Kelsien, the Plague (Commander) - Upgraded Assassins

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #463
6decks
As CommanderAs CardAverage DeckDecksView Precon
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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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Creatures
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Sorceries
Utility Artifacts
Enchantments
Planeswalkers
Utility Lands
Mana Artifacts
Lands
Back to Top
Smaug the Impenetrable
33%inclusion1 decks3 decks
32%synergy
Bilbo's Gambit
33%inclusion1 decks3 decks
31%synergy
Smaug, Wicked Worm
33%inclusion1 decks3 decks
28%synergy
High Synergy Cards
Vorpal Sword
67%inclusion4 decks6 decks
65%synergy
Otharri, Suns' Glory
67%inclusion4 decks6 decks
61%synergy
Rogue's Passage
67%inclusion4 decks6 decks
43%synergy
Ruinous Ultimatum
67%inclusion4 decks6 decks
27%synergy
Game Changers
Teferi's Protection
17%inclusion1 decks6 decks
-2%synergy
Smothering Tithe
17%inclusion1 decks6 decks
-7%synergy
Opposition Agent
17%inclusion1 decks6 decks
14%synergy
Enlightened Tutor
17%inclusion1 decks6 decks
5%synergy
Orcish Bowmasters
17%inclusion1 decks6 decks
11%synergy
Creatures
Shay Cormac
50%inclusion3 decks6 decks
47%synergy
Queen Marchesa
50%inclusion3 decks6 decks
45%synergy
Mari, the Killing Quill
50%inclusion3 decks6 decks
44%synergy
Minthara, Merciless Soul
50%inclusion3 decks6 decks
49%synergy
Royal Assassin
50%inclusion3 decks6 decks
47%synergy
Layla Hassan
50%inclusion3 decks6 decks
49%synergy
Aya of Alexandria
50%inclusion3 decks6 decks
48%synergy
Desmond Miles
33%inclusion2 decks6 decks
32%synergy
Bayek of Siwa
33%inclusion2 decks6 decks
31%synergy
Bureau Headmaster
33%inclusion2 decks6 decks
33%synergy
Maha, Its Feathers Night
33%inclusion2 decks6 decks
32%synergy
Massacre Girl
33%inclusion2 decks6 decks
32%synergy
Poison-Blade Mentor
33%inclusion2 decks6 decks
33%synergy
Kalemne, Disciple of Iroas
33%inclusion2 decks6 decks
33%synergy
Termination Facilitator
33%inclusion2 decks6 decks
32%synergy
Magda, the Hoardmaster
33%inclusion2 decks6 decks
31%synergy
Eivor, Battle-Ready
33%inclusion2 decks6 decks
33%synergy
Morbid Opportunist
33%inclusion2 decks6 decks
15%synergy
Kassandra, Eagle Bearer
33%inclusion2 decks6 decks
33%synergy
Mathas, Fiend Seeker
33%inclusion2 decks6 decks
31%synergy
Kratos, Stoic Father
20%inclusion1 decks5 decks
20%synergy
Taii Wakeen, Perfect Shot
17%inclusion1 decks6 decks
16%synergy
Doomed Necromancer
17%inclusion1 decks6 decks
16%synergy
Merciless Harlequin
17%inclusion1 decks6 decks
16%synergy
Brotherhood Patriarch
17%inclusion1 decks6 decks
16%synergy
Ertha Jo, Frontier Mentor
17%inclusion1 decks6 decks
16%synergy
Evereth, Viceroy of Plunder
17%inclusion1 decks6 decks
16%synergy
Covert Cutpurse
17%inclusion1 decks6 decks
17%synergy
Kalain, Reclusive Painter
17%inclusion1 decks6 decks
15%synergy
Astor, Bearer of Blades
17%inclusion1 decks6 decks
16%synergy
Vihaan, Goldwaker
17%inclusion1 decks6 decks
13%synergy
Drumbellower
17%inclusion1 decks6 decks
15%synergy
Olivia, Opulent Outlaw
17%inclusion1 decks6 decks
13%synergy
Altaïr Ibn-La'Ahad
17%inclusion1 decks6 decks
17%synergy
Surtr, Fiery Jötun
17%inclusion1 decks6 decks
17%synergy
Orzhov Euthanist
17%inclusion1 decks6 decks
17%synergy
Corrosive Mentor
17%inclusion1 decks6 decks
17%synergy
Nighthawk Scavenger
17%inclusion1 decks6 decks
12%synergy
Blackbloom Rogue
17%inclusion1 decks6 decks
17%synergy
Jacob Frye
17%inclusion1 decks6 decks
17%synergy
Bounty Hunter
17%inclusion1 decks6 decks
16%synergy
Zealot il-Vec
17%inclusion1 decks6 decks
17%synergy
Undercity Scrounger
17%inclusion1 decks6 decks
16%synergy
Deathbringer Thoctar
17%inclusion1 decks6 decks
16%synergy
Marvin, Murderous Mimic
17%inclusion1 decks6 decks
15%synergy
Emberwilde Captain
17%inclusion1 decks6 decks
14%synergy
Treasure Nabber
17%inclusion1 decks6 decks
16%synergy
Mahadi, Emporium Master
17%inclusion1 decks6 decks
8%synergy
Witch Enchanter
17%inclusion1 decks6 decks
9%synergy
Blood Cultist
17%inclusion1 decks6 decks
16%synergy
Instants
Boros Charm
33%inclusion2 decks6 decks
4%synergy
Murder
33%inclusion2 decks6 decks
31%synergy
You Are Already Dead
33%inclusion2 decks6 decks
32%synergy
Path to Exile
33%inclusion2 decks6 decks
-14%synergy
Mortify
33%inclusion2 decks6 decks
18%synergy
Giantfall
20%inclusion1 decks5 decks
20%synergy
Argivian Find
17%inclusion1 decks6 decks
17%synergy
Shoot the Sheriff
17%inclusion1 decks6 decks
15%synergy
Settle the Wreckage
17%inclusion1 decks6 decks
15%synergy
Go for the Throat
17%inclusion1 decks6 decks
14%synergy
Chain Assassination
17%inclusion1 decks6 decks
16%synergy
Dawn's Truce
17%inclusion1 decks6 decks
10%synergy
Not Dead After All
17%inclusion1 decks6 decks
16%synergy
Outmaneuver
17%inclusion1 decks6 decks
17%synergy
Clever Concealment
17%inclusion1 decks6 decks
12%synergy
Lightning Bolt
17%inclusion1 decks6 decks
13%synergy
Dark Ritual
17%inclusion1 decks6 decks
-1%synergy
Valor Made Real
17%inclusion1 decks6 decks
17%synergy
Razorgrass Ambush
17%inclusion1 decks6 decks
16%synergy
Soul's Fire
17%inclusion1 decks6 decks
17%synergy
Duty Beyond Death
17%inclusion1 decks6 decks
13%synergy
Virulent Swipe
17%inclusion1 decks6 decks
17%synergy
Darkness
17%inclusion1 decks6 decks
16%synergy
Wear // Tear
17%inclusion1 decks6 decks
6%synergy
Delirium
17%inclusion1 decks6 decks
15%synergy
Malakir Rebirth
17%inclusion1 decks6 decks
11%synergy
Anguished Unmaking
17%inclusion1 decks6 decks
-17%synergy
Legion Leadership
17%inclusion1 decks6 decks
12%synergy
Deflecting Swat
17%inclusion1 decks6 decks
0%synergy
Inventory Management
17%inclusion1 decks6 decks
16%synergy
Order // Chaos
17%inclusion1 decks6 decks
17%synergy
Despark
17%inclusion1 decks6 decks
3%synergy
Alesha's Legacy
17%inclusion1 decks6 decks
16%synergy
Volt Charge
17%inclusion1 decks6 decks
17%synergy
Battlefield Improvisation
17%inclusion1 decks6 decks
17%synergy
Utter End
17%inclusion1 decks6 decks
13%synergy
Deflecting Palm
17%inclusion1 decks6 decks
10%synergy
Sudden Spoiling
17%inclusion1 decks6 decks
16%synergy
Misthios's Fury
17%inclusion1 decks6 decks
17%synergy
Mirrodin Avenged
17%inclusion1 decks6 decks
16%synergy
Crackling Doom
17%inclusion1 decks6 decks
-0%synergy
Fracture
17%inclusion1 decks6 decks
11%synergy
Brought Back
17%inclusion1 decks6 decks
16%synergy
Kazuul's Fury
17%inclusion1 decks6 decks
16%synergy
Tragic Slip
17%inclusion1 decks6 decks
15%synergy
Generous Gift
17%inclusion1 decks6 decks
-0%synergy
Valakut Awakening
17%inclusion1 decks6 decks
14%synergy
Sorceries
Vandalblast
33%inclusion2 decks6 decks
23%synergy
Restart Sequence
33%inclusion2 decks6 decks
33%synergy
Overpowering Attack
33%inclusion2 decks6 decks
31%synergy
Spread the Sickness
17%inclusion1 decks6 decks
17%synergy
Sevinne's Reclamation
17%inclusion1 decks6 decks
9%synergy
Secret Rendezvous
17%inclusion1 decks6 decks
15%synergy
Merciless Eviction
17%inclusion1 decks6 decks
14%synergy
Mythos of Snapdax
17%inclusion1 decks6 decks
12%synergy
Painful Truths
17%inclusion1 decks6 decks
9%synergy
Thud
17%inclusion1 decks6 decks
17%synergy
Vindicate
17%inclusion1 decks6 decks
11%synergy
Starfall Invocation
17%inclusion1 decks6 decks
16%synergy
Shatterskull Smashing
17%inclusion1 decks6 decks
16%synergy
Blasphemous Act
17%inclusion1 decks6 decks
-7%synergy
Unfinished Business
17%inclusion1 decks6 decks
16%synergy
Single Combat
17%inclusion1 decks6 decks
15%synergy
Revival // Revenge
17%inclusion1 decks6 decks
16%synergy
Wave of Indifference
17%inclusion1 decks6 decks
17%synergy
Disrupt Decorum
17%inclusion1 decks6 decks
12%synergy
Wheel of Fortune
17%inclusion1 decks6 decks
13%synergy
Toxic Deluge
17%inclusion1 decks6 decks
9%synergy
No One Left Behind
17%inclusion1 decks6 decks
17%synergy
Damn
17%inclusion1 decks6 decks
-1%synergy
Kaya's Wrath
17%inclusion1 decks6 decks
15%synergy
What Must Be Done
17%inclusion1 decks6 decks
16%synergy
Nighthaze
17%inclusion1 decks6 decks
17%synergy
Sign in Blood
17%inclusion1 decks6 decks
9%synergy
Sundering Eruption
17%inclusion1 decks6 decks
14%synergy
Back in Town
17%inclusion1 decks6 decks
15%synergy
Steelshaper's Gift
17%inclusion1 decks6 decks
14%synergy
Utility Artifacts
Hidden Blade
50%inclusion3 decks6 decks
49%synergy
Haystack
50%inclusion3 decks6 decks
49%synergy
Basilisk Collar
50%inclusion3 decks6 decks
46%synergy
Chainsaw
33%inclusion2 decks6 decks
33%synergy
Sword of Truth and Justice
33%inclusion2 decks6 decks
33%synergy
Caduceus, Staff of Hermes
33%inclusion2 decks6 decks
32%synergy
Shadowspear
33%inclusion2 decks6 decks
29%synergy
Sting, the Glinting Dagger
33%inclusion2 decks6 decks
32%synergy
Whispersilk Cloak
33%inclusion2 decks6 decks
28%synergy
Lightning Greaves
33%inclusion2 decks6 decks
-1%synergy
Brotherhood Regalia
33%inclusion2 decks6 decks
30%synergy
Raven Clan War-Axe
33%inclusion2 decks6 decks
33%synergy
The Spear of Leonidas
33%inclusion2 decks6 decks
32%synergy
Thornbite Staff
33%inclusion2 decks6 decks
32%synergy
Mjölnir, Storm Hammer
33%inclusion2 decks6 decks
33%synergy
Sword of Light and Shadow
17%inclusion1 decks6 decks
15%synergy
Quietus Spike
17%inclusion1 decks6 decks
16%synergy
Sensei's Divining Top
17%inclusion1 decks6 decks
14%synergy
Illusionist's Bracers
17%inclusion1 decks6 decks
15%synergy
Umezawa's Jitte
17%inclusion1 decks6 decks
16%synergy
Nazgûl Battle-Mace
17%inclusion1 decks6 decks
16%synergy
Glaring Spotlight
17%inclusion1 decks6 decks
16%synergy
Sword of Fire and Ice
17%inclusion1 decks6 decks
15%synergy
Rogue's Gloves
17%inclusion1 decks6 decks
16%synergy
Wayfarer's Bauble
17%inclusion1 decks6 decks
8%synergy
Sword of Kaldra
17%inclusion1 decks6 decks
16%synergy
The Reaver Cleaver
17%inclusion1 decks6 decks
11%synergy
Umbral Mantle
17%inclusion1 decks6 decks
16%synergy
Phantom Blade
17%inclusion1 decks6 decks
16%synergy
Scythe of the Wretched
17%inclusion1 decks6 decks
17%synergy
Excalibur, Sword of Eden
17%inclusion1 decks6 decks
15%synergy
Wand of Orcus
17%inclusion1 decks6 decks
17%synergy
Hunter's Blowgun
17%inclusion1 decks6 decks
16%synergy
Key to the City
17%inclusion1 decks6 decks
12%synergy
Bilbo's Ring
17%inclusion1 decks6 decks
16%synergy
Sword of War and Peace
17%inclusion1 decks6 decks
16%synergy
Darksteel Plate
17%inclusion1 decks6 decks
15%synergy
Rings of Brighthearth
17%inclusion1 decks6 decks
16%synergy
Battlemage's Bracers
17%inclusion1 decks6 decks
16%synergy
Champion's Helm
17%inclusion1 decks6 decks
15%synergy
Herald's Horn
17%inclusion1 decks6 decks
11%synergy
Sword of Forge and Frontier
17%inclusion1 decks6 decks
15%synergy
Swiftfoot Boots
17%inclusion1 decks6 decks
-15%synergy
Tempting Contract
17%inclusion1 decks6 decks
16%synergy
Sword of Sinew and Steel
17%inclusion1 decks6 decks
16%synergy
Sword of Feast and Famine
17%inclusion1 decks6 decks
13%synergy
Argentum Armor
17%inclusion1 decks6 decks
15%synergy
Mask of Memory
17%inclusion1 decks6 decks
15%synergy
Sword of the Animist
17%inclusion1 decks6 decks
8%synergy
Hidden Footblade
17%inclusion1 decks6 decks
16%synergy
Enchantments
Reconnaissance
50%inclusion3 decks6 decks
38%synergy
Gift of Doom
33%inclusion2 decks6 decks
33%synergy
At Knifepoint
33%inclusion2 decks6 decks
32%synergy
The Revelations of Ezio
33%inclusion2 decks6 decks
33%synergy
Cover of Darkness
33%inclusion2 decks6 decks
31%synergy
Fall of the First Civilization
33%inclusion2 decks6 decks
33%synergy
Phyrexian Arena
33%inclusion2 decks6 decks
15%synergy
Fated Firepower
20%inclusion1 decks5 decks
18%synergy
Discreet Retreat
17%inclusion1 decks6 decks
16%synergy
Rune of Sustenance
17%inclusion1 decks6 decks
17%synergy
Greed
17%inclusion1 decks6 decks
16%synergy
Black Market
17%inclusion1 decks6 decks
12%synergy
Gift of Immortality
17%inclusion1 decks6 decks
16%synergy
Hyena Umbra
17%inclusion1 decks6 decks
17%synergy
Unquestioned Authority
17%inclusion1 decks6 decks
16%synergy
Witch's Mist
17%inclusion1 decks6 decks
17%synergy
Forge Anew
17%inclusion1 decks6 decks
15%synergy
Sigarda's Aid
17%inclusion1 decks6 decks
14%synergy
Glistening Oil
17%inclusion1 decks6 decks
17%synergy
Bleeding Effect
17%inclusion1 decks6 decks
16%synergy
Haunted One
17%inclusion1 decks6 decks
16%synergy
Conspiracy
17%inclusion1 decks6 decks
16%synergy
Gratuitous Violence
17%inclusion1 decks6 decks
16%synergy
Fighter Class
17%inclusion1 decks6 decks
14%synergy
Phyresis
17%inclusion1 decks6 decks
16%synergy
Origin of the Hidden Ones
17%inclusion1 decks6 decks
16%synergy
Eternal Thirst
17%inclusion1 decks6 decks
16%synergy
Warleader's Call
17%inclusion1 decks6 decks
5%synergy
Righteous War
17%inclusion1 decks6 decks
17%synergy
Death Pits of Rath
17%inclusion1 decks6 decks
16%synergy
The Rollercrusher Ride
17%inclusion1 decks6 decks
17%synergy
Dauthi Embrace
17%inclusion1 decks6 decks
17%synergy
Rune of Mortality
17%inclusion1 decks6 decks
15%synergy
Curse of Opulence
17%inclusion1 decks6 decks
10%synergy
Revel in Riches
17%inclusion1 decks6 decks
11%synergy
Sheltered by Ghosts
17%inclusion1 decks6 decks
16%synergy
Land Tax
17%inclusion1 decks6 decks
10%synergy
Nowhere to Run
17%inclusion1 decks6 decks
16%synergy
All-Out Assault
17%inclusion1 decks6 decks
5%synergy
Ghostly Prison
17%inclusion1 decks6 decks
9%synergy
Planeswalkers
Kaya, Intangible Slayer
17%inclusion1 decks6 decks
16%synergy
Jeska, Thrice Reborn
17%inclusion1 decks6 decks
16%synergy
Utility Lands
Arcane Lighthouse
33%inclusion2 decks6 decks
32%synergy
Karn's Bastion
33%inclusion2 decks6 decks
33%synergy
Reliquary Tower
33%inclusion2 decks6 decks
18%synergy
Vault of the Archangel
33%inclusion2 decks6 decks
10%synergy
Detection Tower
17%inclusion1 decks6 decks
16%synergy
Axgard Armory
17%inclusion1 decks6 decks
15%synergy
Urborg, Tomb of Yawgmoth
17%inclusion1 decks6 decks
4%synergy
Mana Artifacts
Sol Ring
100%inclusion6 decks6 decks
12%synergy
Arcane Signet
50%inclusion3 decks6 decks
-36%synergy
Bounty Board
50%inclusion3 decks6 decks
48%synergy
Talisman of Indulgence
33%inclusion2 decks6 decks
-4%synergy
Rakdos Signet
33%inclusion2 decks6 decks
6%synergy
Bandit's Haul
33%inclusion2 decks6 decks
32%synergy
Orzhov Signet
33%inclusion2 decks6 decks
4%synergy
Planar Atlas
17%inclusion1 decks6 decks
17%synergy
Patchwork Banner
17%inclusion1 decks6 decks
12%synergy
Decanter of Endless Water
17%inclusion1 decks6 decks
16%synergy
Fellwar Stone
17%inclusion1 decks6 decks
-12%synergy
Patriar's Seal
17%inclusion1 decks6 decks
15%synergy
Talisman of Hierarchy
17%inclusion1 decks6 decks
-25%synergy
Lands
Command Tower
100%inclusion6 decks6 decks
8%synergy
Swamp
100%inclusion6 decks6 decks
5%synergy
Mountain
100%inclusion6 decks6 decks
6%synergy
Plains
100%inclusion6 decks6 decks
5%synergy
Brotherhood Headquarters
50%inclusion3 decks6 decks
49%synergy
Path of Ancestry
50%inclusion3 decks6 decks
12%synergy
Savai Triome
33%inclusion2 decks6 decks
-4%synergy
Exotic Orchard
33%inclusion2 decks6 decks
-20%synergy
Nomad Outpost
33%inclusion2 decks6 decks
-24%synergy
Dragonskull Summit
33%inclusion2 decks6 decks
-20%synergy
Isolated Chapel
33%inclusion2 decks6 decks
-21%synergy
Clifftop Retreat
33%inclusion2 decks6 decks
-19%synergy
Witch Enchanter
17%inclusion1 decks6 decks
9%synergy
Raucous Theater
17%inclusion1 decks6 decks
6%synergy
Rakdos Carnarium
17%inclusion1 decks6 decks
6%synergy
Badlands
17%inclusion1 decks6 decks
4%synergy
Shadowy Backstreet
17%inclusion1 decks6 decks
6%synergy
Myriad Landscape
17%inclusion1 decks6 decks
6%synergy
Windswept Heath
17%inclusion1 decks6 decks
10%synergy
Bleachbone Verge
17%inclusion1 decks6 decks
7%synergy
Blackbloom Rogue
17%inclusion1 decks6 decks
17%synergy
Akoum Refuge
17%inclusion1 decks6 decks
15%synergy
Hidden Grotto
17%inclusion1 decks6 decks
16%synergy
Blood Crypt
17%inclusion1 decks6 decks
-29%synergy
Sacred Foundry
17%inclusion1 decks6 decks
-29%synergy
Razorgrass Ambush
17%inclusion1 decks6 decks
16%synergy
Shire Terrace
17%inclusion1 decks6 decks
16%synergy
Wooded Foothills
17%inclusion1 decks6 decks
10%synergy
Verdant Catacombs
17%inclusion1 decks6 decks
10%synergy
Temple of Triumph
17%inclusion1 decks6 decks
-4%synergy
Boggart Trawler
17%inclusion1 decks6 decks
14%synergy
Godless Shrine
17%inclusion1 decks6 decks
-32%synergy
Shatterskull Smashing
17%inclusion1 decks6 decks
16%synergy
Secluded Courtyard
17%inclusion1 decks6 decks
9%synergy
Shattered Landscape
17%inclusion1 decks6 decks
-1%synergy
Luxury Suite
17%inclusion1 decks6 decks
-15%synergy
Stone Quarry
17%inclusion1 decks6 decks
15%synergy
Boros Garrison
17%inclusion1 decks6 decks
5%synergy
Blazemire Verge
17%inclusion1 decks6 decks
5%synergy
Elegant Parlor
17%inclusion1 decks6 decks
7%synergy
Sunbillow Verge
17%inclusion1 decks6 decks
7%synergy
Malakir Rebirth
17%inclusion1 decks6 decks
11%synergy
Evolving Wilds
17%inclusion1 decks6 decks
-8%synergy
Orzhov Basilica
17%inclusion1 decks6 decks
4%synergy
Opal Palace
17%inclusion1 decks6 decks
15%synergy
Legion Leadership
17%inclusion1 decks6 decks
12%synergy
Arid Mesa
17%inclusion1 decks6 decks
-15%synergy
Plateau
17%inclusion1 decks6 decks
4%synergy
Scrubland
17%inclusion1 decks6 decks
4%synergy
Sundering Eruption
17%inclusion1 decks6 decks
14%synergy
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