Kelsien, the Plague (Commander) - Activated Abilities

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #456
25decks
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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The Queen of Dale
50%inclusion1 decks2 decks
45%synergy
Gleaming Splendor
50%inclusion1 decks2 decks
43%synergy
Super-Soldier Serum
20%inclusion1 decks5 decks
20%synergy
Death to Our Enemies
20%inclusion1 decks5 decks
20%synergy
High Synergy Cards
Basilisk Collar
92%inclusion23 decks25 decks
88%synergy
Rune of Mortality
84%inclusion21 decks25 decks
83%synergy
Shay Cormac
84%inclusion21 decks25 decks
81%synergy
Minthara, Merciless Soul
76%inclusion19 decks25 decks
75%synergy
Sting, the Glinting Dagger
76%inclusion19 decks25 decks
74%synergy
Vorpal Sword
76%inclusion19 decks25 decks
74%synergy
Falthis, Shadowcat Familiar
72%inclusion18 decks25 decks
71%synergy
Otharri, Suns' Glory
76%inclusion19 decks25 decks
71%synergy
Drumbellower
72%inclusion18 decks25 decks
70%synergy
Mari, the Killing Quill
76%inclusion19 decks25 decks
70%synergy
Top Cards
Morbid Opportunist
76%inclusion19 decks25 decks
57%synergy
Swiftfoot Boots
72%inclusion18 decks25 decks
41%synergy
You Are Already Dead
68%inclusion17 decks25 decks
66%synergy
Thornbite Staff
68%inclusion17 decks25 decks
67%synergy
Termination Facilitator
64%inclusion16 decks25 decks
62%synergy
General's Enforcer
64%inclusion16 decks25 decks
56%synergy
Mathas, Fiend Seeker
64%inclusion16 decks25 decks
62%synergy
Gorgon's Head
60%inclusion15 decks25 decks
59%synergy
Taii Wakeen, Perfect Shot
60%inclusion15 decks25 decks
59%synergy
Humble Defector
60%inclusion15 decks25 decks
58%synergy
Game Changers
Demonic Tutor
24%inclusion6 decks25 decks
5%synergy
Enlightened Tutor
20%inclusion5 decks25 decks
8%synergy
Smothering Tithe
16%inclusion4 decks25 decks
-8%synergy
Farewell
16%inclusion4 decks25 decks
6%synergy
Teferi's Protection
12%inclusion3 decks25 decks
-7%synergy
Vampiric Tutor
12%inclusion3 decks25 decks
-2%synergy
Orcish Bowmasters
8.0%inclusion2 decks25 decks
3%synergy
Creatures
Magda, the Hoardmaster
60%inclusion15 decks25 decks
58%synergy
Lae'zel, Vlaakith's Champion
60%inclusion15 decks25 decks
58%synergy
Goblin Sharpshooter
56%inclusion14 decks25 decks
55%synergy
Ertha Jo, Frontier Mentor
48%inclusion12 decks25 decks
47%synergy
Maha, Its Feathers Night
48%inclusion12 decks25 decks
47%synergy
Harvester of Souls
44%inclusion11 decks25 decks
41%synergy
White Plume Adventurer
40%inclusion10 decks25 decks
39%synergy
Mother of Runes
40%inclusion10 decks25 decks
33%synergy
Marvin, Murderous Mimic
36%inclusion9 decks25 decks
35%synergy
Daxos the Returned
36%inclusion9 decks25 decks
35%synergy
Athreos, Shroud-Veiled
32%inclusion8 decks25 decks
31%synergy
Slaughter Specialist
32%inclusion8 decks25 decks
31%synergy
Puresteel Paladin
28%inclusion7 decks25 decks
24%synergy
Massacre Girl, Known Killer
28%inclusion7 decks25 decks
26%synergy
Kalemne, Disciple of Iroas
28%inclusion7 decks25 decks
27%synergy
Blood Cultist
24%inclusion6 decks25 decks
24%synergy
Sun Titan
24%inclusion6 decks25 decks
13%synergy
Robaran Mercenaries
20%inclusion5 decks25 decks
20%synergy
Ankle Shanker
20%inclusion5 decks25 decks
17%synergy
Queen Marchesa
20%inclusion5 decks25 decks
14%synergy
Archetype of Finality
20%inclusion5 decks25 decks
19%synergy
Void Beckoner
16%inclusion4 decks25 decks
15%synergy
Zagras, Thief of Heartbeats
16%inclusion4 decks25 decks
15%synergy
Tor Wauki the Younger
16%inclusion4 decks25 decks
16%synergy
Akiri, Fearless Voyager
16%inclusion4 decks25 decks
14%synergy
Qarsi Revenant
16%inclusion3 decks19 decks
13%synergy
Azula, Ruthless Firebender
15%inclusion2 decks13 decks
15%synergy
Emeritus of Truce
14%inclusion1 decks7 decks
13%synergy
Stensian Sanguinist
13%inclusion1 decks8 decks
11%synergy
Professional Face-Breaker
12%inclusion3 decks25 decks
-4%synergy
Archivist of Oghma
12%inclusion3 decks25 decks
9%synergy
Deathbringer Thoctar
12%inclusion3 decks25 decks
12%synergy
Blood Artist
12%inclusion3 decks25 decks
-6%synergy
Stoneforge Mystic
12%inclusion3 decks25 decks
9%synergy
Assault Intercessor
12%inclusion3 decks25 decks
11%synergy
Esper Sentinel
12%inclusion3 decks25 decks
-6%synergy
Sram, Senior Edificer
12%inclusion3 decks25 decks
9%synergy
Torbran, Thane of Red Fell
12%inclusion3 decks25 decks
12%synergy
Clackbridge Troll
12%inclusion3 decks25 decks
12%synergy
Royal Assassin
12%inclusion3 decks25 decks
9%synergy
Cunning Sparkmage
12%inclusion3 decks25 decks
12%synergy
Bureau Headmaster
12%inclusion3 decks25 decks
11%synergy
Gisa, Glorious Resurrector
12%inclusion3 decks25 decks
11%synergy
Cloud, Midgar Mercenary
11%inclusion2 decks19 decks
9%synergy
Casey Jones, Back Alley Brute
10%inclusion1 decks10 decks
10%synergy
Village Pillagers
8.3%inclusion1 decks12 decks
8%synergy
Witch Enchanter
8.0%inclusion2 decks25 decks
1%synergy
Bounty Agent
8.0%inclusion2 decks25 decks
7%synergy
Metastatic Evangel
8.0%inclusion2 decks25 decks
8%synergy
Syr Konrad, the Grim
8.0%inclusion2 decks25 decks
5%synergy
Instants
Stroke of Midnight
44%inclusion11 decks25 decks
32%synergy
Mirrodin Avenged
44%inclusion11 decks25 decks
43%synergy
Crackling Doom
44%inclusion11 decks25 decks
27%synergy
Fracture
44%inclusion11 decks25 decks
38%synergy
Boros Charm
40%inclusion10 decks25 decks
11%synergy
Swords to Plowshares
36%inclusion9 decks25 decks
-26%synergy
Path to Exile
28%inclusion7 decks25 decks
-19%synergy
Generous Gift
28%inclusion7 decks25 decks
11%synergy
Wear // Tear
20%inclusion5 decks25 decks
9%synergy
Despark
20%inclusion5 decks25 decks
7%synergy
Offer Immortality
20%inclusion5 decks25 decks
19%synergy
Mortify
20%inclusion5 decks25 decks
5%synergy
Dawn's Truce
16%inclusion4 decks25 decks
9%synergy
Terminate
16%inclusion4 decks25 decks
4%synergy
Virulent Swipe
16%inclusion4 decks25 decks
16%synergy
Anguished Unmaking
16%inclusion4 decks25 decks
-17%synergy
Deflecting Swat
16%inclusion4 decks25 decks
-0%synergy
Bladebrand
16%inclusion4 decks25 decks
16%synergy
Dire Tactics
12%inclusion3 decks25 decks
10%synergy
Flawless Maneuver
12%inclusion3 decks25 decks
-3%synergy
Rakdos Charm
12%inclusion3 decks25 decks
3%synergy
Tainted Strike
12%inclusion3 decks25 decks
12%synergy
Touch of Moonglove
12%inclusion3 decks25 decks
12%synergy
Swift Demise
10%inclusion1 decks10 decks
10%synergy
Deadly Rollick
8.0%inclusion2 decks25 decks
-3%synergy
Toxin Analysis
8.0%inclusion2 decks25 decks
8%synergy
Untimely Malfunction
8.0%inclusion2 decks25 decks
3%synergy
Lightning Bolt
8.0%inclusion2 decks25 decks
5%synergy
Siege Smash
8.0%inclusion2 decks25 decks
8%synergy
Battle-Rage Blessing
8.0%inclusion2 decks25 decks
8%synergy
Malakir Rebirth
8.0%inclusion2 decks25 decks
2%synergy
Abrade
8.0%inclusion2 decks25 decks
2%synergy
Alesha's Legacy
5.3%inclusion1 decks19 decks
4%synergy
Sorceries
Open the Armory
48%inclusion12 decks25 decks
44%synergy
Ruinous Ultimatum
44%inclusion11 decks25 decks
5%synergy
Mythos of Snapdax
40%inclusion10 decks25 decks
35%synergy
Painful Truths
40%inclusion10 decks25 decks
32%synergy
Steelshaper's Gift
40%inclusion10 decks25 decks
37%synergy
Vandalblast
32%inclusion8 decks25 decks
22%synergy
Read the Bones
24%inclusion6 decks25 decks
16%synergy
Tempt with Bunnies
20%inclusion5 decks25 decks
19%synergy
Night's Whisper
20%inclusion5 decks25 decks
7%synergy
Call of the Death-Dweller
20%inclusion5 decks25 decks
20%synergy
Damn
16%inclusion4 decks25 decks
-1%synergy
Sign in Blood
12%inclusion3 decks25 decks
4%synergy
Rip Apart
12%inclusion3 decks25 decks
11%synergy
Austere Command
8.0%inclusion2 decks25 decks
1%synergy
Merciless Eviction
8.0%inclusion2 decks25 decks
6%synergy
Faithless Looting
8.0%inclusion2 decks25 decks
-7%synergy
Blasphemous Act
8.0%inclusion2 decks25 decks
-15%synergy
Chandra's Ignition
8.0%inclusion2 decks25 decks
6%synergy
Utility Artifacts
Magewright's Stone
56%inclusion14 decks25 decks
55%synergy
Quietus Spike
52%inclusion13 decks25 decks
51%synergy
Illusionist's Bracers
52%inclusion13 decks25 decks
51%synergy
Shadowspear
48%inclusion12 decks25 decks
44%synergy
Gorgon Flail
48%inclusion12 decks25 decks
47%synergy
Hunter's Blowgun
40%inclusion10 decks25 decks
39%synergy
Glaring Spotlight
32%inclusion8 decks25 decks
32%synergy
Whispersilk Cloak
28%inclusion7 decks25 decks
23%synergy
Lightning Greaves
24%inclusion6 decks25 decks
-10%synergy
The Masamune
22%inclusion4 decks18 decks
22%synergy
Mithril Coat
20%inclusion5 decks25 decks
15%synergy
Battlemage's Bracers
20%inclusion5 decks25 decks
19%synergy
Brotherhood Regalia
20%inclusion5 decks25 decks
17%synergy
Robe of Stars
16%inclusion4 decks25 decks
15%synergy
Thousand-Year Elixir
16%inclusion4 decks25 decks
15%synergy
Haystack
16%inclusion4 decks25 decks
15%synergy
Sword of the Animist
12%inclusion3 decks25 decks
3%synergy
Hammer of Nazahn
12%inclusion3 decks25 decks
10%synergy
Wayfarer's Bauble
8.0%inclusion2 decks25 decks
-0%synergy
Halo Fountain
8.0%inclusion2 decks25 decks
7%synergy
The Reaver Cleaver
8.0%inclusion2 decks25 decks
2%synergy
Hidden Blade
8.0%inclusion2 decks25 decks
7%synergy
Skullclamp
8.0%inclusion2 decks25 decks
-21%synergy
Sword of Truth and Justice
8.0%inclusion2 decks25 decks
7%synergy
Scythe of the Wretched
8.0%inclusion2 decks25 decks
8%synergy
Sword of Wealth and Power
8.0%inclusion2 decks25 decks
7%synergy
Champion's Helm
8.0%inclusion2 decks25 decks
7%synergy
Dragonfire Blade
5.3%inclusion1 decks19 decks
4%synergy
Aettir and Priwen
5.3%inclusion1 decks19 decks
5%synergy
Enchantments
Gift of Doom
40%inclusion10 decks25 decks
39%synergy
All-Out Assault
37%inclusion7 decks19 decks
25%synergy
Fighter Class
36%inclusion9 decks25 decks
33%synergy
Dazzling Theater // Prop Room
32%inclusion8 decks25 decks
30%synergy
Phyrexian Arena
32%inclusion8 decks25 decks
14%synergy
Black Market
24%inclusion6 decks25 decks
19%synergy
Reconnaissance
24%inclusion6 decks25 decks
12%synergy
Sigarda's Aid
24%inclusion6 decks25 decks
21%synergy
Revel in Riches
24%inclusion6 decks25 decks
18%synergy
Black Market Connections
24%inclusion6 decks25 decks
8%synergy
At Knifepoint
20%inclusion5 decks25 decks
19%synergy
Forge Anew
16%inclusion4 decks25 decks
14%synergy
Grave Betrayal
16%inclusion4 decks25 decks
16%synergy
Changing Loyalty
13%inclusion1 decks8 decks
12%synergy
Aspect of Gorgon
12%inclusion3 decks25 decks
12%synergy
Feast of the Victorious Dead
12%inclusion3 decks25 decks
11%synergy
Spiteful Banditry
12%inclusion3 decks25 decks
10%synergy
Gift of Immortality
8.0%inclusion2 decks25 decks
7%synergy
Forging the Tyrite Sword
8.0%inclusion2 decks25 decks
7%synergy
Life Insurance
8.0%inclusion2 decks25 decks
6%synergy
Eternal Thirst
8.0%inclusion2 decks25 decks
8%synergy
Kaya's Ghostform
8.0%inclusion2 decks25 decks
6%synergy
Agent of the Shadow Thieves
8.0%inclusion2 decks25 decks
7%synergy
Curse of Opulence
8.0%inclusion2 decks25 decks
2%synergy
Trouble in Pairs
8.0%inclusion2 decks25 decks
3%synergy
Sticky Fingers
8.0%inclusion2 decks25 decks
7%synergy
Bitterblossom
8.0%inclusion2 decks25 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
12%inclusion3 decks25 decks
12%synergy
Utility Lands
Rogue's Passage
64%inclusion16 decks25 decks
40%synergy
Vault of the Archangel
60%inclusion15 decks25 decks
37%synergy
Arcane Lighthouse
56%inclusion14 decks25 decks
55%synergy
Bojuka Bog
32%inclusion8 decks25 decks
1%synergy
Detection Tower
28%inclusion7 decks25 decks
27%synergy
Axgard Armory
24%inclusion6 decks25 decks
22%synergy
Buried Ruin
20%inclusion5 decks25 decks
17%synergy
Karn's Bastion
20%inclusion5 decks25 decks
19%synergy
Reliquary Tower
16%inclusion4 decks25 decks
1%synergy
Urborg, Tomb of Yawgmoth
16%inclusion4 decks25 decks
3%synergy
Shizo, Death's Storehouse
12%inclusion3 decks25 decks
5%synergy
Command Beacon
12%inclusion3 decks25 decks
7%synergy
Sunhome, Fortress of the Legion
12%inclusion3 decks25 decks
9%synergy
Temple of the False God
12%inclusion3 decks25 decks
6%synergy
Urza's Saga
8.0%inclusion2 decks25 decks
4%synergy
Monumental Henge
8.0%inclusion2 decks25 decks
7%synergy
Mana Artifacts
Arcane Signet
96%inclusion24 decks25 decks
10%synergy
Sol Ring
96%inclusion24 decks25 decks
8%synergy
Patriar's Seal
68%inclusion17 decks25 decks
66%synergy
Bounty Board
48%inclusion12 decks25 decks
46%synergy
Rakdos Signet
44%inclusion11 decks25 decks
16%synergy
Boros Signet
40%inclusion10 decks25 decks
13%synergy
Orzhov Signet
40%inclusion10 decks25 decks
10%synergy
Fellwar Stone
28%inclusion7 decks25 decks
-0%synergy
Bandit's Haul
24%inclusion6 decks25 decks
23%synergy
Talisman of Indulgence
20%inclusion5 decks25 decks
-17%synergy
Talisman of Conviction
20%inclusion5 decks25 decks
-22%synergy
Talisman of Hierarchy
20%inclusion5 decks25 decks
-21%synergy
Aetheric Amplifier
17%inclusion4 decks24 decks
16%synergy
Commander's Sphere
12%inclusion3 decks25 decks
-1%synergy
Chromatic Lantern
8.0%inclusion2 decks25 decks
-2%synergy
Mox Amber
8.0%inclusion2 decks25 decks
4%synergy
Lands
Command Tower
100%inclusion25 decks25 decks
8%synergy
Swamp
96%inclusion24 decks25 decks
1%synergy
Mountain
96%inclusion24 decks25 decks
2%synergy
Plains
96%inclusion24 decks25 decks
1%synergy
Godless Shrine
72%inclusion18 decks25 decks
24%synergy
Nomad Outpost
68%inclusion17 decks25 decks
10%synergy
Sacred Foundry
64%inclusion16 decks25 decks
18%synergy
Blood Crypt
60%inclusion15 decks25 decks
15%synergy
Savai Triome
56%inclusion14 decks25 decks
19%synergy
Exotic Orchard
56%inclusion14 decks25 decks
3%synergy
Clifftop Retreat
48%inclusion12 decks25 decks
-4%synergy
Dragonskull Summit
44%inclusion11 decks25 decks
-9%synergy
Isolated Chapel
44%inclusion11 decks25 decks
-10%synergy
Luxury Suite
44%inclusion11 decks25 decks
13%synergy
Arid Mesa
44%inclusion11 decks25 decks
13%synergy
Spectator Seating
44%inclusion11 decks25 decks
13%synergy
Marsh Flats
44%inclusion11 decks25 decks
13%synergy
Forbidden Orchard
40%inclusion10 decks25 decks
38%synergy
Vault of Champions
40%inclusion10 decks25 decks
8%synergy
Caves of Koilos
36%inclusion9 decks25 decks
-4%synergy
Path of Ancestry
36%inclusion9 decks25 decks
-2%synergy
Shattered Sanctum
36%inclusion9 decks25 decks
10%synergy
Bloodstained Mire
36%inclusion9 decks25 decks
3%synergy
Smoldering Marsh
32%inclusion8 decks25 decks
-5%synergy
Battlefield Forge
32%inclusion8 decks25 decks
-9%synergy
Terramorphic Expanse
28%inclusion7 decks25 decks
10%synergy
Shattered Landscape
28%inclusion7 decks25 decks
10%synergy
Temple of Silence
28%inclusion7 decks25 decks
7%synergy
Fetid Heath
24%inclusion6 decks25 decks
2%synergy
Sundown Pass
24%inclusion6 decks25 decks
2%synergy
Rugged Prairie
24%inclusion6 decks25 decks
6%synergy
Sulfurous Springs
24%inclusion6 decks25 decks
-5%synergy
Temple of Triumph
20%inclusion5 decks25 decks
-1%synergy
Evolving Wilds
20%inclusion5 decks25 decks
-5%synergy
Plateau
20%inclusion5 decks25 decks
8%synergy
Scrubland
20%inclusion5 decks25 decks
8%synergy
Haunted Ridge
20%inclusion5 decks25 decks
0%synergy
Rakdos Carnarium
16%inclusion4 decks25 decks
5%synergy
Badlands
16%inclusion4 decks25 decks
4%synergy
Shadowblood Ridge
16%inclusion4 decks25 decks
1%synergy
Shadowy Backstreet
16%inclusion4 decks25 decks
6%synergy
Temple of Malice
16%inclusion4 decks25 decks
1%synergy
Boros Garrison
16%inclusion4 decks25 decks
4%synergy
Orzhov Basilica
16%inclusion4 decks25 decks
3%synergy
Blightstep Pathway
16%inclusion4 decks25 decks
8%synergy
Turbulent Steppe
13%inclusion1 decks8 decks
9%synergy
Concealed Courtyard
12%inclusion3 decks25 decks
6%synergy
Tainted Field
12%inclusion3 decks25 decks
1%synergy
Radiant Summit
12%inclusion2 decks17 decks
8%synergy
Sunbillow Verge
8.3%inclusion2 decks24 decks
-1%synergy
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