Kelsien, the Plague (Commander) - Expensive Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #386
2decks
As CommanderAs CardAverage DeckDecksView Precon
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All12345
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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Smothering Tithe
100%inclusion2 decks2 decks
74%synergy
Demonic Tutor
100%inclusion2 decks2 decks
81%synergy
Enlightened Tutor
100%inclusion2 decks2 decks
88%synergy
Ad Nauseam
50%inclusion1 decks2 decks
48%synergy
Vampiric Tutor
50%inclusion1 decks2 decks
35%synergy
Creatures
Witch Enchanter
100%inclusion1 decks1 decks
94%synergy
Ertha Jo, Frontier Mentor
100%inclusion1 decks1 decks
99%synergy
Taii Wakeen, Perfect Shot
100%inclusion1 decks1 decks
99%synergy
Mari, the Killing Quill
100%inclusion2 decks2 decks
93%synergy
Mother of Runes
100%inclusion2 decks2 decks
92%synergy
Daxos the Returned
100%inclusion2 decks2 decks
99%synergy
General's Enforcer
100%inclusion2 decks2 decks
91%synergy
Shay Cormac
100%inclusion1 decks1 decks
97%synergy
Otharri, Suns' Glory
100%inclusion2 decks2 decks
94%synergy
Goblin Sharpshooter
100%inclusion2 decks2 decks
99%synergy
Minthara, Merciless Soul
100%inclusion2 decks2 decks
98%synergy
Drumbellower
50%inclusion1 decks2 decks
48%synergy
Kellan, the Fae-Blooded
50%inclusion1 decks2 decks
49%synergy
Humble Defector
50%inclusion1 decks2 decks
48%synergy
Ravenloft Adventurer
50%inclusion1 decks2 decks
49%synergy
Mathas, Fiend Seeker
50%inclusion1 decks2 decks
48%synergy
Gavony Dawnguard
50%inclusion1 decks2 decks
50%synergy
Alms Collector
50%inclusion1 decks2 decks
50%synergy
Stoneforge Mystic
50%inclusion1 decks2 decks
47%synergy
Emberwilde Captain
50%inclusion1 decks2 decks
47%synergy
White Plume Adventurer
50%inclusion1 decks2 decks
49%synergy
Termination Facilitator
50%inclusion1 decks2 decks
48%synergy
Felidar Sovereign
50%inclusion1 decks2 decks
50%synergy
Esper Sentinel
50%inclusion1 decks2 decks
31%synergy
Heliod, Sun-Crowned
50%inclusion1 decks2 decks
49%synergy
Dockside Extortionist
50%inclusion1 decks2 decks
47%synergy
Falthis, Shadowcat Familiar
50%inclusion1 decks2 decks
49%synergy
Thorn of the Black Rose
50%inclusion1 decks2 decks
49%synergy
Athreos, God of Passage
50%inclusion1 decks2 decks
49%synergy
Lae'zel, Vlaakith's Champion
50%inclusion1 decks2 decks
48%synergy
Queen Marchesa
50%inclusion1 decks2 decks
44%synergy
Village Bell-Ringer
50%inclusion1 decks2 decks
50%synergy
Hellkite Tyrant
50%inclusion1 decks2 decks
44%synergy
Vizkopa Guildmage
50%inclusion1 decks2 decks
49%synergy
Obsessive Astronomer
50%inclusion1 decks2 decks
50%synergy
Instants
Deflecting Swat
100%inclusion2 decks2 decks
85%synergy
Fracture
100%inclusion2 decks2 decks
93%synergy
Fire Covenant
50%inclusion1 decks2 decks
48%synergy
Deadly Rollick
50%inclusion1 decks2 decks
40%synergy
Loran's Escape
50%inclusion1 decks2 decks
49%synergy
Lapse of Certainty
50%inclusion1 decks2 decks
49%synergy
Rakdos Charm
50%inclusion1 decks2 decks
41%synergy
Angel's Grace
50%inclusion1 decks2 decks
48%synergy
Sanguine Sacrament
50%inclusion1 decks2 decks
50%synergy
Mana Tithe
50%inclusion1 decks2 decks
49%synergy
Dawn Charm
50%inclusion1 decks2 decks
49%synergy
You Are Already Dead
50%inclusion1 decks2 decks
48%synergy
Swords to Plowshares
50%inclusion1 decks2 decks
-12%synergy
Offer Immortality
50%inclusion1 decks2 decks
49%synergy
Touch of Moonglove
50%inclusion1 decks2 decks
50%synergy
Path to Exile
50%inclusion1 decks2 decks
3%synergy
Sudden Spoiling
50%inclusion1 decks2 decks
49%synergy
Heliod's Intervention
50%inclusion1 decks2 decks
48%synergy
Mirrodin Avenged
50%inclusion1 decks2 decks
49%synergy
Rebuff the Wicked
50%inclusion1 decks2 decks
49%synergy
Akroma's Will
50%inclusion1 decks2 decks
37%synergy
Sorceries
Grim Tutor
100%inclusion2 decks2 decks
96%synergy
Open the Armory
50%inclusion1 decks2 decks
45%synergy
Vandalblast
50%inclusion1 decks2 decks
39%synergy
Forth Eorlingas!
50%inclusion1 decks2 decks
48%synergy
Mythos of Snapdax
50%inclusion1 decks2 decks
44%synergy
Debt to the Deathless
50%inclusion1 decks2 decks
49%synergy
Killing Wave
50%inclusion1 decks2 decks
50%synergy
Exsanguinate
50%inclusion1 decks2 decks
46%synergy
Ruinous Ultimatum
50%inclusion1 decks2 decks
11%synergy
Approach of the Second Sun
50%inclusion1 decks2 decks
50%synergy
Utility Artifacts
Shadowspear
100%inclusion2 decks2 decks
95%synergy
Smoke Bomb
100%inclusion1 decks1 decks
99%synergy
Thornbite Staff
100%inclusion2 decks2 decks
98%synergy
Basilisk Collar
100%inclusion2 decks2 decks
95%synergy
Sensei's Divining Top
50%inclusion1 decks2 decks
47%synergy
Illusionist's Bracers
50%inclusion1 decks2 decks
48%synergy
Glaring Spotlight
50%inclusion1 decks2 decks
50%synergy
Mithril Coat
50%inclusion1 decks2 decks
44%synergy
Thousand-Year Elixir
50%inclusion1 decks2 decks
49%synergy
Vorpal Sword
50%inclusion1 decks2 decks
48%synergy
Scroll Rack
50%inclusion1 decks2 decks
50%synergy
Magewright's Stone
50%inclusion1 decks2 decks
49%synergy
Hunter's Blowgun
50%inclusion1 decks2 decks
49%synergy
Darksteel Reactor
50%inclusion1 decks2 decks
50%synergy
Swiftfoot Boots
50%inclusion1 decks2 decks
19%synergy
Lightning Greaves
50%inclusion1 decks2 decks
16%synergy
Crown of Gondor
50%inclusion1 decks2 decks
50%synergy
Enchantments
Forge Anew
100%inclusion2 decks2 decks
97%synergy
Rune of Mortality
100%inclusion2 decks2 decks
98%synergy
Splinter Twin
50%inclusion1 decks2 decks
50%synergy
Forging the Tyrite Sword
50%inclusion1 decks2 decks
49%synergy
Sigarda's Aid
50%inclusion1 decks2 decks
47%synergy
Sanguine Bond
50%inclusion1 decks2 decks
43%synergy
Feast of the Victorious Dead
50%inclusion1 decks2 decks
49%synergy
Fighter Class
50%inclusion1 decks2 decks
47%synergy
Exquisite Blood
50%inclusion1 decks2 decks
42%synergy
Celestial Convergence
50%inclusion1 decks2 decks
50%synergy
Ashes of the Abhorrent
50%inclusion1 decks2 decks
50%synergy
Revel in Riches
50%inclusion1 decks2 decks
43%synergy
Land Tax
50%inclusion1 decks2 decks
44%synergy
Bloodchief Ascension
50%inclusion1 decks2 decks
49%synergy
Marchesa's Decree
50%inclusion1 decks2 decks
48%synergy
Spiteful Banditry
50%inclusion1 decks2 decks
48%synergy
Test of Endurance
50%inclusion1 decks2 decks
50%synergy
Utility Lands
Arcane Lighthouse
50%inclusion1 decks2 decks
49%synergy
Urza's Saga
50%inclusion1 decks2 decks
45%synergy
Throne of the High City
50%inclusion1 decks2 decks
49%synergy
Karn's Bastion
50%inclusion1 decks2 decks
49%synergy
Urborg, Tomb of Yawgmoth
50%inclusion1 decks2 decks
36%synergy
Rogue's Passage
50%inclusion1 decks2 decks
27%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
14%synergy
Sol Ring
100%inclusion2 decks2 decks
11%synergy
Fellwar Stone
100%inclusion2 decks2 decks
72%synergy
Bounty Board
100%inclusion1 decks1 decks
98%synergy
Talisman of Indulgence
50%inclusion1 decks2 decks
14%synergy
Rakdos Signet
50%inclusion1 decks2 decks
18%synergy
Chromatic Lantern
50%inclusion1 decks2 decks
38%synergy
Mox Amber
50%inclusion1 decks2 decks
46%synergy
Decanter of Endless Water
50%inclusion1 decks2 decks
49%synergy
Patriar's Seal
50%inclusion1 decks2 decks
48%synergy
Talisman of Hierarchy
50%inclusion1 decks2 decks
9%synergy
The Celestus
50%inclusion1 decks2 decks
50%synergy
Orzhov Signet
50%inclusion1 decks2 decks
16%synergy
Lands
Witch Enchanter
100%inclusion1 decks1 decks
94%synergy
Command Tower
100%inclusion2 decks2 decks
8%synergy
Badlands
100%inclusion2 decks2 decks
88%synergy
Blood Crypt
100%inclusion2 decks2 decks
57%synergy
Sacred Foundry
100%inclusion2 decks2 decks
56%synergy
Swamp
100%inclusion2 decks2 decks
5%synergy
Godless Shrine
100%inclusion2 decks2 decks
53%synergy
Shattered Landscape
100%inclusion1 decks1 decks
81%synergy
Plains
100%inclusion2 decks2 decks
5%synergy
Arid Mesa
100%inclusion2 decks2 decks
69%synergy
Plateau
100%inclusion2 decks2 decks
88%synergy
Scrubland
100%inclusion2 decks2 decks
88%synergy
Marsh Flats
100%inclusion2 decks2 decks
68%synergy
Bloodstained Mire
100%inclusion2 decks2 decks
68%synergy
Savai Triome
50%inclusion1 decks2 decks
11%synergy
Brightclimb Pathway
50%inclusion1 decks2 decks
41%synergy
Caves of Koilos
50%inclusion1 decks2 decks
11%synergy
Smoldering Marsh
50%inclusion1 decks2 decks
14%synergy
Nomad Outpost
50%inclusion1 decks2 decks
-8%synergy
Unclaimed Territory
50%inclusion1 decks2 decks
41%synergy
Sundown Pass
50%inclusion1 decks2 decks
29%synergy
Dragonskull Summit
50%inclusion1 decks2 decks
-1%synergy
Verdant Catacombs
50%inclusion1 decks2 decks
43%synergy
Isolated Chapel
50%inclusion1 decks2 decks
-1%synergy
Luxury Suite
50%inclusion1 decks2 decks
18%synergy
Cavern of Souls
50%inclusion1 decks2 decks
40%synergy
Plaza of Heroes
50%inclusion1 decks2 decks
46%synergy
Mountain
50%inclusion1 decks2 decks
-44%synergy
Needleverge Pathway
50%inclusion1 decks2 decks
42%synergy
Shattered Sanctum
50%inclusion1 decks2 decks
27%synergy
Forbidden Orchard
50%inclusion1 decks2 decks
47%synergy
Clifftop Retreat
50%inclusion1 decks2 decks
1%synergy
Haunted Ridge
50%inclusion1 decks2 decks
30%synergy
Blightstep Pathway
50%inclusion1 decks2 decks
41%synergy
City of Brass
50%inclusion1 decks2 decks
40%synergy
Sulfurous Springs
50%inclusion1 decks2 decks
23%synergy
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