Kelsien, the Plague (Commander)

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

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
Hexing Squelcher
4.1%inclusion28 decks688 decks
-1%synergy
Oft-Nabbed Goat
3.1%inclusion21 decks678 decks
3%synergy
Scarblade's Malice
2.1%inclusion14 decks663 decks
2%synergy
Continue?
1.1%inclusion2 decks177 decks
1%synergy
Swift Demise
1.1%inclusion2 decks177 decks
1%synergy
High Synergy Cards
Basilisk Collar
89%inclusion5.09K decks5.71K decks
85%synergy
Rune of Mortality
74%inclusion4.25K decks5.71K decks
73%synergy
Minthara, Merciless Soul
73%inclusion4.18K decks5.71K decks
72%synergy
Otharri, Suns' Glory
74%inclusion4.22K decks5.71K decks
68%synergy
Vorpal Sword
69%inclusion3.95K decks5.71K decks
67%synergy
Gorgon's Head
66%inclusion3.74K decks5.71K decks
64%synergy
Mari, the Killing Quill
68%inclusion3.90K decks5.71K decks
62%synergy
Drumbellower
62%inclusion3.56K decks5.71K decks
60%synergy
Falthis, Shadowcat Familiar
61%inclusion3.51K decks5.71K decks
60%synergy
Sting, the Glinting Dagger
61%inclusion3.51K decks5.71K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.05K decks5.71K decks
53%synergy
Swiftfoot Boots
61%inclusion3.47K decks5.71K decks
29%synergy
Thornbite Staff
60%inclusion3.42K decks5.71K decks
58%synergy
Shay Cormac
57%inclusion2.95K decks5.13K decks
54%synergy
General's Enforcer
55%inclusion3.16K decks5.71K decks
47%synergy
Open the Armory
53%inclusion3.04K decks5.71K decks
49%synergy
You Are Already Dead
53%inclusion3.02K decks5.71K decks
51%synergy
Swords to Plowshares
50%inclusion2.83K decks5.71K decks
-13%synergy
Gift of Doom
49%inclusion2.78K decks5.71K decks
48%synergy
Gorgon Flail
47%inclusion2.68K decks5.71K decks
46%synergy
Game Changers
Smothering Tithe
20%inclusion1.16K decks5.71K decks
-5%synergy
Teferi's Protection
16%inclusion920 decks5.71K decks
-4%synergy
Enlightened Tutor
16%inclusion915 decks5.71K decks
4%synergy
Demonic Tutor
15%inclusion877 decks5.71K decks
-4%synergy
Vampiric Tutor
10%inclusion548 decks5.71K decks
-5%synergy
Farewell
8.8%inclusion503 decks5.71K decks
-2%synergy
Orcish Bowmasters
8.2%inclusion468 decks5.71K decks
3%synergy
Jeska's Will
6.4%inclusion364 decks5.71K decks
-4%synergy
Creatures
Termination Facilitator
45%inclusion2.57K decks5.71K decks
43%synergy
Lae'zel, Vlaakith's Champion
43%inclusion2.47K decks5.71K decks
41%synergy
Magda, the Hoardmaster
42%inclusion2.36K decks5.56K decks
40%synergy
Daxos the Returned
42%inclusion2.42K decks5.71K decks
41%synergy
Kalemne, Disciple of Iroas
42%inclusion2.39K decks5.71K decks
41%synergy
Maha, Its Feathers Night
42%inclusion2.07K decks4.99K decks
40%synergy
Humble Defector
40%inclusion2.29K decks5.71K decks
38%synergy
Harvester of Souls
38%inclusion2.20K decks5.71K decks
35%synergy
Mathas, Fiend Seeker
37%inclusion2.14K decks5.71K decks
35%synergy
Slaughter Specialist
37%inclusion2.10K decks5.71K decks
36%synergy
White Plume Adventurer
37%inclusion2.10K decks5.71K decks
35%synergy
Void Beckoner
36%inclusion2.04K decks5.71K decks
35%synergy
Taii Wakeen, Perfect Shot
35%inclusion1.96K decks5.54K decks
35%synergy
Mother of Runes
31%inclusion1.76K decks5.71K decks
23%synergy
Archetype of Finality
30%inclusion1.71K decks5.71K decks
29%synergy
Goblin Sharpshooter
30%inclusion1.71K decks5.71K decks
29%synergy
Ertha Jo, Frontier Mentor
29%inclusion1.63K decks5.55K decks
29%synergy
Blood Cultist
26%inclusion1.47K decks5.71K decks
25%synergy
Athreos, Shroud-Veiled
24%inclusion1.35K decks5.71K decks
22%synergy
Puresteel Paladin
24%inclusion1.34K decks5.71K decks
20%synergy
Sun Titan
23%inclusion1.32K decks5.71K decks
13%synergy
Stoneforge Mystic
22%inclusion1.27K decks5.71K decks
19%synergy
Zagras, Thief of Heartbeats
22%inclusion1.25K decks5.71K decks
21%synergy
Esper Sentinel
20%inclusion1.16K decks5.71K decks
2%synergy
Assault Intercessor
20%inclusion1.12K decks5.71K decks
19%synergy
Marvin, Murderous Mimic
20%inclusion891 decks4.55K decks
18%synergy
Queen Marchesa
18%inclusion1.04K decks5.71K decks
12%synergy
Ankle Shanker
18%inclusion1.02K decks5.71K decks
15%synergy
Akiri, Fearless Voyager
16%inclusion922 decks5.71K decks
14%synergy
Deathbringer Thoctar
15%inclusion868 decks5.71K decks
15%synergy
Massacre Girl, Known Killer
15%inclusion859 decks5.71K decks
13%synergy
Cunning Sparkmage
15%inclusion835 decks5.71K decks
14%synergy
Blood Artist
14%inclusion796 decks5.71K decks
-4%synergy
Kratos, Stoic Father
14%inclusion227 decks1.66K decks
13%synergy
Clackbridge Troll
13%inclusion761 decks5.71K decks
13%synergy
Vulshok Sorcerer
13%inclusion718 decks5.71K decks
12%synergy
Solemn Simulacrum
12%inclusion699 decks5.71K decks
-1%synergy
Sram, Senior Edificer
12%inclusion699 decks5.71K decks
9%synergy
Tor Wauki the Younger
12%inclusion694 decks5.71K decks
12%synergy
Zuko, Firebending Master
12%inclusion163 decks1.39K decks
10%synergy
Royal Assassin
12%inclusion664 decks5.71K decks
9%synergy
Grateful Apparition
11%inclusion657 decks5.71K decks
11%synergy
Gisa, Glorious Resurrector
11%inclusion648 decks5.71K decks
10%synergy
Robaran Mercenaries
11%inclusion620 decks5.71K decks
11%synergy
Aang, Airbending Master
11%inclusion216 decks2.02K decks
9%synergy
Azula, Ruthless Firebender
11%inclusion148 decks1.40K decks
10%synergy
Torbran, Thane of Red Fell
11%inclusion603 decks5.71K decks
10%synergy
Bureau Headmaster
10%inclusion532 decks5.12K decks
10%synergy
Stonehewer Giant
10%inclusion573 decks5.71K decks
9%synergy
Qarsi Revenant
8.7%inclusion285 decks3.27K decks
6%synergy
Instants
Boros Charm
44%inclusion2.51K decks5.71K decks
15%synergy
Mirrodin Avenged
41%inclusion2.35K decks5.71K decks
40%synergy
Crackling Doom
38%inclusion2.15K decks5.71K decks
21%synergy
Stroke of Midnight
34%inclusion1.93K decks5.71K decks
22%synergy
Path to Exile
31%inclusion1.76K decks5.71K decks
-16%synergy
Anguished Unmaking
30%inclusion1.74K decks5.71K decks
-4%synergy
Fracture
30%inclusion1.72K decks5.71K decks
24%synergy
Generous Gift
30%inclusion1.69K decks5.71K decks
11%synergy
Despark
23%inclusion1.30K decks5.71K decks
8%synergy
Offer Immortality
22%inclusion1.26K decks5.71K decks
21%synergy
Bladebrand
19%inclusion1.09K decks5.71K decks
19%synergy
Flawless Maneuver
18%inclusion1.05K decks5.71K decks
4%synergy
Mortify
17%inclusion984 decks5.71K decks
2%synergy
Chaos Warp
16%inclusion910 decks5.71K decks
0%synergy
Deflecting Swat
16%inclusion890 decks5.71K decks
0%synergy
Dire Tactics
14%inclusion790 decks5.71K decks
11%synergy
Terminate
14%inclusion775 decks5.71K decks
1%synergy
Dawn's Truce
13%inclusion629 decks4.96K decks
6%synergy
Wear // Tear
12%inclusion699 decks5.71K decks
0%synergy
Rakdos Charm
12%inclusion678 decks5.71K decks
3%synergy
Deflecting Palm
11%inclusion603 decks5.71K decks
4%synergy
Malakir Rebirth
10%inclusion557 decks5.71K decks
4%synergy
Virulent Swipe
9.0%inclusion512 decks5.71K decks
9%synergy
Sejiri Shelter
8.0%inclusion456 decks5.71K decks
6%synergy
Battle-Rage Blessing
7.7%inclusion438 decks5.71K decks
7%synergy
Deadly Rollick
7.5%inclusion431 decks5.71K decks
-3%synergy
Legion Leadership
7.2%inclusion381 decks5.26K decks
3%synergy
Tragic Slip
7.0%inclusion398 decks5.71K decks
6%synergy
Untimely Malfunction
7.0%inclusion318 decks4.57K decks
2%synergy
Toxin Analysis
6.8%inclusion390 decks5.71K decks
7%synergy
Thrill of Possibility
6.8%inclusion386 decks5.71K decks
-1%synergy
Bedevil
6.7%inclusion380 decks5.71K decks
0%synergy
Whisper of the Dross
6.5%inclusion370 decks5.71K decks
6%synergy
Loran's Escape
5.8%inclusion334 decks5.71K decks
4%synergy
Utter End
5.8%inclusion332 decks5.71K decks
1%synergy
Volt Charge
5.8%inclusion329 decks5.71K decks
6%synergy
Touch of Moonglove
5.7%inclusion325 decks5.71K decks
6%synergy
Alesha's Legacy
5.4%inclusion175 decks3.25K decks
4%synergy
Dark Ritual
5.1%inclusion289 decks5.71K decks
-11%synergy
Sorceries
Ruinous Ultimatum
46%inclusion2.61K decks5.71K decks
6%synergy
Steelshaper's Gift
33%inclusion1.90K decks5.71K decks
30%synergy
Mythos of Snapdax
33%inclusion1.90K decks5.71K decks
27%synergy
Painful Truths
29%inclusion1.67K decks5.71K decks
21%synergy
Read the Bones
27%inclusion1.54K decks5.71K decks
18%synergy
Night's Whisper
25%inclusion1.45K decks5.71K decks
12%synergy
Vandalblast
22%inclusion1.28K decks5.71K decks
12%synergy
Call of the Death-Dweller
21%inclusion1.21K decks5.71K decks
21%synergy
Blasphemous Act
21%inclusion1.19K decks5.71K decks
-2%synergy
Sign in Blood
18%inclusion1.04K decks5.71K decks
10%synergy
Drown in Ichor
16%inclusion918 decks5.71K decks
16%synergy
Sevinne's Reclamation
14%inclusion819 decks5.71K decks
7%synergy
Damn
13%inclusion768 decks5.71K decks
-5%synergy
Chandra's Ignition
13%inclusion767 decks5.71K decks
11%synergy
Vindicate
11%inclusion610 decks5.71K decks
5%synergy
Unfinished Business
10%inclusion580 decks5.71K decks
10%synergy
Single Combat
8.9%inclusion508 decks5.71K decks
7%synergy
Faithless Looting
8.8%inclusion501 decks5.71K decks
-7%synergy
Unearth
8.5%inclusion485 decks5.71K decks
6%synergy
Austere Command
8.3%inclusion476 decks5.71K decks
1%synergy
Toxic Deluge
7.9%inclusion454 decks5.71K decks
0%synergy
Diabolic Tutor
6.7%inclusion381 decks5.71K decks
1%synergy
Feed the Swarm
6.1%inclusion346 decks5.71K decks
1%synergy
Reanimate
5.4%inclusion311 decks5.71K decks
-11%synergy
Vat Emergence
5.4%inclusion310 decks5.71K decks
5%synergy
Rip Apart
5.1%inclusion290 decks5.71K decks
4%synergy
Tempt with Bunnies
5.0%inclusion248 decks4.92K decks
4%synergy
Utility Artifacts
Quietus Spike
44%inclusion2.54K decks5.71K decks
43%synergy
Magewright's Stone
41%inclusion2.33K decks5.71K decks
40%synergy
Shadowspear
39%inclusion2.21K decks5.71K decks
34%synergy
Illusionist's Bracers
34%inclusion1.95K decks5.71K decks
32%synergy
Hunter's Blowgun
31%inclusion1.78K decks5.71K decks
31%synergy
Thousand-Year Elixir
29%inclusion1.65K decks5.71K decks
28%synergy
Lightning Greaves
23%inclusion1.31K decks5.71K decks
-11%synergy
Mithril Coat
19%inclusion1.10K decks5.71K decks
14%synergy
Glaring Spotlight
17%inclusion947 decks5.71K decks
16%synergy
Battlemage's Bracers
15%inclusion870 decks5.71K decks
15%synergy
Sword of the Animist
12%inclusion688 decks5.71K decks
3%synergy
Brotherhood Regalia
12%inclusion613 decks5.13K decks
9%synergy
Whispersilk Cloak
11%inclusion641 decks5.71K decks
6%synergy
Wayfarer's Bauble
10%inclusion585 decks5.71K decks
2%synergy
Hammer of Nazahn
9.4%inclusion537 decks5.71K decks
7%synergy
Sword of Truth and Justice
8.9%inclusion511 decks5.71K decks
8%synergy
Puppet Strings
8.9%inclusion509 decks5.71K decks
9%synergy
The Masamune
8.8%inclusion230 decks2.62K decks
8%synergy
Robe of Stars
8.5%inclusion486 decks5.71K decks
8%synergy
Hidden Blade
8.3%inclusion472 decks5.71K decks
7%synergy
Mask of Griselbrand
7.0%inclusion400 decks5.71K decks
6%synergy
Darksteel Plate
6.9%inclusion394 decks5.71K decks
5%synergy
Dragonfire Blade
6.3%inclusion204 decks3.22K decks
5%synergy
The Reaver Cleaver
6.2%inclusion352 decks5.71K decks
0%synergy
Scythe of the Wretched
5.8%inclusion329 decks5.71K decks
6%synergy
Reaper's Talisman
5.6%inclusion322 decks5.71K decks
5%synergy
Sunforger
5.4%inclusion306 decks5.71K decks
2%synergy
Haystack
5.3%inclusion305 decks5.71K decks
4%synergy
Loxodon Warhammer
5.3%inclusion304 decks5.71K decks
3%synergy
Halo Fountain
5.1%inclusion292 decks5.71K decks
5%synergy
Trailblazer's Boots
5.1%inclusion290 decks5.71K decks
3%synergy
Helm of the Host
5.0%inclusion288 decks5.71K decks
-1%synergy
Enchantments
Fighter Class
35%inclusion2.01K decks5.71K decks
32%synergy
Phyrexian Arena
32%inclusion1.84K decks5.71K decks
13%synergy
All-Out Assault
31%inclusion1K decks3.27K decks
18%synergy
Dazzling Theater // Prop Room
27%inclusion1.22K decks4.53K decks
25%synergy
Aspect of Gorgon
27%inclusion1.52K decks5.71K decks
26%synergy
Revel in Riches
22%inclusion1.27K decks5.71K decks
15%synergy
Sigarda's Aid
17%inclusion984 decks5.71K decks
14%synergy
At Knifepoint
17%inclusion955 decks5.55K decks
16%synergy
Black Market
17%inclusion976 decks5.71K decks
12%synergy
Reconnaissance
15%inclusion874 decks5.71K decks
4%synergy
Black Market Connections
15%inclusion867 decks5.71K decks
-1%synergy
Retreat to Hagra
14%inclusion822 decks5.71K decks
14%synergy
Forge Anew
14%inclusion792 decks5.71K decks
11%synergy
Death Pits of Rath
13%inclusion769 decks5.71K decks
13%synergy
Agent of the Shadow Thieves
13%inclusion743 decks5.71K decks
12%synergy
Eternal Thirst
10%inclusion556 decks5.71K decks
9%synergy
Grave Betrayal
8.2%inclusion469 decks5.71K decks
8%synergy
Ghostly Prison
8.1%inclusion464 decks5.71K decks
1%synergy
Nowhere to Run
7.9%inclusion399 decks5.06K decks
7%synergy
Gift of Immortality
7.8%inclusion446 decks5.71K decks
7%synergy
Kaya's Ghostform
7.5%inclusion429 decks5.71K decks
5%synergy
Land Tax
6.7%inclusion385 decks5.71K decks
1%synergy
Trouble in Pairs
6.1%inclusion350 decks5.71K decks
1%synergy
Spiteful Banditry
5.3%inclusion301 decks5.71K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.8%inclusion503 decks5.71K decks
8%synergy
Kaya, Geist Hunter
7.2%inclusion412 decks5.71K decks
3%synergy
Utility Lands
Vault of the Archangel
50%inclusion2.88K decks5.71K decks
28%synergy
Rogue's Passage
50%inclusion2.86K decks5.71K decks
26%synergy
Bojuka Bog
37%inclusion2.13K decks5.71K decks
6%synergy
Arcane Lighthouse
33%inclusion1.89K decks5.71K decks
32%synergy
Detection Tower
25%inclusion1.41K decks5.71K decks
24%synergy
Karn's Bastion
23%inclusion1.30K decks5.71K decks
22%synergy
Axgard Armory
18%inclusion1K decks5.71K decks
16%synergy
Urborg, Tomb of Yawgmoth
13%inclusion726 decks5.71K decks
-1%synergy
Reliquary Tower
12%inclusion697 decks5.71K decks
-3%synergy
Buried Ruin
12%inclusion665 decks5.71K decks
8%synergy
Shizo, Death's Storehouse
10%inclusion592 decks5.71K decks
3%synergy
Urza's Saga
8.3%inclusion474 decks5.71K decks
4%synergy
Sunhome, Fortress of the Legion
8.2%inclusion467 decks5.71K decks
5%synergy
Temple of the False God
7.1%inclusion408 decks5.71K decks
1%synergy
Mana Artifacts
Arcane Signet
86%inclusion4.94K decks5.71K decks
0%synergy
Sol Ring
85%inclusion4.88K decks5.71K decks
-3%synergy
Patriar's Seal
57%inclusion3.26K decks5.71K decks
55%synergy
Orzhov Signet
44%inclusion2.49K decks5.71K decks
11%synergy
Rakdos Signet
40%inclusion2.31K decks5.71K decks
10%synergy
Boros Signet
37%inclusion2.13K decks5.71K decks
9%synergy
Talisman of Hierarchy
36%inclusion2.08K decks5.71K decks
-5%synergy
Talisman of Conviction
34%inclusion1.94K decks5.71K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.69K decks5.71K decks
-7%synergy
Fellwar Stone
25%inclusion1.42K decks5.71K decks
-3%synergy
Bounty Board
21%inclusion1.16K decks5.50K decks
19%synergy
Commander's Sphere
17%inclusion970 decks5.71K decks
2%synergy
Aetheric Amplifier
13%inclusion470 decks3.75K decks
12%synergy
Bandit's Haul
11%inclusion635 decks5.53K decks
10%synergy
Chromatic Lantern
10%inclusion597 decks5.71K decks
-1%synergy
Mind Stone
6.5%inclusion370 decks5.71K decks
-2%synergy
Mardu Banner
5.5%inclusion313 decks5.71K decks
2%synergy
Savai Crystal
5.2%inclusion297 decks5.71K decks
4%synergy
Lands
Plains
97%inclusion5.55K decks5.71K decks
2%synergy
Swamp
97%inclusion5.55K decks5.71K decks
2%synergy
Mountain
96%inclusion5.48K decks5.71K decks
2%synergy
Command Tower
93%inclusion5.32K decks5.71K decks
1%synergy
Nomad Outpost
66%inclusion3.78K decks5.71K decks
8%synergy
Exotic Orchard
57%inclusion3.28K decks5.71K decks
5%synergy
Isolated Chapel
53%inclusion3.04K decks5.71K decks
1%synergy
Dragonskull Summit
52%inclusion2.95K decks5.71K decks
0%synergy
Clifftop Retreat
51%inclusion2.92K decks5.71K decks
1%synergy
Savai Triome
48%inclusion2.74K decks5.71K decks
10%synergy
Godless Shrine
46%inclusion2.66K decks5.71K decks
-1%synergy
Sacred Foundry
44%inclusion2.54K decks5.71K decks
0%synergy
Blood Crypt
44%inclusion2.50K decks5.71K decks
0%synergy
Caves of Koilos
40%inclusion2.31K decks5.71K decks
1%synergy
Battlefield Forge
38%inclusion2.19K decks5.71K decks
-2%synergy
Vault of Champions
38%inclusion2.18K decks5.71K decks
5%synergy
Spectator Seating
37%inclusion2.10K decks5.71K decks
5%synergy
Forbidden Orchard
36%inclusion2.07K decks5.71K decks
34%synergy
Luxury Suite
34%inclusion1.97K decks5.71K decks
3%synergy
Smoldering Marsh
34%inclusion1.96K decks5.71K decks
-2%synergy
Marsh Flats
28%inclusion1.62K decks5.71K decks
-3%synergy
Bloodstained Mire
28%inclusion1.61K decks5.71K decks
-4%synergy
Arid Mesa
28%inclusion1.60K decks5.71K decks
-3%synergy
Evolving Wilds
27%inclusion1.57K decks5.71K decks
1%synergy
Sulfurous Springs
24%inclusion1.39K decks5.71K decks
-3%synergy
Path of Ancestry
24%inclusion1.38K decks5.71K decks
-14%synergy
Sundown Pass
23%inclusion1.32K decks5.71K decks
3%synergy
Shattered Sanctum
23%inclusion1.30K decks5.71K decks
-1%synergy
Shattered Landscape
22%inclusion1.14K decks5.22K decks
3%synergy
Haunted Ridge
21%inclusion1.20K decks5.71K decks
1%synergy
Temple of Silence
20%inclusion1.17K decks5.71K decks
-2%synergy
Temple of Triumph
19%inclusion1.10K decks5.71K decks
-3%synergy
Orzhov Basilica
19%inclusion1.08K decks5.71K decks
5%synergy
Terramorphic Expanse
18%inclusion1.02K decks5.71K decks
-2%synergy
Boros Garrison
17%inclusion966 decks5.71K decks
4%synergy
Rakdos Carnarium
16%inclusion924 decks5.71K decks
4%synergy
Temple of Malice
16%inclusion902 decks5.71K decks
-1%synergy
Fetid Heath
15%inclusion864 decks5.71K decks
-5%synergy
Rugged Prairie
13%inclusion764 decks5.71K decks
-3%synergy
Myriad Landscape
13%inclusion745 decks5.71K decks
1%synergy
Brightclimb Pathway
12%inclusion714 decks5.71K decks
4%synergy
Shadowblood Ridge
12%inclusion674 decks5.71K decks
-4%synergy
Needleverge Pathway
11%inclusion630 decks5.71K decks
3%synergy
Scrubland
11%inclusion607 decks5.71K decks
-1%synergy
Badlands
11%inclusion601 decks5.71K decks
-2%synergy
Plateau
11%inclusion601 decks5.71K decks
-2%synergy
Blightstep Pathway
10%inclusion594 decks5.71K decks
2%synergy
Tainted Field
10%inclusion581 decks5.71K decks
-2%synergy
Blazemire Verge
10%inclusion447 decks4.58K decks
-2%synergy
Malakir Rebirth
10%inclusion557 decks5.71K decks
4%synergy