Kelsien, the Plague (Commander) - Expensive Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #426
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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Lands
Back to Top
Smothering Tithe
50%inclusion1 decks2 decks
25%synergy
Farewell
50%inclusion1 decks2 decks
39%synergy
Demonic Tutor
50%inclusion1 decks2 decks
31%synergy
Enlightened Tutor
50%inclusion1 decks2 decks
38%synergy
Orcish Bowmasters
50%inclusion1 decks2 decks
45%synergy
Creatures
Humble Defector
100%inclusion2 decks2 decks
98%synergy
Shay Cormac
100%inclusion2 decks2 decks
97%synergy
Otharri, Suns' Glory
100%inclusion2 decks2 decks
94%synergy
Goblin Sharpshooter
100%inclusion2 decks2 decks
99%synergy
Witch Enchanter
50%inclusion1 decks2 decks
44%synergy
Drumbellower
50%inclusion1 decks2 decks
48%synergy
Archivist of Oghma
50%inclusion1 decks2 decks
47%synergy
Ertha Jo, Frontier Mentor
50%inclusion1 decks2 decks
49%synergy
Kellan, the Fae-Blooded
50%inclusion1 decks2 decks
49%synergy
Maha, Its Feathers Night
50%inclusion1 decks2 decks
49%synergy
Taii Wakeen, Perfect Shot
50%inclusion1 decks2 decks
49%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
Prodigal Pyromancer
50%inclusion1 decks2 decks
50%synergy
Blood Artist
50%inclusion1 decks2 decks
32%synergy
Jeska, Warrior Adept
50%inclusion1 decks2 decks
50%synergy
Stoneforge Mystic
50%inclusion1 decks2 decks
47%synergy
Mayhem Devil
50%inclusion1 decks2 decks
42%synergy
Keeper of the Accord
50%inclusion1 decks2 decks
45%synergy
Imperial Recruiter
50%inclusion1 decks2 decks
45%synergy
Emberwilde Captain
50%inclusion1 decks2 decks
47%synergy
White Plume Adventurer
50%inclusion1 decks2 decks
49%synergy
Ob Nixilis, Captive Kingpin
50%inclusion1 decks2 decks
50%synergy
Ophiomancer
50%inclusion1 decks2 decks
45%synergy
Termination Facilitator
50%inclusion1 decks2 decks
48%synergy
Mari, the Killing Quill
50%inclusion1 decks2 decks
43%synergy
Mother of Runes
50%inclusion1 decks2 decks
43%synergy
Cuombajj Witches
50%inclusion1 decks2 decks
50%synergy
Marionette Apprentice
50%inclusion1 decks2 decks
44%synergy
Zulaport Cutthroat
50%inclusion1 decks2 decks
40%synergy
Hissing Iguanar
50%inclusion1 decks2 decks
50%synergy
Knight of the White Orchid
50%inclusion1 decks2 decks
46%synergy
Magda, the Hoardmaster
50%inclusion1 decks2 decks
48%synergy
Daxos the Returned
50%inclusion1 decks2 decks
49%synergy
Torbran, Thane of Red Fell
50%inclusion1 decks2 decks
50%synergy
General's Enforcer
50%inclusion1 decks2 decks
42%synergy
Siege-Gang Lieutenant
50%inclusion1 decks2 decks
50%synergy
Kiki-Jiki, Mirror Breaker
50%inclusion1 decks2 decks
48%synergy
Pitiless Plunderer
50%inclusion1 decks2 decks
32%synergy
Thorn of the Black Rose
50%inclusion1 decks2 decks
49%synergy
Cunning Sparkmage
50%inclusion1 decks2 decks
50%synergy
Deathgreeter
50%inclusion1 decks2 decks
50%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
Vein Ripper
50%inclusion1 decks2 decks
46%synergy
Minthara, Merciless Soul
50%inclusion1 decks2 decks
48%synergy
Obsessive Astronomer
50%inclusion1 decks2 decks
50%synergy
Instants
You Are Already Dead
100%inclusion2 decks2 decks
98%synergy
Fire Covenant
50%inclusion1 decks2 decks
49%synergy
Deadly Rollick
50%inclusion1 decks2 decks
39%synergy
Loran's Escape
50%inclusion1 decks2 decks
49%synergy
Rakdos Charm
50%inclusion1 decks2 decks
41%synergy
Tainted Strike
50%inclusion1 decks2 decks
50%synergy
Deflecting Swat
50%inclusion1 decks2 decks
34%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
Mirrodin Avenged
50%inclusion1 decks2 decks
49%synergy
Crackling Doom
50%inclusion1 decks2 decks
33%synergy
Fracture
50%inclusion1 decks2 decks
44%synergy
Sorceries
Wheel of Misfortune
50%inclusion1 decks2 decks
49%synergy
Open the Armory
50%inclusion1 decks2 decks
46%synergy
Forth Eorlingas!
50%inclusion1 decks2 decks
48%synergy
Heat Shimmer
50%inclusion1 decks2 decks
50%synergy
Twinflame
50%inclusion1 decks2 decks
48%synergy
Wheel of Fortune
50%inclusion1 decks2 decks
46%synergy
Dark Deal
50%inclusion1 decks2 decks
50%synergy
Grim Tutor
50%inclusion1 decks2 decks
46%synergy
Minions' Murmurs
50%inclusion1 decks2 decks
50%synergy
Utility Artifacts
Glaring Spotlight
100%inclusion2 decks2 decks
100%synergy
Basilisk Collar
100%inclusion2 decks2 decks
96%synergy
Quietus Spike
50%inclusion1 decks2 decks
49%synergy
Gorgon's Head
50%inclusion1 decks2 decks
49%synergy
Illusionist's Bracers
50%inclusion1 decks2 decks
48%synergy
Whip of Erebos
50%inclusion1 decks2 decks
47%synergy
Vorpal Sword
50%inclusion1 decks2 decks
48%synergy
Shadowspear
50%inclusion1 decks2 decks
46%synergy
Magewright's Stone
50%inclusion1 decks2 decks
49%synergy
Agatha's Soul Cauldron
50%inclusion1 decks2 decks
49%synergy
Smoke Bomb
50%inclusion1 decks2 decks
49%synergy
Thornbite Staff
50%inclusion1 decks2 decks
49%synergy
Crown of Gondor
50%inclusion1 decks2 decks
50%synergy
Enchantments
Dreadhorde Invasion
50%inclusion1 decks2 decks
50%synergy
Splinter Twin
50%inclusion1 decks2 decks
50%synergy
Elemental Mastery
50%inclusion1 decks2 decks
50%synergy
Forging the Tyrite Sword
50%inclusion1 decks2 decks
49%synergy
Forge Anew
50%inclusion1 decks2 decks
48%synergy
Sigarda's Aid
50%inclusion1 decks2 decks
47%synergy
Feast of the Victorious Dead
50%inclusion1 decks2 decks
49%synergy
Lightning Prowess
50%inclusion1 decks2 decks
50%synergy
Fighter Class
50%inclusion1 decks2 decks
47%synergy
Rune of Mortality
50%inclusion1 decks2 decks
49%synergy
Black Market Connections
50%inclusion1 decks2 decks
34%synergy
Power of Fire
50%inclusion1 decks2 decks
50%synergy
Marchesa's Decree
50%inclusion1 decks2 decks
48%synergy
Bitterblossom
50%inclusion1 decks2 decks
47%synergy
Spiteful Banditry
50%inclusion1 decks2 decks
48%synergy
Utility Lands
Arcane Lighthouse
50%inclusion1 decks2 decks
49%synergy
Urza's Saga
50%inclusion1 decks2 decks
46%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
37%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
14%synergy
Talisman of Indulgence
100%inclusion2 decks2 decks
63%synergy
Rakdos Signet
100%inclusion2 decks2 decks
70%synergy
Sol Ring
100%inclusion2 decks2 decks
11%synergy
Talisman of Hierarchy
100%inclusion2 decks2 decks
59%synergy
Orzhov Signet
100%inclusion2 decks2 decks
68%synergy
Boros Signet
50%inclusion1 decks2 decks
22%synergy
Talisman of Conviction
50%inclusion1 decks2 decks
9%synergy
Mox Amber
50%inclusion1 decks2 decks
46%synergy
Fellwar Stone
50%inclusion1 decks2 decks
22%synergy
The Celestus
50%inclusion1 decks2 decks
50%synergy
Bounty Board
50%inclusion1 decks2 decks
48%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
8%synergy
Badlands
100%inclusion2 decks2 decks
88%synergy
Blood Crypt
100%inclusion2 decks2 decks
56%synergy
Sacred Foundry
100%inclusion2 decks2 decks
55%synergy
Swamp
100%inclusion2 decks2 decks
5%synergy
Godless Shrine
100%inclusion2 decks2 decks
53%synergy
Luxury Suite
100%inclusion2 decks2 decks
69%synergy
Mountain
100%inclusion2 decks2 decks
6%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
69%synergy
Bloodstained Mire
100%inclusion2 decks2 decks
67%synergy
Witch Enchanter
50%inclusion1 decks2 decks
44%synergy
Brightclimb Pathway
50%inclusion1 decks2 decks
41%synergy
Caves of Koilos
50%inclusion1 decks2 decks
11%synergy
Unclaimed Territory
50%inclusion1 decks2 decks
42%synergy
Dragonskull Summit
50%inclusion1 decks2 decks
-2%synergy
Isolated Chapel
50%inclusion1 decks2 decks
-3%synergy
Shattered Landscape
50%inclusion1 decks2 decks
31%synergy
Cavern of Souls
50%inclusion1 decks2 decks
40%synergy
Plaza of Heroes
50%inclusion1 decks2 decks
46%synergy
Needleverge Pathway
50%inclusion1 decks2 decks
42%synergy
Spectator Seating
50%inclusion1 decks2 decks
19%synergy
Forbidden Orchard
50%inclusion1 decks2 decks
47%synergy
Clifftop Retreat
50%inclusion1 decks2 decks
-1%synergy
Blightstep Pathway
50%inclusion1 decks2 decks
42%synergy
Vault of Champions
50%inclusion1 decks2 decks
17%synergy
City of Brass
50%inclusion1 decks2 decks
40%synergy
Sulfurous Springs
50%inclusion1 decks2 decks
22%synergy
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