Altaïr, Brotherhood Mentor (Commander) - Core

Original Name:

Kelsien, the PlagueKelsien, the Plague

Background image for Rebuilding Kelsien, the Plague with Avatar: The Last Airbender Eternal
Ezra Sassaman
Nov 20, 2025
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.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Adept Watershaper
3.0%inclusion2 decks66 decks
2%synergy
Oft-Nabbed Goat
2.9%inclusion2 decks68 decks
2%synergy
Kinscaer Sentry
1.5%inclusion1 decks66 decks
-1%synergy
Unbury
1.5%inclusion1 decks67 decks
1%synergy
Abundant Countryside
1.5%inclusion1 decks68 decks
1%synergy
High Synergy Cards
Basilisk Collar
84%inclusion635 decks754 decks
80%synergy
Minthara, Merciless Soul
78%inclusion589 decks754 decks
76%synergy
Rune of Mortality
74%inclusion556 decks754 decks
72%synergy
Otharri, Suns' Glory
78%inclusion585 decks754 decks
72%synergy
Vorpal Sword
66%inclusion495 decks754 decks
63%synergy
Gorgon's Head
63%inclusion472 decks754 decks
61%synergy
Falthis, Shadowcat Familiar
63%inclusion472 decks754 decks
61%synergy
You Are Already Dead
61%inclusion461 decks754 decks
59%synergy
Mari, the Killing Quill
65%inclusion488 decks754 decks
58%synergy
Sting, the Glinting Dagger
59%inclusion448 decks754 decks
58%synergy
Top Cards
Morbid Opportunist
74%inclusion558 decks754 decks
56%synergy
Drumbellower
57%inclusion427 decks754 decks
55%synergy
General's Enforcer
56%inclusion426 decks754 decks
48%synergy
Swiftfoot Boots
55%inclusion418 decks754 decks
24%synergy
Shay Cormac
55%inclusion360 decks650 decks
52%synergy
Humble Defector
48%inclusion364 decks754 decks
46%synergy
Mirrodin Avenged
48%inclusion362 decks754 decks
47%synergy
Gift of Doom
47%inclusion355 decks754 decks
46%synergy
Termination Facilitator
47%inclusion353 decks754 decks
45%synergy
Kalemne, Disciple of Iroas
47%inclusion351 decks754 decks
46%synergy
Game Changers
Farewell
5.4%inclusion41 decks754 decks
-5%synergy
Creatures
Mathas, Fiend Seeker
45%inclusion337 decks754 decks
43%synergy
Slaughter Specialist
44%inclusion335 decks754 decks
43%synergy
Lae'zel, Vlaakith's Champion
44%inclusion328 decks754 decks
42%synergy
Harvester of Souls
42%inclusion314 decks754 decks
38%synergy
Taii Wakeen, Perfect Shot
41%inclusion297 decks726 decks
40%synergy
Daxos the Returned
40%inclusion305 decks754 decks
40%synergy
Magda, the Hoardmaster
39%inclusion284 decks726 decks
37%synergy
White Plume Adventurer
37%inclusion280 decks754 decks
36%synergy
Archetype of Finality
37%inclusion276 decks754 decks
36%synergy
Void Beckoner
37%inclusion276 decks754 decks
36%synergy
Blood Cultist
32%inclusion245 decks754 decks
32%synergy
Ertha Jo, Frontier Mentor
32%inclusion234 decks726 decks
32%synergy
Maha, Its Feathers Night
32%inclusion197 decks624 decks
30%synergy
Zagras, Thief of Heartbeats
29%inclusion219 decks754 decks
28%synergy
Sun Titan
27%inclusion205 decks754 decks
17%synergy
Ankle Shanker
27%inclusion200 decks754 decks
23%synergy
Mother of Runes
24%inclusion182 decks754 decks
17%synergy
Assault Intercessor
22%inclusion165 decks754 decks
21%synergy
Goblin Sharpshooter
22%inclusion164 decks754 decks
21%synergy
Clackbridge Troll
21%inclusion159 decks754 decks
21%synergy
Cunning Sparkmage
21%inclusion157 decks754 decks
21%synergy
Athreos, Shroud-Veiled
21%inclusion156 decks754 decks
19%synergy
Marvin, Murderous Mimic
20%inclusion115 decks569 decks
19%synergy
Queen Marchesa
20%inclusion152 decks754 decks
14%synergy
Deathbringer Thoctar
20%inclusion148 decks754 decks
19%synergy
Tor Wauki the Younger
19%inclusion140 decks754 decks
18%synergy
Vulshok Sorcerer
18%inclusion136 decks754 decks
18%synergy
Akiri, Fearless Voyager
17%inclusion130 decks754 decks
15%synergy
Robaran Mercenaries
16%inclusion122 decks754 decks
16%synergy
Solemn Simulacrum
16%inclusion120 decks754 decks
3%synergy
Grateful Apparition
15%inclusion112 decks754 decks
15%synergy
Puresteel Paladin
15%inclusion110 decks754 decks
11%synergy
Massacre Girl, Known Killer
15%inclusion110 decks754 decks
12%synergy
Royal Assassin
14%inclusion104 decks754 decks
11%synergy
Torbran, Thane of Red Fell
13%inclusion99 decks754 decks
13%synergy
Onyx Mage
12%inclusion94 decks754 decks
12%synergy
Blood Artist
12%inclusion88 decks754 decks
-6%synergy
Rakdos Ickspitter
11%inclusion86 decks754 decks
11%synergy
Gisa, Glorious Resurrector
10%inclusion79 decks754 decks
10%synergy
Jirina, Dauntless General
10%inclusion76 decks754 decks
8%synergy
Aang, Airbending Master
10%inclusion18 decks187 decks
8%synergy
Azula, Ruthless Firebender
9.4%inclusion12 decks128 decks
9%synergy
Bureau Headmaster
9.3%inclusion60 decks646 decks
9%synergy
Norn's Choirmaster
9.0%inclusion68 decks754 decks
9%synergy
Kratos, Stoic Father
8.9%inclusion14 decks157 decks
9%synergy
Sram, Senior Edificer
8.6%inclusion65 decks754 decks
6%synergy
Prodigal Pyromancer
8.2%inclusion62 decks754 decks
8%synergy
Zuko, Firebending Master
7.9%inclusion10 decks127 decks
6%synergy
Akroan Horse
7.8%inclusion59 decks754 decks
8%synergy
Esper Sentinel
7.4%inclusion56 decks754 decks
-11%synergy
Instants
Crackling Doom
46%inclusion348 decks754 decks
29%synergy
Swords to Plowshares
44%inclusion331 decks754 decks
-18%synergy
Boros Charm
38%inclusion286 decks754 decks
9%synergy
Stroke of Midnight
34%inclusion259 decks754 decks
23%synergy
Fracture
32%inclusion239 decks754 decks
26%synergy
Despark
30%inclusion224 decks754 decks
15%synergy
Offer Immortality
29%inclusion215 decks754 decks
28%synergy
Generous Gift
28%inclusion213 decks754 decks
9%synergy
Path to Exile
27%inclusion200 decks754 decks
-20%synergy
Bladebrand
26%inclusion196 decks754 decks
25%synergy
Anguished Unmaking
24%inclusion182 decks754 decks
-10%synergy
Terminate
20%inclusion154 decks754 decks
8%synergy
Mortify
19%inclusion146 decks754 decks
4%synergy
Dire Tactics
19%inclusion142 decks754 decks
16%synergy
Chaos Warp
14%inclusion109 decks754 decks
-2%synergy
Virulent Swipe
13%inclusion99 decks754 decks
13%synergy
Wear // Tear
12%inclusion92 decks754 decks
0%synergy
Rakdos Charm
12%inclusion91 decks754 decks
3%synergy
Flawless Maneuver
12%inclusion87 decks754 decks
-3%synergy
Toxin Analysis
11%inclusion81 decks754 decks
11%synergy
Battle-Rage Blessing
11%inclusion80 decks754 decks
10%synergy
Tragic Slip
10%inclusion75 decks754 decks
9%synergy
Thrill of Possibility
10%inclusion73 decks754 decks
2%synergy
Bedevil
10%inclusion72 decks754 decks
3%synergy
Dawn's Truce
9.5%inclusion59 decks623 decks
2%synergy
Volt Charge
9.3%inclusion70 decks754 decks
9%synergy
Deflecting Palm
8.8%inclusion66 decks754 decks
2%synergy
Whisper of the Dross
8.6%inclusion65 decks754 decks
8%synergy
Malakir Rebirth
8.1%inclusion61 decks754 decks
3%synergy
Sejiri Shelter
7.6%inclusion57 decks754 decks
5%synergy
Legion Leadership
7.5%inclusion51 decks676 decks
3%synergy
Touch of Moonglove
7.3%inclusion55 decks754 decks
7%synergy
Utter End
6.8%inclusion51 decks754 decks
2%synergy
Untimely Malfunction
6.4%inclusion37 decks576 decks
1%synergy
Inevitable Defeat
5.4%inclusion19 decks353 decks
-1%synergy
To Arms!
5.2%inclusion39 decks754 decks
5%synergy
Alchemist's Gift
5.0%inclusion38 decks754 decks
5%synergy
Sorceries
Open the Armory
44%inclusion329 decks754 decks
39%synergy
Ruinous Ultimatum
41%inclusion312 decks754 decks
2%synergy
Mythos of Snapdax
37%inclusion282 decks754 decks
32%synergy
Painful Truths
35%inclusion265 decks754 decks
27%synergy
Read the Bones
32%inclusion241 decks754 decks
23%synergy
Call of the Death-Dweller
28%inclusion209 decks754 decks
27%synergy
Night's Whisper
23%inclusion170 decks754 decks
10%synergy
Drown in Ichor
22%inclusion168 decks754 decks
22%synergy
Sign in Blood
22%inclusion163 decks754 decks
14%synergy
Blasphemous Act
17%inclusion129 decks754 decks
-6%synergy
Vandalblast
16%inclusion121 decks754 decks
5%synergy
Steelshaper's Gift
14%inclusion106 decks754 decks
11%synergy
Vindicate
13%inclusion98 decks754 decks
7%synergy
Sevinne's Reclamation
13%inclusion97 decks754 decks
5%synergy
Unfinished Business
12%inclusion90 decks754 decks
11%synergy
Damn
12%inclusion90 decks754 decks
-6%synergy
Single Combat
10%inclusion78 decks754 decks
9%synergy
Unearth
10%inclusion74 decks754 decks
8%synergy
Austere Command
10%inclusion74 decks754 decks
2%synergy
Vat Emergence
10%inclusion72 decks754 decks
9%synergy
Chandra's Ignition
9.3%inclusion70 decks754 decks
7%synergy
Faithless Looting
8.9%inclusion67 decks754 decks
-6%synergy
Feed the Swarm
8.4%inclusion63 decks754 decks
3%synergy
Rip Apart
6.6%inclusion50 decks754 decks
6%synergy
Ambition's Cost
5.7%inclusion43 decks754 decks
4%synergy
Tempt with Bunnies
5.3%inclusion33 decks617 decks
5%synergy
Utility Artifacts
Gorgon Flail
44%inclusion328 decks754 decks
43%synergy
Quietus Spike
43%inclusion326 decks754 decks
42%synergy
Thornbite Staff
43%inclusion324 decks754 decks
42%synergy
Hunter's Blowgun
33%inclusion251 decks754 decks
33%synergy
Magewright's Stone
32%inclusion245 decks754 decks
31%synergy
Illusionist's Bracers
28%inclusion209 decks754 decks
26%synergy
Shadowspear
26%inclusion193 decks754 decks
21%synergy
Thousand-Year Elixir
25%inclusion186 decks754 decks
24%synergy
Glaring Spotlight
17%inclusion125 decks754 decks
16%synergy
Wayfarer's Bauble
16%inclusion119 decks754 decks
7%synergy
Battlemage's Bracers
16%inclusion118 decks754 decks
15%synergy
Lightning Greaves
15%inclusion111 decks754 decks
-20%synergy
Puppet Strings
12%inclusion93 decks754 decks
12%synergy
Whispersilk Cloak
12%inclusion88 decks754 decks
6%synergy
Brotherhood Regalia
11%inclusion70 decks649 decks
8%synergy
Mithril Coat
11%inclusion81 decks754 decks
5%synergy
Hidden Blade
9.3%inclusion70 decks752 decks
9%synergy
Mask of Griselbrand
8.2%inclusion62 decks754 decks
7%synergy
Loxodon Warhammer
7.2%inclusion54 decks754 decks
5%synergy
Reaper's Talisman
6.9%inclusion52 decks754 decks
6%synergy
Sword of the Animist
6.6%inclusion50 decks754 decks
-3%synergy
Dragonfire Blade
6.1%inclusion19 decks311 decks
5%synergy
Sword of Truth and Justice
5.8%inclusion44 decks754 decks
5%synergy
Contagion Clasp
5.6%inclusion42 decks754 decks
5%synergy
Halo Fountain
5.3%inclusion40 decks754 decks
5%synergy
The Masamune
5.1%inclusion12 decks237 decks
4%synergy
Enchantments
Aspect of Gorgon
31%inclusion231 decks754 decks
30%synergy
Dazzling Theater // Prop Room
30%inclusion168 decks565 decks
28%synergy
Phyrexian Arena
28%inclusion208 decks754 decks
9%synergy
Fighter Class
26%inclusion196 decks754 decks
23%synergy
All-Out Assault
23%inclusion74 decks316 decks
11%synergy
At Knifepoint
22%inclusion162 decks726 decks
21%synergy
Retreat to Hagra
19%inclusion145 decks754 decks
19%synergy
Death Pits of Rath
17%inclusion125 decks754 decks
16%synergy
Agent of the Shadow Thieves
16%inclusion118 decks754 decks
15%synergy
Black Market
15%inclusion111 decks754 decks
9%synergy
Reconnaissance
14%inclusion108 decks754 decks
3%synergy
Revel in Riches
13%inclusion100 decks754 decks
6%synergy
Eternal Thirst
12%inclusion90 decks754 decks
12%synergy
Forge Anew
10%inclusion75 decks754 decks
8%synergy
Nowhere to Run
8.7%inclusion55 decks633 decks
8%synergy
Black Market Connections
8.5%inclusion64 decks754 decks
-7%synergy
Sigarda's Aid
7.7%inclusion58 decks754 decks
5%synergy
Kaya's Ghostform
7.7%inclusion58 decks754 decks
6%synergy
Grave Betrayal
7.4%inclusion56 decks754 decks
7%synergy
Glasswing Grace
6.8%inclusion46 decks678 decks
5%synergy
Life Insurance
5.8%inclusion44 decks754 decks
3%synergy
Feast of the Victorious Dead
5.7%inclusion43 decks754 decks
5%synergy
Gift of Immortality
5.4%inclusion41 decks754 decks
4%synergy
Planeswalkers
Kaya, Geist Hunter
8.9%inclusion67 decks754 decks
5%synergy
Vraska, Betrayal's Sting
8.5%inclusion64 decks754 decks
8%synergy
Dihada, Binder of Wills
7.2%inclusion54 decks754 decks
3%synergy
Utility Lands
Vault of the Archangel
53%inclusion402 decks754 decks
31%synergy
Rogue's Passage
53%inclusion396 decks754 decks
29%synergy
Bojuka Bog
36%inclusion272 decks754 decks
5%synergy
Arcane Lighthouse
27%inclusion207 decks754 decks
26%synergy
Detection Tower
25%inclusion185 decks754 decks
24%synergy
Karn's Bastion
24%inclusion182 decks754 decks
23%synergy
Axgard Armory
17%inclusion125 decks754 decks
15%synergy
Sunhome, Fortress of the Legion
10%inclusion79 decks754 decks
7%synergy
Buried Ruin
10%inclusion73 decks754 decks
6%synergy
Temple of the False God
7.7%inclusion58 decks754 decks
1%synergy
Reliquary Tower
7.4%inclusion56 decks754 decks
-8%synergy
Shizo, Death's Storehouse
6.0%inclusion45 decks754 decks
-1%synergy
Urborg, Tomb of Yawgmoth
5.0%inclusion38 decks754 decks
-9%synergy
Mana Artifacts
Arcane Signet
87%inclusion656 decks754 decks
1%synergy
Sol Ring
80%inclusion600 decks754 decks
-9%synergy
Patriar's Seal
59%inclusion446 decks754 decks
57%synergy
Orzhov Signet
53%inclusion401 decks754 decks
21%synergy
Rakdos Signet
50%inclusion376 decks754 decks
20%synergy
Boros Signet
46%inclusion348 decks754 decks
18%synergy
Talisman of Hierarchy
32%inclusion239 decks754 decks
-9%synergy
Talisman of Conviction
32%inclusion239 decks754 decks
-10%synergy
Talisman of Indulgence
25%inclusion188 decks754 decks
-12%synergy
Fellwar Stone
24%inclusion184 decks754 decks
-4%synergy
Bounty Board
22%inclusion161 decks719 decks
20%synergy
Commander's Sphere
22%inclusion165 decks754 decks
7%synergy
Bandit's Haul
12%inclusion88 decks723 decks
11%synergy
Aetheric Amplifier
11%inclusion45 decks401 decks
11%synergy
Chromatic Lantern
7.8%inclusion59 decks754 decks
-4%synergy
Mardu Banner
7.3%inclusion55 decks754 decks
4%synergy
Savai Crystal
7.2%inclusion54 decks754 decks
6%synergy
Mind Stone
6.2%inclusion47 decks754 decks
-2%synergy
Staff of Compleation
5.8%inclusion44 decks754 decks
6%synergy
Lands
Swamp
99%inclusion745 decks754 decks
4%synergy
Plains
99%inclusion744 decks754 decks
4%synergy
Mountain
98%inclusion740 decks754 decks
4%synergy
Command Tower
93%inclusion699 decks754 decks
0%synergy
Nomad Outpost
76%inclusion572 decks754 decks
17%synergy
Exotic Orchard
62%inclusion471 decks754 decks
11%synergy
Clifftop Retreat
49%inclusion366 decks754 decks
-2%synergy
Dragonskull Summit
48%inclusion362 decks754 decks
-4%synergy
Isolated Chapel
48%inclusion361 decks754 decks
-5%synergy
Smoldering Marsh
43%inclusion327 decks754 decks
7%synergy
Caves of Koilos
43%inclusion322 decks754 decks
3%synergy
Battlefield Forge
42%inclusion315 decks754 decks
2%synergy
Evolving Wilds
39%inclusion292 decks754 decks
12%synergy
Savai Triome
37%inclusion281 decks754 decks
-1%synergy
Forbidden Orchard
34%inclusion258 decks754 decks
32%synergy
Shattered Landscape
31%inclusion210 decks672 decks
12%synergy
Godless Shrine
28%inclusion214 decks754 decks
-19%synergy
Vault of Champions
28%inclusion213 decks754 decks
-5%synergy
Temple of Silence
28%inclusion212 decks754 decks
5%synergy
Path of Ancestry
28%inclusion211 decks754 decks
-10%synergy
Orzhov Basilica
27%inclusion205 decks754 decks
13%synergy
Spectator Seating
27%inclusion203 decks754 decks
-5%synergy
Blood Crypt
27%inclusion202 decks754 decks
-17%synergy
Sacred Foundry
27%inclusion202 decks754 decks
-18%synergy
Temple of Triumph
26%inclusion198 decks754 decks
4%synergy
Luxury Suite
26%inclusion196 decks754 decks
-6%synergy
Terramorphic Expanse
26%inclusion195 decks754 decks
6%synergy
Rakdos Carnarium
25%inclusion191 decks754 decks
13%synergy
Boros Garrison
25%inclusion186 decks754 decks
12%synergy
Sulfurous Springs
22%inclusion166 decks754 decks
-5%synergy
Temple of Malice
21%inclusion161 decks754 decks
4%synergy
Myriad Landscape
20%inclusion148 decks754 decks
7%synergy
Sundown Pass
19%inclusion147 decks754 decks
-1%synergy
Shadowblood Ridge
19%inclusion140 decks754 decks
3%synergy
Shattered Sanctum
18%inclusion134 decks754 decks
-6%synergy
Haunted Ridge
18%inclusion132 decks754 decks
-2%synergy
Tainted Field
16%inclusion117 decks754 decks
4%synergy
Marsh Flats
15%inclusion116 decks754 decks
-16%synergy
Arid Mesa
14%inclusion106 decks754 decks
-17%synergy
Bloodstained Mire
14%inclusion105 decks754 decks
-19%synergy
Rugged Prairie
13%inclusion97 decks754 decks
-4%synergy
Fetid Heath
13%inclusion95 decks754 decks
-8%synergy
Foreboding Ruins
12%inclusion90 decks754 decks
1%synergy
Shineshadow Snarl
10%inclusion79 decks754 decks
1%synergy
Furycalm Snarl
10%inclusion78 decks754 decks
1%synergy
Bloodfell Caves
10%inclusion75 decks754 decks
1%synergy
Scoured Barrens
9.3%inclusion70 decks754 decks
0%synergy
Tainted Peak
8.2%inclusion62 decks754 decks
-2%synergy
Wind-Scarred Crag
8.1%inclusion61 decks754 decks
0%synergy
Malakir Rebirth
8.1%inclusion61 decks754 decks
3%synergy