Kelsien, the Plague (Commander) - Commander Matters

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #439
23decks
As CommanderAs CardAverage DeckDecksView Precon
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Budget
Any$$$$
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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Changing Loyalty
17%inclusion1 decks6 decks
16%synergy
Coercive Impetus
17%inclusion1 decks6 decks
16%synergy
Decorum Dissertation
17%inclusion1 decks6 decks
15%synergy
Killian, Decisive Mentor
14%inclusion1 decks7 decks
14%synergy
High Synergy Cards
Minthara, Merciless Soul
91%inclusion21 decks23 decks
90%synergy
Basilisk Collar
91%inclusion21 decks23 decks
87%synergy
Rune of Mortality
78%inclusion18 decks23 decks
77%synergy
Vorpal Sword
78%inclusion18 decks23 decks
76%synergy
Otharri, Suns' Glory
78%inclusion18 decks23 decks
73%synergy
Thornbite Staff
74%inclusion17 decks23 decks
72%synergy
Drumbellower
70%inclusion16 decks23 decks
68%synergy
Gorgon's Head
61%inclusion14 decks23 decks
60%synergy
Falthis, Shadowcat Familiar
61%inclusion14 decks23 decks
60%synergy
Sting, the Glinting Dagger
57%inclusion13 decks23 decks
55%synergy
Top Cards
Morbid Opportunist
70%inclusion16 decks23 decks
51%synergy
Mari, the Killing Quill
61%inclusion14 decks23 decks
55%synergy
Swords to Plowshares
61%inclusion14 decks23 decks
-1%synergy
Lae'zel, Vlaakith's Champion
57%inclusion13 decks23 decks
55%synergy
Swiftfoot Boots
57%inclusion13 decks23 decks
25%synergy
Gift of Doom
52%inclusion12 decks23 decks
51%synergy
Open the Armory
52%inclusion12 decks23 decks
48%synergy
Magda, the Hoardmaster
48%inclusion11 decks23 decks
46%synergy
Shay Cormac
48%inclusion11 decks23 decks
45%synergy
Steelshaper's Gift
48%inclusion11 decks23 decks
45%synergy
Game Changers
Enlightened Tutor
35%inclusion8 decks23 decks
23%synergy
Smothering Tithe
30%inclusion7 decks23 decks
6%synergy
Demonic Tutor
22%inclusion5 decks23 decks
3%synergy
Farewell
13%inclusion3 decks23 decks
3%synergy
Orcish Bowmasters
13%inclusion3 decks23 decks
8%synergy
Vampiric Tutor
13%inclusion3 decks23 decks
-1%synergy
Teferi's Protection
8.7%inclusion2 decks23 decks
-11%synergy
Creatures
Maha, Its Feathers Night
43%inclusion10 decks23 decks
42%synergy
Termination Facilitator
43%inclusion10 decks23 decks
42%synergy
General's Enforcer
43%inclusion10 decks23 decks
35%synergy
Ertha Jo, Frontier Mentor
39%inclusion9 decks23 decks
38%synergy
Humble Defector
35%inclusion8 decks23 decks
32%synergy
Puresteel Paladin
35%inclusion8 decks23 decks
31%synergy
Mathas, Fiend Seeker
30%inclusion7 decks23 decks
28%synergy
White Plume Adventurer
30%inclusion7 decks23 decks
29%synergy
Mother of Runes
30%inclusion7 decks23 decks
23%synergy
Void Beckoner
30%inclusion7 decks23 decks
30%synergy
Daxos the Returned
30%inclusion7 decks23 decks
30%synergy
Kalemne, Disciple of Iroas
30%inclusion7 decks23 decks
30%synergy
Harvester of Souls
26%inclusion6 decks23 decks
23%synergy
Esper Sentinel
26%inclusion6 decks23 decks
8%synergy
Sun Titan
26%inclusion6 decks23 decks
15%synergy
Taii Wakeen, Perfect Shot
22%inclusion5 decks23 decks
21%synergy
Blood Artist
22%inclusion5 decks23 decks
4%synergy
Assault Intercessor
22%inclusion5 decks23 decks
21%synergy
Slaughter Specialist
22%inclusion5 decks23 decks
21%synergy
Archetype of Finality
22%inclusion5 decks23 decks
21%synergy
Solemn Simulacrum
17%inclusion4 decks23 decks
5%synergy
Witch Enchanter
17%inclusion4 decks23 decks
11%synergy
Stoneforge Mystic
17%inclusion4 decks23 decks
15%synergy
Giver of Runes
17%inclusion4 decks23 decks
15%synergy
Zagras, Thief of Heartbeats
17%inclusion4 decks23 decks
16%synergy
Stonehewer Giant
17%inclusion4 decks23 decks
16%synergy
Massacre Girl, Known Killer
17%inclusion4 decks23 decks
15%synergy
Queen Marchesa
17%inclusion4 decks23 decks
11%synergy
Goblin Sharpshooter
17%inclusion4 decks23 decks
17%synergy
Patrolling Peacemaker
15%inclusion3 decks20 decks
15%synergy
Kratos, Stoic Father
13%inclusion2 decks15 decks
13%synergy
Deathbringer Thoctar
13%inclusion3 decks23 decks
13%synergy
Falkenrath Noble
13%inclusion3 decks23 decks
10%synergy
Knight of the White Orchid
13%inclusion3 decks23 decks
9%synergy
Massacre Wurm
13%inclusion3 decks23 decks
12%synergy
Tor Wauki the Younger
13%inclusion3 decks23 decks
13%synergy
Akiri, Fearless Voyager
13%inclusion3 decks23 decks
11%synergy
Blood Cultist
8.7%inclusion2 decks23 decks
8%synergy
Professional Face-Breaker
8.7%inclusion2 decks23 decks
-7%synergy
Bounty Agent
8.7%inclusion2 decks23 decks
8%synergy
Syr Konrad, the Grim
8.7%inclusion2 decks23 decks
5%synergy
Shadowheart, Dark Justiciar
8.7%inclusion2 decks23 decks
8%synergy
Claim Jumper
8.7%inclusion2 decks23 decks
7%synergy
Mahadi, Emporium Master
8.7%inclusion2 decks23 decks
0%synergy
Devout Chaplain
8.7%inclusion2 decks23 decks
8%synergy
Ankle Shanker
8.7%inclusion2 decks23 decks
6%synergy
Frontline Medic
8.7%inclusion2 decks23 decks
7%synergy
Species Specialist
8.7%inclusion2 decks23 decks
6%synergy
Alesha, Who Smiles at Death
8.7%inclusion2 decks23 decks
5%synergy
Boggart Trawler
8.7%inclusion2 decks23 decks
6%synergy
Instants
You Are Already Dead
39%inclusion9 decks23 decks
37%synergy
Anguished Unmaking
39%inclusion9 decks23 decks
6%synergy
Generous Gift
35%inclusion8 decks23 decks
17%synergy
Boros Charm
30%inclusion7 decks23 decks
1%synergy
Stroke of Midnight
30%inclusion7 decks23 decks
19%synergy
Mirrodin Avenged
30%inclusion7 decks23 decks
30%synergy
Despark
26%inclusion6 decks23 decks
12%synergy
Path to Exile
26%inclusion6 decks23 decks
-21%synergy
Dire Tactics
22%inclusion5 decks23 decks
19%synergy
Loran's Escape
22%inclusion5 decks23 decks
20%synergy
Flawless Maneuver
22%inclusion5 decks23 decks
7%synergy
Deflecting Swat
22%inclusion5 decks23 decks
6%synergy
Touch of Moonglove
22%inclusion5 decks23 decks
22%synergy
Crackling Doom
22%inclusion5 decks23 decks
5%synergy
Unexpected Windfall
17%inclusion4 decks23 decks
12%synergy
Rakdos Charm
17%inclusion4 decks23 decks
8%synergy
Terminate
17%inclusion4 decks23 decks
5%synergy
Malakir Rebirth
17%inclusion4 decks23 decks
12%synergy
Deflecting Palm
17%inclusion4 decks23 decks
11%synergy
Deadly Rollick
13%inclusion3 decks23 decks
2%synergy
Wear // Tear
13%inclusion3 decks23 decks
2%synergy
Legion Leadership
13%inclusion3 decks23 decks
9%synergy
Bladebrand
13%inclusion3 decks23 decks
13%synergy
Heliod's Intervention
13%inclusion3 decks23 decks
11%synergy
Fracture
13%inclusion3 decks23 decks
7%synergy
Mortify
13%inclusion3 decks23 decks
-2%synergy
Enter the Avatar State
10%inclusion1 decks10 decks
9%synergy
Fell the Profane
8.7%inclusion2 decks23 decks
2%synergy
Chaos Warp
8.7%inclusion2 decks23 decks
-7%synergy
Thrill of Possibility
8.7%inclusion2 decks23 decks
1%synergy
Untimely Malfunction
8.7%inclusion2 decks23 decks
4%synergy
Dawn's Truce
8.7%inclusion2 decks23 decks
2%synergy
Deadly Dispute
8.7%inclusion2 decks23 decks
-14%synergy
Flare of Fortitude
8.7%inclusion2 decks23 decks
5%synergy
Battle-Rage Blessing
8.7%inclusion2 decks23 decks
8%synergy
Blacksmith's Skill
8.7%inclusion2 decks23 decks
7%synergy
Armor of Shadows
8.7%inclusion2 decks23 decks
9%synergy
Virulent Swipe
8.7%inclusion2 decks23 decks
9%synergy
Bedevil
8.7%inclusion2 decks23 decks
2%synergy
Offer Immortality
8.7%inclusion2 decks23 decks
8%synergy
Demand Answers
8.7%inclusion2 decks23 decks
4%synergy
Bolt Bend
8.7%inclusion2 decks23 decks
7%synergy
Utter End
8.7%inclusion2 decks23 decks
4%synergy
Sejiri Shelter
8.7%inclusion2 decks23 decks
6%synergy
Sudden Spoiling
8.7%inclusion2 decks23 decks
8%synergy
Akroma's Will
8.7%inclusion2 decks23 decks
-5%synergy
Restoration Magic
5.0%inclusion1 decks20 decks
3%synergy
Sorceries
Sevinne's Reclamation
43%inclusion10 decks23 decks
36%synergy
Night's Whisper
35%inclusion8 decks23 decks
22%synergy
Painful Truths
30%inclusion7 decks23 decks
22%synergy
Sign in Blood
30%inclusion7 decks23 decks
23%synergy
Chandra's Ignition
30%inclusion7 decks23 decks
28%synergy
Vandalblast
26%inclusion6 decks23 decks
16%synergy
Faithless Looting
26%inclusion6 decks23 decks
11%synergy
Ruinous Ultimatum
26%inclusion6 decks23 decks
-13%synergy
Read the Bones
22%inclusion5 decks23 decks
13%synergy
Mythos of Snapdax
17%inclusion4 decks23 decks
12%synergy
Wrath of God
13%inclusion3 decks23 decks
9%synergy
Vindicate
13%inclusion3 decks23 decks
7%synergy
Blasphemous Act
13%inclusion3 decks23 decks
-10%synergy
Pirate's Pillage
13%inclusion3 decks23 decks
12%synergy
Call of the Death-Dweller
13%inclusion3 decks23 decks
13%synergy
Drown in Ichor
13%inclusion3 decks23 decks
13%synergy
Split Up
8.7%inclusion2 decks23 decks
8%synergy
Ambition's Cost
8.7%inclusion2 decks23 decks
7%synergy
Tragic Arrogance
8.7%inclusion2 decks23 decks
6%synergy
Toxic Deluge
8.7%inclusion2 decks23 decks
1%synergy
Damn
8.7%inclusion2 decks23 decks
-9%synergy
Hymn of the Faller
5.3%inclusion1 decks19 decks
5%synergy
Utility Artifacts
Quietus Spike
43%inclusion10 decks23 decks
42%synergy
Shadowspear
43%inclusion10 decks23 decks
39%synergy
Thousand-Year Elixir
39%inclusion9 decks23 decks
38%synergy
Magewright's Stone
39%inclusion9 decks23 decks
38%synergy
Whispersilk Cloak
30%inclusion7 decks23 decks
25%synergy
Illusionist's Bracers
26%inclusion6 decks23 decks
25%synergy
Brotherhood Regalia
26%inclusion6 decks23 decks
23%synergy
Gorgon Flail
22%inclusion5 decks23 decks
21%synergy
Battlemage's Bracers
22%inclusion5 decks23 decks
21%synergy
Lightning Greaves
22%inclusion5 decks23 decks
-13%synergy
Hunter's Blowgun
17%inclusion4 decks23 decks
17%synergy
Sword of the Animist
17%inclusion4 decks23 decks
8%synergy
Dragonfire Blade
15%inclusion3 decks20 decks
14%synergy
Glaring Spotlight
13%inclusion3 decks23 decks
13%synergy
Mithril Coat
13%inclusion3 decks23 decks
8%synergy
Skullclamp
13%inclusion3 decks23 decks
-16%synergy
Hammer of Nazahn
13%inclusion3 decks23 decks
11%synergy
Wayfarer's Bauble
8.7%inclusion2 decks23 decks
0%synergy
Helm of the Host
8.7%inclusion2 decks23 decks
3%synergy
Expedition Map
8.7%inclusion2 decks23 decks
8%synergy
Champion's Helm
8.7%inclusion2 decks23 decks
7%synergy
Puppet Strings
8.7%inclusion2 decks23 decks
8%synergy
Hexplate Wallbreaker
8.7%inclusion2 decks23 decks
8%synergy
Bagel and Schmear
5.9%inclusion1 decks17 decks
6%synergy
Buster Sword
5.0%inclusion1 decks20 decks
3%synergy
Enchantments
Fighter Class
43%inclusion10 decks23 decks
41%synergy
Sigarda's Aid
39%inclusion9 decks23 decks
36%synergy
Phyrexian Arena
30%inclusion7 decks23 decks
12%synergy
Dazzling Theater // Prop Room
22%inclusion5 decks23 decks
20%synergy
Revel in Riches
22%inclusion5 decks23 decks
15%synergy
Aspect of Gorgon
17%inclusion4 decks23 decks
17%synergy
Blind Obedience
17%inclusion4 decks23 decks
12%synergy
Death Pits of Rath
17%inclusion4 decks23 decks
17%synergy
Kaya's Ghostform
17%inclusion4 decks23 decks
15%synergy
Nowhere to Run
17%inclusion4 decks23 decks
17%synergy
Reconnaissance
13%inclusion3 decks23 decks
1%synergy
Forge Anew
13%inclusion3 decks23 decks
11%synergy
Agent of the Shadow Thieves
13%inclusion3 decks23 decks
12%synergy
Black Market Connections
13%inclusion3 decks23 decks
-3%synergy
Ghostly Prison
13%inclusion3 decks23 decks
6%synergy
Eye of Nidhogg
10%inclusion2 decks20 decks
9%synergy
Black Market
8.7%inclusion2 decks23 decks
3%synergy
Gift of Immortality
8.7%inclusion2 decks23 decks
8%synergy
Glasswing Grace
8.7%inclusion2 decks23 decks
7%synergy
Forging the Tyrite Sword
8.7%inclusion2 decks23 decks
8%synergy
Authority of the Consuls
8.7%inclusion2 decks23 decks
5%synergy
Retreat to Hagra
8.7%inclusion2 decks23 decks
8%synergy
Grave Betrayal
8.7%inclusion2 decks23 decks
8%synergy
No Mercy
8.7%inclusion2 decks23 decks
7%synergy
At Knifepoint
8.7%inclusion2 decks23 decks
7%synergy
Animate Dead
8.7%inclusion2 decks23 decks
1%synergy
Trouble in Pairs
8.7%inclusion2 decks23 decks
4%synergy
Spiteful Banditry
8.7%inclusion2 decks23 decks
7%synergy
Parasitic Impetus
8.7%inclusion2 decks23 decks
8%synergy
Chorale of the Void
5.0%inclusion1 decks20 decks
5%synergy
Planeswalkers
Vraska, Betrayal's Sting
13%inclusion3 decks23 decks
13%synergy
Nahiri, the Lithomancer
13%inclusion3 decks23 decks
13%synergy
Kaya, Geist Hunter
13%inclusion3 decks23 decks
9%synergy
Tezzeret, Cruel Captain
10%inclusion2 decks20 decks
9%synergy
Utility Lands
Bojuka Bog
52%inclusion12 decks23 decks
21%synergy
Vault of the Archangel
52%inclusion12 decks23 decks
29%synergy
Rogue's Passage
48%inclusion11 decks23 decks
24%synergy
Buried Ruin
43%inclusion10 decks23 decks
40%synergy
Arcane Lighthouse
39%inclusion9 decks23 decks
38%synergy
Axgard Armory
35%inclusion8 decks23 decks
33%synergy
Detection Tower
26%inclusion6 decks23 decks
26%synergy
Karn's Bastion
26%inclusion6 decks23 decks
25%synergy
Shizo, Death's Storehouse
13%inclusion3 decks23 decks
6%synergy
Sunhome, Fortress of the Legion
13%inclusion3 decks23 decks
10%synergy
Reliquary Tower
13%inclusion3 decks23 decks
-2%synergy
Phyrexian Tower
8.7%inclusion2 decks23 decks
-1%synergy
Urza's Saga
8.7%inclusion2 decks23 decks
4%synergy
Eiganjo, Seat of the Empire
8.7%inclusion2 decks23 decks
2%synergy
Castle Locthwain
8.7%inclusion2 decks23 decks
6%synergy
Temple of the False God
8.7%inclusion2 decks23 decks
3%synergy
Urborg, Tomb of Yawgmoth
8.7%inclusion2 decks23 decks
-5%synergy
Multiversal Passage
5.3%inclusion1 decks19 decks
4%synergy
Mana Artifacts
Arcane Signet
96%inclusion22 decks23 decks
10%synergy
Sol Ring
83%inclusion19 decks23 decks
-6%synergy
Patriar's Seal
61%inclusion14 decks23 decks
59%synergy
Orzhov Signet
48%inclusion11 decks23 decks
17%synergy
Rakdos Signet
39%inclusion9 decks23 decks
10%synergy
Boros Signet
39%inclusion9 decks23 decks
12%synergy
Talisman of Hierarchy
30%inclusion7 decks23 decks
-10%synergy
Commander's Sphere
26%inclusion6 decks23 decks
12%synergy
Talisman of Indulgence
26%inclusion6 decks23 decks
-11%synergy
Talisman of Conviction
26%inclusion6 decks23 decks
-16%synergy
Aetheric Amplifier
19%inclusion4 decks21 decks
19%synergy
Bandit's Haul
17%inclusion4 decks23 decks
16%synergy
Fellwar Stone
17%inclusion4 decks23 decks
-11%synergy
Bounty Board
13%inclusion3 decks23 decks
11%synergy
Mind Stone
8.7%inclusion2 decks23 decks
0%synergy
Savai Crystal
8.7%inclusion2 decks23 decks
7%synergy
Lands
Command Tower
96%inclusion22 decks23 decks
3%synergy
Swamp
91%inclusion21 decks23 decks
-4%synergy
Mountain
87%inclusion20 decks23 decks
-7%synergy
Plains
87%inclusion20 decks23 decks
-8%synergy
Nomad Outpost
74%inclusion17 decks23 decks
16%synergy
Exotic Orchard
70%inclusion16 decks23 decks
17%synergy
Caves of Koilos
65%inclusion15 decks23 decks
26%synergy
Battlefield Forge
57%inclusion13 decks23 decks
16%synergy
Savai Triome
52%inclusion12 decks23 decks
15%synergy
Sacred Foundry
52%inclusion12 decks23 decks
7%synergy
Godless Shrine
52%inclusion12 decks23 decks
4%synergy
Path of Ancestry
48%inclusion11 decks23 decks
10%synergy
Spectator Seating
48%inclusion11 decks23 decks
17%synergy
Sulfurous Springs
48%inclusion11 decks23 decks
20%synergy
Blood Crypt
43%inclusion10 decks23 decks
-1%synergy
Luxury Suite
43%inclusion10 decks23 decks
12%synergy
Forbidden Orchard
43%inclusion10 decks23 decks
41%synergy
Smoldering Marsh
39%inclusion9 decks23 decks
2%synergy
Fetid Heath
39%inclusion9 decks23 decks
18%synergy
Isolated Chapel
39%inclusion9 decks23 decks
-14%synergy
Clifftop Retreat
39%inclusion9 decks23 decks
-12%synergy
Vault of Champions
39%inclusion9 decks23 decks
7%synergy
Dragonskull Summit
35%inclusion8 decks23 decks
-18%synergy
Graven Cairns
30%inclusion7 decks23 decks
18%synergy
Sundown Pass
30%inclusion7 decks23 decks
9%synergy
Arid Mesa
30%inclusion7 decks23 decks
-1%synergy
Marsh Flats
30%inclusion7 decks23 decks
-1%synergy
Brightclimb Pathway
26%inclusion6 decks23 decks
17%synergy
Shattered Landscape
26%inclusion6 decks23 decks
7%synergy
Rugged Prairie
26%inclusion6 decks23 decks
9%synergy
Evolving Wilds
26%inclusion6 decks23 decks
0%synergy
Shattered Sanctum
26%inclusion6 decks23 decks
1%synergy
Haunted Ridge
26%inclusion6 decks23 decks
6%synergy
Bloodstained Mire
26%inclusion6 decks23 decks
-7%synergy
Temple of Silence
22%inclusion5 decks23 decks
0%synergy
Witch Enchanter
17%inclusion4 decks23 decks
11%synergy
Shadowblood Ridge
17%inclusion4 decks23 decks
2%synergy
Tainted Field
17%inclusion4 decks23 decks
6%synergy
Temple of Triumph
17%inclusion4 decks23 decks
-4%synergy
Blazemire Verge
17%inclusion4 decks23 decks
6%synergy
Malakir Rebirth
17%inclusion4 decks23 decks
12%synergy
Needleverge Pathway
17%inclusion4 decks23 decks
10%synergy
Orzhov Basilica
17%inclusion4 decks23 decks
4%synergy
Hidden Hideout
14%inclusion1 decks7 decks
14%synergy
Rakdos Carnarium
13%inclusion3 decks23 decks
2%synergy
Terramorphic Expanse
13%inclusion3 decks23 decks
-6%synergy
Myriad Landscape
13%inclusion3 decks23 decks
2%synergy
Inspiring Vantage
13%inclusion3 decks23 decks
9%synergy
Temple of Malice
13%inclusion3 decks23 decks
-3%synergy
Boros Garrison
13%inclusion3 decks23 decks
1%synergy
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