inclusion4 decks23 decks
5%synergy
Vampiric Tutor
13%inclusion3 decks23 decks
-2%synergy
Teferi's Protection
13%inclusion3 decks23 decks
-7%synergy
Orcish Bowmasters
8.7%inclusion2 decks23 decks
3%synergy
Creatures
Mathas, Fiend Seeker
52%inclusion12 decks23 decks
50%synergy
Maha, Its Feathers Night
50%inclusion9 decks18 decks
49%synergy
Harvester of Souls
48%inclusion11 decks23 decks
45%synergy
Lae'zel, Vlaakith's Champion
48%inclusion11 decks23 decks
46%synergy
Ertha Jo, Frontier Mentor
45%inclusion9 decks20 decks
44%synergy
White Plume Adventurer
43%inclusion10 decks23 decks
42%synergy
Daxos the Returned
43%inclusion10 decks23 decks
43%synergy
Mother of Runes
39%inclusion9 decks23 decks
31%synergy
Marvin, Murderous Mimic
35%inclusion6 decks17 decks
34%synergy
Goblin Sharpshooter
35%inclusion8 decks23 decks
34%synergy
Sun Titan
35%inclusion8 decks23 decks
24%synergy
Void Beckoner
30%inclusion7 decks23 decks
30%synergy
Massacre Girl, Known Killer
30%inclusion7 decks23 decks
28%synergy
Blood Cultist
30%inclusion7 decks23 decks
30%synergy
Athreos, Shroud-Veiled
30%inclusion7 decks23 decks
29%synergy
Qarsi Revenant
30%inclusion3 decks10 decks
27%synergy
Slaughter Specialist
26%inclusion6 decks23 decks
25%synergy
Kalemne, Disciple of Iroas
26%inclusion6 decks23 decks
25%synergy
Robaran Mercenaries
22%inclusion5 decks23 decks
21%synergy
Akiri, Fearless Voyager
22%inclusion5 decks23 decks
19%synergy
Zagras, Thief of Heartbeats
22%inclusion5 decks23 decks
21%synergy
Cunning Sparkmage
22%inclusion5 decks23 decks
21%synergy
Bureau Headmaster
21%inclusion4 decks19 decks
20%synergy
Esper Sentinel
17%inclusion4 decks23 decks
-1%synergy
Queen Marchesa
17%inclusion4 decks23 decks
11%synergy
Archetype of Finality
17%inclusion4 decks23 decks
16%synergy
Blood Artist
17%inclusion4 decks23 decks
-1%synergy
Puresteel Paladin
17%inclusion4 decks23 decks
13%synergy
Zulaport Cutthroat
13%inclusion3 decks23 decks
3%synergy
Torbran, Thane of Red Fell
13%inclusion3 decks23 decks
13%synergy
Royal Assassin
13%inclusion3 decks23 decks
10%synergy
Tor Wauki the Younger
13%inclusion3 decks23 decks
13%synergy
Ankle Shanker
13%inclusion3 decks23 decks
10%synergy
Witch Enchanter
11%inclusion2 decks19 decks
4%synergy
Zenos yae Galvus
10%inclusion1 decks10 decks
10%synergy
Locke, Treasure Hunter
10%inclusion1 decks10 decks
3%synergy
Vincent Valentine
10%inclusion1 decks10 decks
9%synergy
Professional Face-Breaker
8.7%inclusion2 decks23 decks
-6%synergy
Archivist of Oghma
8.7%inclusion2 decks23 decks
6%synergy
Deathbringer Thoctar
8.7%inclusion2 decks23 decks
8%synergy
Species Specialist
8.7%inclusion2 decks23 decks
6%synergy
Teysa Karlov
8.7%inclusion2 decks23 decks
1%synergy
Massacre Wurm
8.7%inclusion2 decks23 decks
8%synergy
Norn's Choirmaster
8.7%inclusion2 decks23 decks
8%synergy
Bounty Agent
8.7%inclusion2 decks23 decks
8%synergy
Stoneforge Mystic
8.7%inclusion2 decks23 decks
6%synergy
Assault Intercessor
8.7%inclusion2 decks23 decks
8%synergy
Knight of the White Orchid
8.7%inclusion2 decks23 decks
4%synergy
Stonehewer Giant
8.7%inclusion2 decks23 decks
8%synergy
Gisa, Glorious Resurrector
8.7%inclusion2 decks23 decks
8%synergy
Instants
Boros Charm
48%inclusion11 decks23 decks
18%synergy
Mirrodin Avenged
43%inclusion10 decks23 decks
43%synergy
Crackling Doom
43%inclusion10 decks23 decks
26%synergy
Fracture
43%inclusion10 decks23 decks
37%synergy
Swords to Plowshares
39%inclusion9 decks23 decks
-23%synergy
Stroke of Midnight
35%inclusion8 decks23 decks
23%synergy
Generous Gift
30%inclusion7 decks23 decks
11%synergy
Wear // Tear
26%inclusion6 decks23 decks
14%synergy
Dawn's Truce
22%inclusion4 decks18 decks
15%synergy
Deflecting Swat
22%inclusion5 decks23 decks
6%synergy
Bladebrand
17%inclusion4 decks23 decks
17%synergy
Despark
17%inclusion4 decks23 decks
3%synergy
Path to Exile
17%inclusion4 decks23 decks
-29%synergy
Offer Immortality
17%inclusion4 decks23 decks
16%synergy
Mortify
17%inclusion4 decks23 decks
2%synergy
Chaos Warp
13%inclusion3 decks23 decks
-3%synergy
Dire Tactics
13%inclusion3 decks23 decks
10%synergy
Battle-Rage Blessing
13%inclusion3 decks23 decks
13%synergy
Rakdos Charm
13%inclusion3 decks23 decks
4%synergy
Terminate
13%inclusion3 decks23 decks
0%synergy
Virulent Swipe
13%inclusion3 decks23 decks
13%synergy
Anguished Unmaking
13%inclusion3 decks23 decks
-21%synergy
Deadly Rollick
13%inclusion3 decks23 decks
2%synergy
Toxin Analysis
13%inclusion3 decks23 decks
13%synergy
Flawless Maneuver
13%inclusion3 decks23 decks
-1%synergy
Malakir Rebirth
13%inclusion3 decks23 decks
8%synergy
Touch of Moonglove
13%inclusion3 decks23 decks
13%synergy
Untimely Malfunction
12%inclusion2 decks17 decks
7%synergy
Siege Smash
11%inclusion2 decks19 decks
10%synergy
Lightning Bolt
8.7%inclusion2 decks23 decks
5%synergy
Abrade
8.7%inclusion2 decks23 decks
3%synergy
Valakut Awakening
8.7%inclusion2 decks23 decks
6%synergy
Tainted Strike
8.7%inclusion2 decks23 decks
8%synergy
Unbreakable Formation
8.7%inclusion2 decks23 decks
3%synergy
Deflecting Palm
8.7%inclusion2 decks23 decks
2%synergy
Sudden Spoiling
8.7%inclusion2 decks23 decks
8%synergy
Rebuff the Wicked
8.7%inclusion2 decks23 decks
7%synergy
Sazacap's Brew
5.6%inclusion1 decks18 decks
5%synergy
Fell the Profane
5.3%inclusion1 decks19 decks
-1%synergy
Great Train Heist
5.0%inclusion1 decks20 decks
0%synergy
Rustler Rampage
5.0%inclusion1 decks20 decks
5%synergy
Sorceries
Open the Armory
52%inclusion12 decks23 decks
48%synergy
Mythos of Snapdax
48%inclusion11 decks23 decks
42%synergy
Painful Truths
39%inclusion9 decks23 decks
30%synergy
Ruinous Ultimatum
39%inclusion9 decks23 decks
0%synergy
Vandalblast
35%inclusion8 decks23 decks
24%synergy
Fated Clash
33%inclusion1 decks3 decks
33%synergy
Read the Bones
26%inclusion6 decks23 decks
16%synergy
Tempt with Bunnies
22%inclusion4 decks18 decks
22%synergy
Call of the Death-Dweller
22%inclusion5 decks23 decks
21%synergy
Steelshaper's Gift
22%inclusion5 decks23 decks
18%synergy
Farewell
17%inclusion4 decks23 decks
6%synergy
Night's Whisper
17%inclusion4 decks23 decks
4%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
1%synergy
Sevinne's Reclamation
8.7%inclusion2 decks23 decks
1%synergy
Damn
8.7%inclusion2 decks23 decks
-10%synergy
Grim Tutor
8.7%inclusion2 decks23 decks
5%synergy
Chandra's Ignition
8.7%inclusion2 decks23 decks
7%synergy
Faithless Looting
8.7%inclusion2 decks23 decks
-7%synergy
Blasphemous Act
8.7%inclusion2 decks23 decks
-14%synergy
Unfinished Business
8.7%inclusion2 decks23 decks
8%synergy
Sundering Eruption
5.3%inclusion1 decks19 decks
2%synergy
Requisition Raid
5.0%inclusion1 decks20 decks
2%synergy
Utility Artifacts
Illusionist's Bracers
48%inclusion11 decks23 decks
46%synergy
Magewright's Stone
48%inclusion11 decks23 decks
47%synergy
Hunter's Blowgun
48%inclusion11 decks23 decks
47%synergy
Quietus Spike
43%inclusion10 decks23 decks
42%synergy
Gorgon Flail
43%inclusion10 decks23 decks
43%synergy
Shadowspear
35%inclusion8 decks23 decks
30%synergy
The Masamune
33%inclusion3 decks9 decks
33%synergy
Glaring Spotlight
30%inclusion7 decks23 decks
30%synergy
Lightning Greaves
26%inclusion6 decks23 decks
-8%synergy
Thousand-Year Elixir
22%inclusion5 decks23 decks
21%synergy
Sword of the Animist
22%inclusion5 decks23 decks
12%synergy
Mithril Coat
22%inclusion5 decks23 decks
16%synergy
Whispersilk Cloak
22%inclusion5 decks23 decks
16%synergy
Battlemage's Bracers
22%inclusion5 decks23 decks
21%synergy
Robe of Stars
17%inclusion4 decks23 decks
16%synergy
Brotherhood Regalia
16%inclusion3 decks19 decks
12%synergy
Haystack
14%inclusion3 decks22 decks
12%synergy
Dragonfire Blade
10%inclusion1 decks10 decks
9%synergy
Hidden Blade
9.1%inclusion2 decks22 decks
8%synergy
Halo Fountain
8.7%inclusion2 decks23 decks
8%synergy
Diamond Pick-Axe
8.7%inclusion2 decks23 decks
5%synergy
Hammer of Nazahn
8.7%inclusion2 decks23 decks
7%synergy
Wayfarer's Bauble
8.7%inclusion2 decks23 decks
0%synergy
The Reaver Cleaver
8.7%inclusion2 decks23 decks
2%synergy
Smoke Bomb
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
Gift of Doom
43%inclusion10 decks23 decks
42%synergy
Phyrexian Arena
39%inclusion9 decks23 decks
20%synergy
Dazzling Theater // Prop Room
35%inclusion6 decks17 decks
33%synergy
Fighter Class
35%inclusion8 decks23 decks
32%synergy
All-Out Assault
30%inclusion3 decks10 decks
18%synergy
Black Market
26%inclusion6 decks23 decks
21%synergy
Sigarda's Aid
22%inclusion5 decks23 decks
19%synergy
Black Market Connections
22%inclusion5 decks23 decks
6%synergy
Revel in Riches
22%inclusion5 decks23 decks
15%synergy
At Knifepoint
20%inclusion4 decks20 decks
18%synergy
Forge Anew
17%inclusion4 decks23 decks
15%synergy
Aspect of Gorgon
17%inclusion4 decks23 decks
17%synergy
Feast of the Victorious Dead
13%inclusion3 decks23 decks
12%synergy
Eternal Thirst
13%inclusion3 decks23 decks
13%synergy
Reconnaissance
13%inclusion3 decks23 decks
2%synergy
Grave Betrayal
13%inclusion3 decks23 decks
13%synergy
Kaya's Ghostform
13%inclusion3 decks23 decks
11%synergy
Spiteful Banditry
13%inclusion3 decks23 decks
11%synergy
Life Insurance
8.7%inclusion2 decks23 decks
6%synergy
Retreat to Hagra
8.7%inclusion2 decks23 decks
8%synergy
Phyresis
8.7%inclusion2 decks23 decks
8%synergy
Bastion of Remembrance
8.7%inclusion2 decks23 decks
-5%synergy
Land Tax
8.7%inclusion2 decks23 decks
2%synergy
Sticky Fingers
8.7%inclusion2 decks23 decks
8%synergy
Curse of Opulence
8.7%inclusion2 decks23 decks
3%synergy
Meathook Massacre II
5.9%inclusion1 decks17 decks
5%synergy
Nowhere to Run
5.3%inclusion1 decks19 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
17%inclusion4 decks23 decks
17%synergy
Utility Lands
Vault of the Archangel
61%inclusion14 decks23 decks
38%synergy
Rogue's Passage
57%inclusion13 decks23 decks
33%synergy
Arcane Lighthouse
43%inclusion10 decks23 decks
42%synergy
Bojuka Bog
30%inclusion7 decks23 decks
-1%synergy
Detection Tower
22%inclusion5 decks23 decks
21%synergy
Axgard Armory
22%inclusion5 decks23 decks
20%synergy
Reliquary Tower
22%inclusion5 decks23 decks
6%synergy
Buried Ruin
22%inclusion5 decks23 decks
18%synergy
Karn's Bastion
17%inclusion4 decks23 decks
17%synergy
Sunhome, Fortress of the Legion
17%inclusion4 decks23 decks
14%synergy
Urborg, Tomb of Yawgmoth
13%inclusion3 decks23 decks
-1%synergy
Monumental Henge
11%inclusion2 decks19 decks
9%synergy
Shizo, Death's Storehouse
8.7%inclusion2 decks23 decks
1%synergy
Urza's Saga
8.7%inclusion2 decks23 decks
4%synergy
Command Beacon
8.7%inclusion2 decks23 decks
3%synergy
Temple of the False God
8.7%inclusion2 decks23 decks
2%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
67%synergy
Bounty Board
50%inclusion10 decks20 decks
48%synergy
Orzhov Signet
48%inclusion11 decks23 decks
15%synergy
Rakdos Signet
48%inclusion11 decks23 decks
16%synergy
Boros Signet
43%inclusion10 decks23 decks
14%synergy
Talisman of Conviction
30%inclusion7 decks23 decks
-10%synergy
Talisman of Hierarchy
30%inclusion7 decks23 decks
-10%synergy
Fellwar Stone
26%inclusion6 decks23 decks
-2%synergy
Talisman of Indulgence
26%inclusion6 decks23 decks
-10%synergy
Commander's Sphere
22%inclusion5 decks23 decks
7%synergy
Aetheric Amplifier
20%inclusion3 decks15 decks
20%synergy
Bandit's Haul
20%inclusion4 decks20 decks
19%synergy
Chromatic Lantern
8.7%inclusion2 decks23 decks
-3%synergy
Hourglass of the Lost
5.3%inclusion1 decks19 decks
5%synergy
Lands
Command Tower
100%inclusion23 decks23 decks
8%synergy
Swamp
91%inclusion21 decks23 decks
-4%synergy
Plains
91%inclusion21 decks23 decks
-4%synergy
Mountain
87%inclusion20 decks23 decks
-7%synergy
Dragonskull Summit
61%inclusion14 decks23 decks
10%synergy
Clifftop Retreat
61%inclusion14 decks23 decks
11%synergy
Sacred Foundry
57%inclusion13 decks23 decks
12%synergy
Isolated Chapel
57%inclusion13 decks23 decks
5%synergy
Nomad Outpost
57%inclusion13 decks23 decks
-2%synergy
Godless Shrine
57%inclusion13 decks23 decks
10%synergy
Blood Crypt
52%inclusion12 decks23 decks
9%synergy
Exotic Orchard
48%inclusion11 decks23 decks
-4%synergy
Vault of Champions
48%inclusion11 decks23 decks
14%synergy
Savai Triome
48%inclusion11 decks23 decks
9%synergy
Caves of Koilos
43%inclusion10 decks23 decks
4%synergy
Arid Mesa
43%inclusion10 decks23 decks
12%synergy
Marsh Flats
43%inclusion10 decks23 decks
12%synergy
Spectator Seating
43%inclusion10 decks23 decks
11%synergy
Luxury Suite
39%inclusion9 decks23 decks
7%synergy
Forbidden Orchard
39%inclusion9 decks23 decks
36%synergy
Battlefield Forge
35%inclusion8 decks23 decks
-5%synergy
Shattered Landscape
32%inclusion6 decks19 decks
12%synergy
Terramorphic Expanse
30%inclusion7 decks23 decks
11%synergy
Smoldering Marsh
30%inclusion7 decks23 decks
-5%synergy
Path of Ancestry
30%inclusion7 decks23 decks
-7%synergy
Sulfurous Springs
30%inclusion7 decks23 decks
4%synergy
Evolving Wilds
30%inclusion7 decks23 decks
4%synergy
Bloodstained Mire
30%inclusion7 decks23 decks
-2%synergy
Shattered Sanctum
26%inclusion6 decks23 decks
3%synergy
Scrubland
22%inclusion5 decks23 decks
10%synergy
Shadowblood Ridge
22%inclusion5 decks23 decks
7%synergy
Sundown Pass
22%inclusion5 decks23 decks
1%synergy
Plateau
22%inclusion5 decks23 decks
10%synergy
Haunted Ridge
22%inclusion5 decks23 decks
2%synergy
Blightstep Pathway
22%inclusion5 decks23 decks
13%synergy
Temple of Silence
22%inclusion5 decks23 decks
-1%synergy
Badlands
17%inclusion4 decks23 decks
5%synergy
Shadowy Backstreet
17%inclusion4 decks23 decks
7%synergy
Fetid Heath
17%inclusion4 decks23 decks
-2%synergy
Brightclimb Pathway
13%inclusion3 decks23 decks
4%synergy
Tainted Field
13%inclusion3 decks23 decks
1%synergy
Temple of Triumph
13%inclusion3 decks23 decks
-9%synergy
Rugged Prairie
13%inclusion3 decks23 decks
-3%synergy
Needleverge Pathway
13%inclusion3 decks23 decks
5%synergy
Orzhov Basilica
13%inclusion3 decks23 decks
-2%synergy
Rakdos Carnarium
13%inclusion3 decks23 decks
0%synergy
Boros Garrison
13%inclusion3 decks23 decks
-1%synergy
Malakir Rebirth
13%inclusion3 decks23 decks
8%synergy
Radiant Summit
13%inclusion1 decks8 decks
9%synergy
Witch Enchanter
11%inclusion2 decks19 decks
4%synergy
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