Altaïr, Brotherhood Mentor (Commander) - Assassins

Original Name:

Kelsien, the PlagueKelsien, the Plague

Altaïr, Brotherhood Mentor
Rank #420
22decks
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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Creatures
Instants
Sorceries
Utility Artifacts
Enchantments
Utility Lands
Mana Artifacts
Lands
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Basilisk Collar
82%inclusion18 decks22 decks
77%synergy
Vorpal Sword
77%inclusion17 decks22 decks
75%synergy
Mari, the Killing Quill
77%inclusion17 decks22 decks
71%synergy
Royal Assassin
64%inclusion14 decks22 decks
61%synergy
Rune of Mortality
59%inclusion13 decks22 decks
58%synergy
Gorgon's Head
55%inclusion12 decks22 decks
53%synergy
Quietus Spike
50%inclusion11 decks22 decks
49%synergy
Shay Cormac
47%inclusion9 decks19 decks
44%synergy
Falthis, Shadowcat Familiar
45%inclusion10 decks22 decks
44%synergy
Termination Facilitator
45%inclusion10 decks22 decks
44%synergy
Top Cards
Sting, the Glinting Dagger
45%inclusion10 decks22 decks
44%synergy
Otharri, Suns' Glory
45%inclusion10 decks22 decks
40%synergy
Queen Marchesa
45%inclusion10 decks22 decks
39%synergy
Maha, Its Feathers Night
42%inclusion8 decks19 decks
41%synergy
Mirrodin Avenged
41%inclusion9 decks22 decks
40%synergy
Gift of Doom
41%inclusion9 decks22 decks
40%synergy
Ruinous Ultimatum
41%inclusion9 decks22 decks
2%synergy
You Are Already Dead
41%inclusion9 decks22 decks
39%synergy
Thornbite Staff
41%inclusion9 decks22 decks
39%synergy
Crackling Doom
41%inclusion9 decks22 decks
24%synergy
Game Changers
Teferi's Protection
23%inclusion5 decks22 decks
3%synergy
Demonic Tutor
18%inclusion4 decks22 decks
-1%synergy
Smothering Tithe
14%inclusion3 decks22 decks
-12%synergy
Farewell
14%inclusion3 decks22 decks
3%synergy
Enlightened Tutor
14%inclusion3 decks22 decks
1%synergy
Creatures
Minthara, Merciless Soul
41%inclusion9 decks22 decks
39%synergy
Morbid Opportunist
36%inclusion8 decks22 decks
19%synergy
Mathas, Fiend Seeker
32%inclusion7 decks22 decks
30%synergy
Archetype of Finality
32%inclusion7 decks22 decks
31%synergy
Daxos the Returned
32%inclusion7 decks22 decks
31%synergy
General's Enforcer
32%inclusion7 decks22 decks
23%synergy
Aya of Alexandria
32%inclusion6 decks19 decks
30%synergy
Drumbellower
27%inclusion6 decks22 decks
25%synergy
Massacre Girl
27%inclusion6 decks22 decks
25%synergy
Zagras, Thief of Heartbeats
27%inclusion6 decks22 decks
26%synergy
Big Game Hunter
27%inclusion6 decks22 decks
26%synergy
Goblin Sharpshooter
27%inclusion6 decks22 decks
27%synergy
Taii Wakeen, Perfect Shot
26%inclusion5 decks19 decks
26%synergy
Kassandra, Eagle Bearer
26%inclusion5 decks19 decks
26%synergy
Layla Hassan
26%inclusion5 decks19 decks
25%synergy
Dark Impostor
23%inclusion5 decks22 decks
22%synergy
Kiku, Night's Flower
23%inclusion5 decks22 decks
23%synergy
Humble Defector
23%inclusion5 decks22 decks
20%synergy
Vraska's Finisher
23%inclusion5 decks22 decks
23%synergy
Hooded Assassin
23%inclusion5 decks22 decks
23%synergy
Lae'zel, Vlaakith's Champion
23%inclusion5 decks22 decks
21%synergy
Nekrataal
23%inclusion5 decks22 decks
22%synergy
Poison-Blade Mentor
21%inclusion4 decks19 decks
21%synergy
Desmond Miles
21%inclusion4 decks19 decks
19%synergy
Bayek of Siwa
21%inclusion4 decks19 decks
18%synergy
Bureau Headmaster
21%inclusion4 decks19 decks
20%synergy
Eivor, Battle-Ready
20%inclusion4 decks20 decks
20%synergy
Lurking Deadeye
18%inclusion4 decks22 decks
18%synergy
Ankle Shanker
18%inclusion4 decks22 decks
15%synergy
Stronghold Assassin
18%inclusion4 decks22 decks
18%synergy
Harvester of Souls
18%inclusion4 decks22 decks
15%synergy
Mother of Runes
18%inclusion4 decks22 decks
11%synergy
Stingblade Assassin
18%inclusion4 decks22 decks
18%synergy
Cruel Sadist
18%inclusion4 decks22 decks
18%synergy
Unstoppable Slasher
16%inclusion3 decks19 decks
14%synergy
Alexios, Deimos of Kosmos
16%inclusion3 decks19 decks
14%synergy
Arbaaz Mir
16%inclusion3 decks19 decks
14%synergy
Arno Dorian
16%inclusion3 decks19 decks
14%synergy
The Lord of Pain
16%inclusion3 decks19 decks
15%synergy
Altaïr Ibn-La'Ahad
15%inclusion3 decks20 decks
15%synergy
Olivia, Opulent Outlaw
15%inclusion3 decks20 decks
11%synergy
Magda, the Hoardmaster
15%inclusion3 decks20 decks
13%synergy
Orzhov Euthanist
14%inclusion3 decks22 decks
14%synergy
Puresteel Paladin
14%inclusion3 decks22 decks
10%synergy
Ojer Axonil, Deepest Might
14%inclusion3 decks22 decks
13%synergy
Blood Cultist
14%inclusion3 decks22 decks
13%synergy
Bounty Agent
14%inclusion3 decks22 decks
13%synergy
Silent Assassin
14%inclusion3 decks22 decks
14%synergy
King's Assassin
14%inclusion3 decks22 decks
14%synergy
White Plume Adventurer
14%inclusion3 decks22 decks
12%synergy
Instants
Mortify
36%inclusion8 decks22 decks
21%synergy
Terminate
32%inclusion7 decks22 decks
19%synergy
Swords to Plowshares
32%inclusion7 decks22 decks
-30%synergy
Path to Exile
32%inclusion7 decks22 decks
-15%synergy
Fracture
32%inclusion7 decks22 decks
26%synergy
Boros Charm
27%inclusion6 decks22 decks
-2%synergy
Generous Gift
27%inclusion6 decks22 decks
8%synergy
Murder
23%inclusion5 decks22 decks
20%synergy
Stroke of Midnight
23%inclusion5 decks22 decks
11%synergy
Offer Immortality
18%inclusion4 decks22 decks
17%synergy
Fatal Blow
18%inclusion4 decks22 decks
18%synergy
Bladebrand
18%inclusion4 decks22 decks
18%synergy
Dawn's Truce
16%inclusion3 decks19 decks
9%synergy
Go for the Throat
14%inclusion3 decks22 decks
11%synergy
Malakir Rebirth
14%inclusion3 decks22 decks
8%synergy
Deflecting Swat
14%inclusion3 decks22 decks
-2%synergy
Touch of Moonglove
14%inclusion3 decks22 decks
14%synergy
Deflecting Palm
14%inclusion3 decks22 decks
7%synergy
Shoot the Sheriff
11%inclusion2 decks19 decks
9%synergy
Chain Assassination
11%inclusion2 decks19 decks
10%synergy
Legion Leadership
11%inclusion2 decks19 decks
6%synergy
Battlefield Improvisation
11%inclusion2 decks19 decks
10%synergy
Misthios's Fury
11%inclusion2 decks19 decks
10%synergy
Dire Tactics
9.1%inclusion2 decks22 decks
6%synergy
Dark Ritual
9.1%inclusion2 decks22 decks
-7%synergy
Doom Blade
9.1%inclusion2 decks22 decks
8%synergy
Cast Down
9.1%inclusion2 decks22 decks
9%synergy
Deadly Rollick
9.1%inclusion2 decks22 decks
-2%synergy
Chaos Warp
9.1%inclusion2 decks22 decks
-7%synergy
Whisper of the Dross
9.1%inclusion2 decks22 decks
9%synergy
Grim Affliction
9.1%inclusion2 decks22 decks
9%synergy
Flawless Maneuver
9.1%inclusion2 decks22 decks
-5%synergy
Battle-Rage Blessing
9.1%inclusion2 decks22 decks
9%synergy
Darkness
9.1%inclusion2 decks22 decks
8%synergy
Dawn Charm
9.1%inclusion2 decks22 decks
8%synergy
Anguished Unmaking
9.1%inclusion2 decks22 decks
-25%synergy
Bedevil
9.1%inclusion2 decks22 decks
2%synergy
Despark
9.1%inclusion2 decks22 decks
-5%synergy
Sudden Spoiling
9.1%inclusion2 decks22 decks
8%synergy
Valakut Awakening
9.1%inclusion2 decks22 decks
6%synergy
Redirect Lightning
9.1%inclusion1 decks11 decks
3%synergy
Fell the Profane
5.3%inclusion1 decks19 decks
-1%synergy
Untimely Malfunction
5.3%inclusion1 decks19 decks
0%synergy
Final Showdown
5.0%inclusion1 decks20 decks
3%synergy
Sorceries
Open the Armory
36%inclusion8 decks22 decks
32%synergy
Vandalblast
32%inclusion7 decks22 decks
21%synergy
Restart Sequence
21%inclusion4 decks19 decks
20%synergy
Mythos of Snapdax
18%inclusion4 decks22 decks
12%synergy
Blasphemous Act
18%inclusion4 decks22 decks
-4%synergy
Vindicate
18%inclusion4 decks22 decks
12%synergy
Sign in Blood
18%inclusion4 decks22 decks
10%synergy
Steelshaper's Gift
18%inclusion4 decks22 decks
15%synergy
Overpowering Attack
16%inclusion3 decks19 decks
13%synergy
Painful Truths
14%inclusion3 decks22 decks
5%synergy
Petty Larceny
11%inclusion2 decks19 decks
10%synergy
What Must Be Done
11%inclusion2 decks19 decks
10%synergy
Back in Town
11%inclusion2 decks19 decks
8%synergy
Read the Bones
9.1%inclusion2 decks22 decks
0%synergy
Call of the Death-Dweller
9.1%inclusion2 decks22 decks
9%synergy
Diabolic Tutor
9.1%inclusion2 decks22 decks
3%synergy
Ondu Inversion
9.1%inclusion2 decks22 decks
8%synergy
Merciless Eviction
9.1%inclusion2 decks22 decks
6%synergy
Feed the Swarm
9.1%inclusion2 decks22 decks
4%synergy
Night's Whisper
9.1%inclusion2 decks22 decks
-4%synergy
Unfinished Business
9.1%inclusion2 decks22 decks
8%synergy
Revival // Revenge
9.1%inclusion2 decks22 decks
9%synergy
Reconstruct History
9.1%inclusion2 decks22 decks
8%synergy
Toxic Deluge
9.1%inclusion2 decks22 decks
1%synergy
Damn
9.1%inclusion2 decks22 decks
-9%synergy
Split Up
5.3%inclusion1 decks19 decks
4%synergy
Distract the Guards
5.3%inclusion1 decks19 decks
5%synergy
Fell
5.3%inclusion1 decks19 decks
5%synergy
Molten Duplication
5.3%inclusion1 decks19 decks
3%synergy
Utility Artifacts
Magewright's Stone
32%inclusion7 decks22 decks
31%synergy
Swiftfoot Boots
32%inclusion7 decks22 decks
0%synergy
Brotherhood Regalia
32%inclusion6 decks19 decks
28%synergy
Thousand-Year Elixir
27%inclusion6 decks22 decks
26%synergy
Lightning Greaves
27%inclusion6 decks22 decks
-7%synergy
The Spear of Leonidas
26%inclusion5 decks19 decks
25%synergy
Shadowspear
23%inclusion5 decks22 decks
18%synergy
Gorgon Flail
23%inclusion5 decks22 decks
22%synergy
Raven Clan War-Axe
21%inclusion4 decks19 decks
21%synergy
Hidden Blade
20%inclusion4 decks20 decks
19%synergy
Haystack
20%inclusion4 decks20 decks
19%synergy
Sword of the Animist
18%inclusion4 decks22 decks
9%synergy
Glaring Spotlight
18%inclusion4 decks22 decks
18%synergy
Whispersilk Cloak
18%inclusion4 decks22 decks
13%synergy
Mask of Griselbrand
14%inclusion3 decks22 decks
12%synergy
Illusionist's Bracers
14%inclusion3 decks22 decks
12%synergy
Mithril Coat
14%inclusion3 decks22 decks
8%synergy
Puppet Strings
14%inclusion3 decks22 decks
13%synergy
The Fire Nation Drill
13%inclusion1 decks8 decks
12%synergy
Caduceus, Staff of Hermes
11%inclusion2 decks19 decks
9%synergy
The Animus
10%inclusion2 decks20 decks
9%synergy
Nazgûl Battle-Mace
9.1%inclusion2 decks22 decks
8%synergy
Wayfarer's Bauble
9.1%inclusion2 decks22 decks
0%synergy
Staff of Nin
9.1%inclusion2 decks22 decks
9%synergy
Battlemage's Bracers
9.1%inclusion2 decks22 decks
8%synergy
Sword of Feast and Famine
9.1%inclusion2 decks22 decks
5%synergy
The Reaver Cleaver
9.1%inclusion2 decks22 decks
3%synergy
Robe of Stars
9.1%inclusion2 decks22 decks
8%synergy
Umbral Mantle
9.1%inclusion2 decks22 decks
9%synergy
Door of Destinies
9.1%inclusion2 decks22 decks
6%synergy
Scythe of the Wretched
9.1%inclusion2 decks22 decks
9%synergy
Hunter's Blowgun
9.1%inclusion2 decks22 decks
8%synergy
Herald's Horn
9.1%inclusion2 decks22 decks
3%synergy
Sword of Sinew and Steel
9.1%inclusion2 decks22 decks
8%synergy
Sunforger
9.1%inclusion2 decks22 decks
6%synergy
Dancer's Chakrams
8.3%inclusion1 decks12 decks
8%synergy
Chainsaw
5.3%inclusion1 decks19 decks
5%synergy
Phantom Blade
5.3%inclusion1 decks19 decks
5%synergy
Headsplitter
5.3%inclusion1 decks19 decks
5%synergy
Hookblade
5.3%inclusion1 decks19 decks
5%synergy
Excalibur, Sword of Eden
5.3%inclusion1 decks19 decks
3%synergy
Hidden Footblade
5.3%inclusion1 decks19 decks
5%synergy
Mjölnir, Storm Hammer
5.3%inclusion1 decks19 decks
4%synergy
Enchantments
Death Pits of Rath
36%inclusion8 decks22 decks
36%synergy
Reconnaissance
23%inclusion5 decks22 decks
12%synergy
Sigarda's Aid
23%inclusion5 decks22 decks
20%synergy
Phyrexian Arena
23%inclusion5 decks22 decks
4%synergy
The Revelations of Ezio
21%inclusion4 decks19 decks
21%synergy
Black Market
18%inclusion4 decks22 decks
13%synergy
Forge Anew
18%inclusion4 decks22 decks
16%synergy
Revel in Riches
18%inclusion4 decks22 decks
11%synergy
All-Out Assault
15%inclusion2 decks13 decks
3%synergy
Ghostly Prison
14%inclusion3 decks22 decks
6%synergy
Gift of Immortality
14%inclusion3 decks22 decks
13%synergy
Witch's Mist
14%inclusion3 decks22 decks
14%synergy
Fighter Class
14%inclusion3 decks22 decks
11%synergy
Eternal Thirst
14%inclusion3 decks22 decks
13%synergy
Land Tax
14%inclusion3 decks22 decks
7%synergy
Bleeding Effect
11%inclusion2 decks19 decks
10%synergy
Origin of the Hidden Ones
11%inclusion2 decks19 decks
10%synergy
Fall of the First Civilization
11%inclusion2 decks19 decks
10%synergy
Grave Betrayal
9.1%inclusion2 decks22 decks
9%synergy
Greed
9.1%inclusion2 decks22 decks
8%synergy
Reprobation
9.1%inclusion2 decks22 decks
9%synergy
All Will Be One
9.1%inclusion2 decks22 decks
9%synergy
Aspect of Gorgon
9.1%inclusion2 decks22 decks
9%synergy
Retreat to Hagra
9.1%inclusion2 decks22 decks
9%synergy
Gratuitous Violence
9.1%inclusion2 decks22 decks
8%synergy
Feast of the Victorious Dead
9.1%inclusion2 decks22 decks
8%synergy
Phyresis
9.1%inclusion2 decks22 decks
9%synergy
Shiny Impetus
9.1%inclusion2 decks22 decks
6%synergy
Cover of Darkness
9.1%inclusion2 decks22 decks
6%synergy
Smile at Death
7.1%inclusion1 decks14 decks
5%synergy
Valkyrie's Call
5.9%inclusion1 decks17 decks
5%synergy
Discreet Retreat
5.3%inclusion1 decks19 decks
4%synergy
Sporogenic Infection
5.3%inclusion1 decks19 decks
5%synergy
The Rollercrusher Ride
5.3%inclusion1 decks19 decks
5%synergy
Dazzling Theater // Prop Room
5.3%inclusion1 decks19 decks
3%synergy
Detained by Legionnaires
5.3%inclusion1 decks19 decks
5%synergy
At Knifepoint
5.0%inclusion1 decks20 decks
3%synergy
Utility Lands
Rogue's Passage
64%inclusion14 decks22 decks
40%synergy
Vault of the Archangel
50%inclusion11 decks22 decks
27%synergy
Arcane Lighthouse
41%inclusion9 decks22 decks
40%synergy
Bojuka Bog
27%inclusion6 decks22 decks
-4%synergy
Karn's Bastion
27%inclusion6 decks22 decks
26%synergy
Detection Tower
23%inclusion5 decks22 decks
22%synergy
Reliquary Tower
23%inclusion5 decks22 decks
7%synergy
Axgard Armory
18%inclusion4 decks22 decks
16%synergy
Buried Ruin
9.1%inclusion2 decks22 decks
6%synergy
Temple of the False God
9.1%inclusion2 decks22 decks
3%synergy
Urborg, Tomb of Yawgmoth
9.1%inclusion2 decks22 decks
-4%synergy
Ishgard, the Holy See
8.3%inclusion1 decks12 decks
7%synergy
Mana Artifacts
Sol Ring
95%inclusion21 decks22 decks
7%synergy
Arcane Signet
73%inclusion16 decks22 decks
-13%synergy
Patriar's Seal
41%inclusion9 decks22 decks
39%synergy
Commander's Sphere
23%inclusion5 decks22 decks
8%synergy
Talisman of Hierarchy
23%inclusion5 decks22 decks
-18%synergy
Savai Crystal
23%inclusion5 decks22 decks
21%synergy
Orzhov Signet
23%inclusion5 decks22 decks
-10%synergy
Bounty Board
21%inclusion4 decks19 decks
19%synergy
Talisman of Indulgence
18%inclusion4 decks22 decks
-19%synergy
Rakdos Signet
18%inclusion4 decks22 decks
-12%synergy
Talisman of Conviction
18%inclusion4 decks22 decks
-23%synergy
Fellwar Stone
18%inclusion4 decks22 decks
-10%synergy
Mardu Banner
18%inclusion4 decks22 decks
15%synergy
Chromatic Lantern
14%inclusion3 decks22 decks
2%synergy
Boros Signet
9.1%inclusion2 decks22 decks
-19%synergy
Patchwork Banner
5.3%inclusion1 decks19 decks
0%synergy
Bandit's Haul
5.3%inclusion1 decks19 decks
4%synergy
Lands
Mountain
100%inclusion22 decks22 decks
6%synergy
Plains
100%inclusion22 decks22 decks
5%synergy
Command Tower
100%inclusion22 decks22 decks
8%synergy
Swamp
100%inclusion22 decks22 decks
5%synergy
Path of Ancestry
45%inclusion10 decks22 decks
8%synergy
Nomad Outpost
41%inclusion9 decks22 decks
-18%synergy
Exotic Orchard
41%inclusion9 decks22 decks
-11%synergy
Savai Triome
36%inclusion8 decks22 decks
-2%synergy
Caves of Koilos
32%inclusion7 decks22 decks
-7%synergy
Battlefield Forge
32%inclusion7 decks22 decks
-8%synergy
Brotherhood Headquarters
32%inclusion6 decks19 decks
30%synergy
Vault of Champions
27%inclusion6 decks22 decks
-6%synergy
Smoldering Marsh
27%inclusion6 decks22 decks
-9%synergy
Dragonskull Summit
27%inclusion6 decks22 decks
-24%synergy
Godless Shrine
27%inclusion6 decks22 decks
-20%synergy
Isolated Chapel
23%inclusion5 decks22 decks
-30%synergy
Scrubland
23%inclusion5 decks22 decks
11%synergy
Clifftop Retreat
23%inclusion5 decks22 decks
-28%synergy
Blood Crypt
23%inclusion5 decks22 decks
-21%synergy
Sacred Foundry
23%inclusion5 decks22 decks
-22%synergy
Luxury Suite
23%inclusion5 decks22 decks
-9%synergy
Evolving Wilds
23%inclusion5 decks22 decks
-4%synergy
Spectator Seating
23%inclusion5 decks22 decks
-9%synergy
Forbidden Orchard
18%inclusion4 decks22 decks
16%synergy
Marsh Flats
18%inclusion4 decks22 decks
-13%synergy
Badlands
18%inclusion4 decks22 decks
6%synergy
Sundown Pass
18%inclusion4 decks22 decks
-2%synergy
Temple of Malice
18%inclusion4 decks22 decks
1%synergy
Arid Mesa
18%inclusion4 decks22 decks
-13%synergy
Plateau
18%inclusion4 decks22 decks
6%synergy
Shattered Sanctum
18%inclusion4 decks22 decks
-5%synergy
Temple of Silence
18%inclusion4 decks22 decks
-5%synergy
Sulfurous Springs
18%inclusion4 decks22 decks
-9%synergy
Bloodstained Mire
18%inclusion4 decks22 decks
-14%synergy
Radiant Summit
18%inclusion2 decks11 decks
15%synergy
Orzhov Basilica
14%inclusion3 decks22 decks
-1%synergy
Myriad Landscape
14%inclusion3 decks22 decks
1%synergy
Rakdos Guildgate
14%inclusion3 decks22 decks
11%synergy
Temple of Triumph
14%inclusion3 decks22 decks
-9%synergy
Malakir Rebirth
14%inclusion3 decks22 decks
8%synergy
Haunted Ridge
14%inclusion3 decks22 decks
-6%synergy
Sunbaked Canyon
14%inclusion3 decks22 decks
10%synergy
Sunbillow Verge
13%inclusion2 decks15 decks
4%synergy
Shattered Landscape
11%inclusion2 decks19 decks
-9%synergy
Legion Leadership
11%inclusion2 decks19 decks
6%synergy
Abstergo Entertainment
11%inclusion2 decks19 decks
10%synergy
Rakdos Carnarium
9.1%inclusion2 decks22 decks
-3%synergy
Opal Palace
9.1%inclusion2 decks22 decks
8%synergy
Shadowblood Ridge
9.1%inclusion2 decks22 decks
-6%synergy
Ondu Inversion
9.1%inclusion2 decks22 decks
8%synergy
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