Kelsien, the Plague (Commander) - Core Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #456
2decks
As CommanderAs CardAverage DeckDecksView Precon
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Ciel Collins
Jun 19, 2026
Ciel Collins
Which Commander Themes Still Don't Have a Precon?
There will be close to 200 precons by the time the year's done, but there's still so much ground to cover, as Ciel identifies the themes in need.
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Drumbellower
100%inclusion2 decks2 decks
98%synergy
Taii Wakeen, Perfect Shot
100%inclusion2 decks2 decks
99%synergy
Mathas, Fiend Seeker
100%inclusion2 decks2 decks
98%synergy
Marvin, Murderous Mimic
100%inclusion2 decks2 decks
99%synergy
Falthis, Shadowcat Familiar
100%inclusion2 decks2 decks
99%synergy
Otharri, Suns' Glory
100%inclusion2 decks2 decks
95%synergy
Lae'zel, Vlaakith's Champion
100%inclusion2 decks2 decks
98%synergy
Goblin Sharpshooter
100%inclusion2 decks2 decks
99%synergy
Minthara, Merciless Soul
100%inclusion2 decks2 decks
99%synergy
Azula, Ruthless Firebender
100%inclusion2 decks2 decks
100%synergy
Metastatic Evangel
50%inclusion1 decks2 decks
50%synergy
Ertha Jo, Frontier Mentor
50%inclusion1 decks2 decks
49%synergy
Maha, Its Feathers Night
50%inclusion1 decks2 decks
49%synergy
Humble Defector
50%inclusion1 decks2 decks
48%synergy
Shadrix Silverquill
50%inclusion1 decks2 decks
48%synergy
Ankle Shanker
50%inclusion1 decks2 decks
47%synergy
Morbid Opportunist
50%inclusion1 decks2 decks
31%synergy
Stoneforge Mystic
50%inclusion1 decks2 decks
47%synergy
Olivia, Opulent Outlaw
50%inclusion1 decks2 decks
46%synergy
Termination Facilitator
50%inclusion1 decks2 decks
48%synergy
Mari, the Killing Quill
50%inclusion1 decks2 decks
44%synergy
Wall of Omens
50%inclusion1 decks2 decks
50%synergy
Unstoppable Slasher
50%inclusion1 decks2 decks
48%synergy
Windborn Muse
50%inclusion1 decks2 decks
47%synergy
Magda, the Hoardmaster
50%inclusion1 decks2 decks
48%synergy
Daxos the Returned
50%inclusion1 decks2 decks
49%synergy
Shay Cormac
50%inclusion1 decks2 decks
47%synergy
Clackbridge Troll
50%inclusion1 decks2 decks
50%synergy
Spirited Companion
50%inclusion1 decks2 decks
49%synergy
Slaughter Specialist
50%inclusion1 decks2 decks
49%synergy
Loran of the Third Path
50%inclusion1 decks2 decks
43%synergy
Kardur, Doomscourge
50%inclusion1 decks2 decks
44%synergy
Mangara, the Diplomat
50%inclusion1 decks2 decks
45%synergy
Massacre Girl, Known Killer
50%inclusion1 decks2 decks
48%synergy
Queen Marchesa
50%inclusion1 decks2 decks
44%synergy
Olivia Voldaren
50%inclusion1 decks2 decks
46%synergy
Cloud, Midgar Mercenary
50%inclusion1 decks2 decks
49%synergy
Tataru Taru
50%inclusion1 decks2 decks
47%synergy
Village Pillagers
50%inclusion1 decks2 decks
50%synergy
Instants
You Are Already Dead
100%inclusion2 decks2 decks
98%synergy
Crib Swap
50%inclusion1 decks2 decks
50%synergy
Return the Favor
50%inclusion1 decks2 decks
48%synergy
Parting Gust
50%inclusion1 decks2 decks
49%synergy
Flawless Maneuver
50%inclusion1 decks2 decks
35%synergy
Battle-Rage Blessing
50%inclusion1 decks2 decks
50%synergy
Abstruse Appropriation
50%inclusion1 decks2 decks
49%synergy
Terminate
50%inclusion1 decks2 decks
38%synergy
Cloudshift
50%inclusion1 decks2 decks
46%synergy
Unwanted Remake
50%inclusion1 decks2 decks
49%synergy
Stroke of Midnight
50%inclusion1 decks2 decks
38%synergy
Anguished Unmaking
50%inclusion1 decks2 decks
17%synergy
Swords to Plowshares
50%inclusion1 decks2 decks
-12%synergy
Despark
50%inclusion1 decks2 decks
37%synergy
Alesha's Legacy
50%inclusion1 decks2 decks
49%synergy
Path to Exile
50%inclusion1 decks2 decks
3%synergy
Reprieve
50%inclusion1 decks2 decks
47%synergy
Fracture
50%inclusion1 decks2 decks
44%synergy
Swift Demise
50%inclusion1 decks2 decks
50%synergy
Sorceries
Damn
100%inclusion2 decks2 decks
83%synergy
Life's Finale
50%inclusion1 decks2 decks
50%synergy
Vandalblast
50%inclusion1 decks2 decks
40%synergy
Painful Truths
50%inclusion1 decks2 decks
42%synergy
Read the Bones
50%inclusion1 decks2 decks
42%synergy
Tempt with Bunnies
50%inclusion1 decks2 decks
49%synergy
Blasphemous Act
50%inclusion1 decks2 decks
27%synergy
Night's Whisper
50%inclusion1 decks2 decks
37%synergy
Disrupt Decorum
50%inclusion1 decks2 decks
46%synergy
Ruinous Ultimatum
50%inclusion1 decks2 decks
11%synergy
Steelshaper's Gift
50%inclusion1 decks2 decks
47%synergy
Utility Artifacts
Swiftfoot Boots
100%inclusion2 decks2 decks
69%synergy
Basilisk Collar
100%inclusion2 decks2 decks
96%synergy
Quietus Spike
50%inclusion1 decks2 decks
49%synergy
Crawlspace
50%inclusion1 decks2 decks
49%synergy
Mithril Coat
50%inclusion1 decks2 decks
45%synergy
Vorpal Sword
50%inclusion1 decks2 decks
48%synergy
Shadowspear
50%inclusion1 decks2 decks
46%synergy
Sting, the Glinting Dagger
50%inclusion1 decks2 decks
48%synergy
Silver Shroud Costume
50%inclusion1 decks2 decks
49%synergy
Lightning Greaves
50%inclusion1 decks2 decks
16%synergy
Brotherhood Regalia
50%inclusion1 decks2 decks
47%synergy
Thornbite Staff
50%inclusion1 decks2 decks
49%synergy
Enchantments
At Knifepoint
100%inclusion2 decks2 decks
99%synergy
Black Market
50%inclusion1 decks2 decks
45%synergy
Reconnaissance
50%inclusion1 decks2 decks
38%synergy
Soul Snare
50%inclusion1 decks2 decks
50%synergy
Overencumbered
50%inclusion1 decks2 decks
50%synergy
Court of Embereth
50%inclusion1 decks2 decks
48%synergy
Rune of Mortality
50%inclusion1 decks2 decks
49%synergy
Dazzling Theater // Prop Room
50%inclusion1 decks2 decks
48%synergy
Chthonian Nightmare
50%inclusion1 decks2 decks
49%synergy
Share the Spoils
50%inclusion1 decks2 decks
50%synergy
Cover of Darkness
50%inclusion1 decks2 decks
47%synergy
All-Out Assault
50%inclusion1 decks2 decks
39%synergy
Ghostly Prison
50%inclusion1 decks2 decks
42%synergy
Phyrexian Arena
50%inclusion1 decks2 decks
32%synergy
Court of Grace
50%inclusion1 decks2 decks
47%synergy
Crackdown
50%inclusion1 decks2 decks
50%synergy
Bitterblossom
50%inclusion1 decks2 decks
47%synergy
Planeswalkers
Teyo, Geometric Tactician
50%inclusion1 decks2 decks
50%synergy
Utility Lands
Bojuka Bog
50%inclusion1 decks2 decks
19%synergy
Arcane Lighthouse
50%inclusion1 decks2 decks
49%synergy
Command Beacon
50%inclusion1 decks2 decks
45%synergy
Detection Tower
50%inclusion1 decks2 decks
49%synergy
Karn's Bastion
50%inclusion1 decks2 decks
49%synergy
Axgard Armory
50%inclusion1 decks2 decks
48%synergy
Vault of the Archangel
50%inclusion1 decks2 decks
27%synergy
Rogue's Passage
50%inclusion1 decks2 decks
26%synergy
Mana Artifacts
Arcane Signet
100%inclusion2 decks2 decks
14%synergy
Sol Ring
100%inclusion2 decks2 decks
12%synergy
Talisman of Indulgence
50%inclusion1 decks2 decks
13%synergy
Rakdos Signet
50%inclusion1 decks2 decks
22%synergy
Boros Signet
50%inclusion1 decks2 decks
23%synergy
Fellwar Stone
50%inclusion1 decks2 decks
22%synergy
Patriar's Seal
50%inclusion1 decks2 decks
48%synergy
Orzhov Signet
50%inclusion1 decks2 decks
20%synergy
Bounty Board
50%inclusion1 decks2 decks
48%synergy
Lands
Command Tower
100%inclusion2 decks2 decks
8%synergy
Exotic Orchard
100%inclusion2 decks2 decks
47%synergy
Swamp
100%inclusion2 decks2 decks
5%synergy
Mountain
100%inclusion2 decks2 decks
6%synergy
Plains
100%inclusion2 decks2 decks
5%synergy
Savai Triome
50%inclusion1 decks2 decks
13%synergy
Shadowblood Ridge
50%inclusion1 decks2 decks
35%synergy
Terramorphic Expanse
50%inclusion1 decks2 decks
32%synergy
Caves of Koilos
50%inclusion1 decks2 decks
11%synergy
Smoldering Marsh
50%inclusion1 decks2 decks
13%synergy
Blood Crypt
50%inclusion1 decks2 decks
5%synergy
Sacred Foundry
50%inclusion1 decks2 decks
4%synergy
Nomad Outpost
50%inclusion1 decks2 decks
-8%synergy
Foreboding Ruins
50%inclusion1 decks2 decks
39%synergy
Furycalm Snarl
50%inclusion1 decks2 decks
40%synergy
Battlefield Forge
50%inclusion1 decks2 decks
9%synergy
Temple of Triumph
50%inclusion1 decks2 decks
29%synergy
Godless Shrine
50%inclusion1 decks2 decks
2%synergy
Temple of Malice
50%inclusion1 decks2 decks
35%synergy
Isolated Chapel
50%inclusion1 decks2 decks
-4%synergy
Shattered Landscape
50%inclusion1 decks2 decks
32%synergy
Rugged Prairie
50%inclusion1 decks2 decks
32%synergy
Evolving Wilds
50%inclusion1 decks2 decks
25%synergy
Arid Mesa
50%inclusion1 decks2 decks
19%synergy
Shineshadow Snarl
50%inclusion1 decks2 decks
40%synergy
Forbidden Orchard
50%inclusion1 decks2 decks
48%synergy
Clifftop Retreat
50%inclusion1 decks2 decks
-2%synergy
Marsh Flats
50%inclusion1 decks2 decks
19%synergy
Temple of Silence
50%inclusion1 decks2 decks
29%synergy
Bloodstained Mire
50%inclusion1 decks2 decks
17%synergy
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