Altaïr, Brotherhood Mentor (Commander)

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
Swift Demise
5.5%inclusion42 decks763 decks
5%synergy
Pain 101
2.2%inclusion16 decks741 decks
2%synergy
Scathing Shadelock
2.1%inclusion3 decks144 decks
2%synergy
Hidden Hideout
1.6%inclusion12 decks763 decks
1%synergy
Stensian Sanguinist
1.5%inclusion4 decks261 decks
1%synergy
High Synergy Cards
Basilisk Collar
89%inclusion5.22K decks5.87K decks
85%synergy
Rune of Mortality
74%inclusion4.35K decks5.87K decks
73%synergy
Minthara, Merciless Soul
73%inclusion4.29K decks5.87K decks
72%synergy
Otharri, Suns' Glory
74%inclusion4.31K decks5.87K decks
68%synergy
Vorpal Sword
69%inclusion4.04K decks5.87K decks
67%synergy
Gorgon's Head
66%inclusion3.85K decks5.87K decks
64%synergy
Mari, the Killing Quill
68%inclusion4K decks5.87K decks
62%synergy
Drumbellower
62%inclusion3.64K decks5.87K decks
60%synergy
Falthis, Shadowcat Familiar
61%inclusion3.60K decks5.87K decks
60%synergy
Sting, the Glinting Dagger
62%inclusion3.62K decks5.87K decks
60%synergy
Top Cards
Morbid Opportunist
71%inclusion4.16K decks5.87K decks
53%synergy
Thornbite Staff
61%inclusion3.56K decks5.87K decks
59%synergy
Swiftfoot Boots
61%inclusion3.55K decks5.87K decks
29%synergy
Shay Cormac
58%inclusion3.21K decks5.55K decks
55%synergy
General's Enforcer
55%inclusion3.24K decks5.87K decks
47%synergy
Open the Armory
53%inclusion3.11K decks5.87K decks
49%synergy
You Are Already Dead
53%inclusion3.08K decks5.87K decks
51%synergy
Swords to Plowshares
50%inclusion2.91K decks5.87K decks
-12%synergy
Gift of Doom
48%inclusion2.83K decks5.87K decks
47%synergy
Gorgon Flail
47%inclusion2.78K decks5.87K decks
47%synergy
Game Changers
Smothering Tithe
20%inclusion1.15K decks5.87K decks
-5%synergy
Enlightened Tutor
16%inclusion935 decks5.87K decks
4%synergy
Teferi's Protection
16%inclusion925 decks5.87K decks
-4%synergy
Demonic Tutor
15%inclusion893 decks5.87K decks
-4%synergy
Vampiric Tutor
9.5%inclusion556 decks5.87K decks
-5%synergy
Farewell
8.5%inclusion498 decks5.87K decks
-2%synergy
Orcish Bowmasters
8.0%inclusion469 decks5.87K decks
3%synergy
Jeska's Will
6.2%inclusion365 decks5.87K decks
-4%synergy
Creatures
Termination Facilitator
45%inclusion2.66K decks5.87K decks
44%synergy
Magda, the Hoardmaster
44%inclusion2.57K decks5.87K decks
42%synergy
Lae'zel, Vlaakith's Champion
43%inclusion2.55K decks5.87K decks
42%synergy
Daxos the Returned
42%inclusion2.46K decks5.87K decks
41%synergy
Maha, Its Feathers Night
41%inclusion2.24K decks5.40K decks
40%synergy
Kalemne, Disciple of Iroas
41%inclusion2.41K decks5.87K decks
40%synergy
Humble Defector
40%inclusion2.33K decks5.87K decks
37%synergy
Mathas, Fiend Seeker
38%inclusion2.22K decks5.87K decks
36%synergy
Harvester of Souls
38%inclusion2.21K decks5.87K decks
35%synergy
White Plume Adventurer
37%inclusion2.15K decks5.87K decks
35%synergy
Taii Wakeen, Perfect Shot
36%inclusion2.12K decks5.87K decks
35%synergy
Slaughter Specialist
36%inclusion2.11K decks5.87K decks
35%synergy
Void Beckoner
35%inclusion2.04K decks5.87K decks
34%synergy
Mother of Runes
31%inclusion1.82K decks5.87K decks
24%synergy
Goblin Sharpshooter
30%inclusion1.78K decks5.87K decks
30%synergy
Ertha Jo, Frontier Mentor
30%inclusion1.75K decks5.87K decks
29%synergy
Archetype of Finality
29%inclusion1.71K decks5.87K decks
28%synergy
Blood Cultist
25%inclusion1.48K decks5.87K decks
25%synergy
Puresteel Paladin
24%inclusion1.39K decks5.87K decks
20%synergy
Athreos, Shroud-Veiled
24%inclusion1.38K decks5.87K decks
22%synergy
Stoneforge Mystic
22%inclusion1.30K decks5.87K decks
19%synergy
Sun Titan
22%inclusion1.29K decks5.87K decks
11%synergy
Zagras, Thief of Heartbeats
21%inclusion1.23K decks5.87K decks
20%synergy
Marvin, Murderous Mimic
20%inclusion1K decks4.97K decks
19%synergy
Esper Sentinel
20%inclusion1.18K decks5.87K decks
2%synergy
Assault Intercessor
20%inclusion1.16K decks5.87K decks
19%synergy
Queen Marchesa
18%inclusion1.08K decks5.87K decks
12%synergy
Ankle Shanker
17%inclusion1.01K decks5.87K decks
14%synergy
Akiri, Fearless Voyager
16%inclusion911 decks5.87K decks
13%synergy
Deathbringer Thoctar
15%inclusion898 decks5.87K decks
15%synergy
Massacre Girl, Known Killer
15%inclusion855 decks5.87K decks
12%synergy
Kratos, Stoic Father
15%inclusion309 decks2.12K decks
14%synergy
Cunning Sparkmage
14%inclusion837 decks5.87K decks
14%synergy
Blood Artist
14%inclusion803 decks5.87K decks
-4%synergy
Clackbridge Troll
13%inclusion756 decks5.87K decks
12%synergy
Vulshok Sorcerer
12%inclusion708 decks5.87K decks
12%synergy
Tor Wauki the Younger
12%inclusion696 decks5.87K decks
12%synergy
Solemn Simulacrum
12%inclusion693 decks5.87K decks
-1%synergy
Sram, Senior Edificer
12%inclusion693 decks5.87K decks
9%synergy
Zuko, Firebending Master
12%inclusion217 decks1.86K decks
10%synergy
Royal Assassin
11%inclusion666 decks5.87K decks
8%synergy
Grateful Apparition
11%inclusion658 decks5.87K decks
11%synergy
Gisa, Glorious Resurrector
11%inclusion652 decks5.87K decks
10%synergy
Aang, Airbending Master
11%inclusion275 decks2.48K decks
10%synergy
Azula, Ruthless Firebender
11%inclusion206 decks1.87K decks
11%synergy
Robaran Mercenaries
10%inclusion615 decks5.87K decks
10%synergy
Torbran, Thane of Red Fell
10%inclusion600 decks5.87K decks
10%synergy
Bureau Headmaster
10%inclusion551 decks5.53K decks
9%synergy
Stonehewer Giant
10%inclusion572 decks5.87K decks
9%synergy
Qarsi Revenant
8.8%inclusion325 decks3.70K decks
6%synergy
Instants
Boros Charm
44%inclusion2.59K decks5.87K decks
15%synergy
Mirrodin Avenged
41%inclusion2.39K decks5.87K decks
40%synergy
Crackling Doom
37%inclusion2.19K decks5.87K decks
20%synergy
Stroke of Midnight
34%inclusion1.97K decks5.87K decks
22%synergy
Path to Exile
31%inclusion1.84K decks5.87K decks
-15%synergy
Anguished Unmaking
31%inclusion1.81K decks5.87K decks
-3%synergy
Fracture
30%inclusion1.76K decks5.87K decks
24%synergy
Generous Gift
29%inclusion1.69K decks5.87K decks
11%synergy
Despark
23%inclusion1.33K decks5.87K decks
9%synergy
Offer Immortality
22%inclusion1.28K decks5.87K decks
21%synergy
Bladebrand
19%inclusion1.09K decks5.87K decks
18%synergy
Flawless Maneuver
18%inclusion1.07K decks5.87K decks
4%synergy
Mortify
17%inclusion1K decks5.87K decks
2%synergy
Deflecting Swat
16%inclusion942 decks5.87K decks
0%synergy
Chaos Warp
16%inclusion921 decks5.87K decks
0%synergy
Terminate
14%inclusion811 decks5.87K decks
1%synergy
Dire Tactics
13%inclusion782 decks5.87K decks
11%synergy
Dawn's Truce
12%inclusion665 decks5.37K decks
5%synergy
Wear // Tear
12%inclusion723 decks5.87K decks
1%synergy
Rakdos Charm
12%inclusion699 decks5.87K decks
3%synergy
Deflecting Palm
11%inclusion623 decks5.87K decks
4%synergy
Malakir Rebirth
10%inclusion582 decks5.87K decks
5%synergy
Virulent Swipe
8.6%inclusion504 decks5.87K decks
8%synergy
Sejiri Shelter
8.0%inclusion467 decks5.87K decks
6%synergy
Battle-Rage Blessing
7.7%inclusion449 decks5.87K decks
7%synergy
Deadly Rollick
7.6%inclusion448 decks5.87K decks
-3%synergy
Untimely Malfunction
7.1%inclusion354 decks4.99K decks
2%synergy
Tragic Slip
7.0%inclusion413 decks5.87K decks
6%synergy
Legion Leadership
7.0%inclusion398 decks5.67K decks
3%synergy
Thrill of Possibility
6.6%inclusion388 decks5.87K decks
-1%synergy
Bedevil
6.6%inclusion385 decks5.87K decks
0%synergy
Toxin Analysis
6.4%inclusion378 decks5.87K decks
6%synergy
Whisper of the Dross
6.3%inclusion368 decks5.87K decks
6%synergy
Loran's Escape
5.9%inclusion345 decks5.87K decks
4%synergy
Utter End
5.8%inclusion342 decks5.87K decks
1%synergy
Touch of Moonglove
5.7%inclusion332 decks5.87K decks
6%synergy
Volt Charge
5.6%inclusion328 decks5.87K decks
5%synergy
Dark Ritual
5.4%inclusion316 decks5.87K decks
-11%synergy
Alesha's Legacy
5.3%inclusion194 decks3.68K decks
4%synergy
Sorceries
Ruinous Ultimatum
45%inclusion2.66K decks5.87K decks
6%synergy
Steelshaper's Gift
34%inclusion1.98K decks5.87K decks
31%synergy
Mythos of Snapdax
33%inclusion1.91K decks5.87K decks
27%synergy
Painful Truths
29%inclusion1.69K decks5.87K decks
21%synergy
Read the Bones
26%inclusion1.55K decks5.87K decks
17%synergy
Night's Whisper
26%inclusion1.52K decks5.87K decks
13%synergy
Vandalblast
22%inclusion1.32K decks5.87K decks
12%synergy
Blasphemous Act
21%inclusion1.24K decks5.87K decks
-2%synergy
Call of the Death-Dweller
20%inclusion1.20K decks5.87K decks
20%synergy
Sign in Blood
18%inclusion1.04K decks5.87K decks
10%synergy
Drown in Ichor
16%inclusion910 decks5.87K decks
15%synergy
Sevinne's Reclamation
14%inclusion820 decks5.87K decks
6%synergy
Chandra's Ignition
14%inclusion792 decks5.87K decks
12%synergy
Damn
13%inclusion784 decks5.87K decks
-4%synergy
Vindicate
11%inclusion628 decks5.87K decks
5%synergy
Unfinished Business
9.0%inclusion529 decks5.87K decks
8%synergy
Single Combat
8.6%inclusion502 decks5.87K decks
7%synergy
Faithless Looting
8.5%inclusion501 decks5.87K decks
-7%synergy
Unearth
8.4%inclusion495 decks5.87K decks
6%synergy
Austere Command
8.2%inclusion483 decks5.87K decks
1%synergy
Toxic Deluge
8.0%inclusion469 decks5.87K decks
0%synergy
Diabolic Tutor
6.6%inclusion385 decks5.87K decks
1%synergy
Feed the Swarm
6.2%inclusion365 decks5.87K decks
1%synergy
Reanimate
5.7%inclusion334 decks5.87K decks
-11%synergy
Vat Emergence
5.2%inclusion307 decks5.87K decks
5%synergy
Rip Apart
5.2%inclusion303 decks5.87K decks
4%synergy
Utility Artifacts
Quietus Spike
45%inclusion2.62K decks5.87K decks
43%synergy
Magewright's Stone
41%inclusion2.42K decks5.87K decks
40%synergy
Shadowspear
39%inclusion2.28K decks5.87K decks
35%synergy
Illusionist's Bracers
35%inclusion2.02K decks5.87K decks
33%synergy
Hunter's Blowgun
30%inclusion1.78K decks5.87K decks
30%synergy
Thousand-Year Elixir
29%inclusion1.70K decks5.87K decks
28%synergy
Lightning Greaves
23%inclusion1.35K decks5.87K decks
-11%synergy
Mithril Coat
19%inclusion1.12K decks5.87K decks
14%synergy
Glaring Spotlight
17%inclusion972 decks5.87K decks
16%synergy
Battlemage's Bracers
15%inclusion865 decks5.87K decks
14%synergy
Sword of the Animist
12%inclusion692 decks5.87K decks
3%synergy
Brotherhood Regalia
12%inclusion652 decks5.54K decks
9%synergy
Whispersilk Cloak
11%inclusion649 decks5.87K decks
5%synergy
Wayfarer's Bauble
10%inclusion574 decks5.87K decks
1%synergy
Hammer of Nazahn
9.3%inclusion547 decks5.87K decks
7%synergy
Puppet Strings
9.0%inclusion527 decks5.87K decks
9%synergy
Sword of Truth and Justice
8.6%inclusion503 decks5.87K decks
8%synergy
The Masamune
8.5%inclusion262 decks3.06K decks
8%synergy
Hidden Blade
8.4%inclusion494 decks5.87K decks
8%synergy
Robe of Stars
8.3%inclusion489 decks5.87K decks
7%synergy
Darksteel Plate
6.9%inclusion406 decks5.87K decks
5%synergy
Mask of Griselbrand
6.6%inclusion390 decks5.87K decks
5%synergy
Dragonfire Blade
6.3%inclusion228 decks3.65K decks
5%synergy
The Reaver Cleaver
6.2%inclusion362 decks5.87K decks
0%synergy
Scythe of the Wretched
5.9%inclusion345 decks5.87K decks
6%synergy
Reaper's Talisman
5.8%inclusion338 decks5.87K decks
5%synergy
Haystack
5.6%inclusion329 decks5.87K decks
4%synergy
Sunforger
5.2%inclusion303 decks5.87K decks
2%synergy
Halo Fountain
5.1%inclusion300 decks5.87K decks
5%synergy
Trailblazer's Boots
5.0%inclusion294 decks5.87K decks
3%synergy
Enchantments
Fighter Class
35%inclusion2.05K decks5.87K decks
32%synergy
Phyrexian Arena
32%inclusion1.89K decks5.87K decks
14%synergy
All-Out Assault
31%inclusion1.16K decks3.70K decks
19%synergy
Dazzling Theater // Prop Room
27%inclusion1.36K decks4.95K decks
26%synergy
Aspect of Gorgon
26%inclusion1.53K decks5.87K decks
26%synergy
Revel in Riches
22%inclusion1.30K decks5.87K decks
16%synergy
At Knifepoint
17%inclusion1K decks5.87K decks
16%synergy
Sigarda's Aid
17%inclusion1K decks5.87K decks
14%synergy
Black Market
17%inclusion995 decks5.87K decks
12%synergy
Reconnaissance
16%inclusion949 decks5.87K decks
5%synergy
Black Market Connections
15%inclusion901 decks5.87K decks
0%synergy
Retreat to Hagra
14%inclusion800 decks5.87K decks
13%synergy
Forge Anew
13%inclusion769 decks5.87K decks
11%synergy
Death Pits of Rath
13%inclusion766 decks5.87K decks
13%synergy
Agent of the Shadow Thieves
13%inclusion755 decks5.87K decks
12%synergy
Eternal Thirst
9.5%inclusion557 decks5.87K decks
9%synergy
Ghostly Prison
8.4%inclusion491 decks5.87K decks
1%synergy
Grave Betrayal
8.0%inclusion469 decks5.87K decks
8%synergy
Nowhere to Run
7.8%inclusion429 decks5.47K decks
7%synergy
Gift of Immortality
7.4%inclusion433 decks5.87K decks
6%synergy
Kaya's Ghostform
7.3%inclusion431 decks5.87K decks
5%synergy
Land Tax
6.5%inclusion384 decks5.87K decks
0%synergy
Trouble in Pairs
5.9%inclusion347 decks5.87K decks
1%synergy
Spiteful Banditry
5.0%inclusion296 decks5.87K decks
3%synergy
Planeswalkers
Vraska, Betrayal's Sting
8.7%inclusion508 decks5.87K decks
8%synergy
Kaya, Geist Hunter
7.0%inclusion413 decks5.87K decks
3%synergy
Utility Lands
Vault of the Archangel
50%inclusion2.96K decks5.87K decks
28%synergy
Rogue's Passage
50%inclusion2.92K decks5.87K decks
26%synergy
Bojuka Bog
37%inclusion2.18K decks5.87K decks
6%synergy
Arcane Lighthouse
33%inclusion1.94K decks5.87K decks
32%synergy
Detection Tower
24%inclusion1.43K decks5.87K decks
24%synergy
Karn's Bastion
22%inclusion1.31K decks5.87K decks
22%synergy
Axgard Armory
17%inclusion999 decks5.87K decks
15%synergy
Urborg, Tomb of Yawgmoth
13%inclusion747 decks5.87K decks
-1%synergy
Reliquary Tower
12%inclusion727 decks5.87K decks
-3%synergy
Buried Ruin
12%inclusion677 decks5.87K decks
8%synergy
Shizo, Death's Storehouse
10%inclusion607 decks5.87K decks
3%synergy
Urza's Saga
8.3%inclusion489 decks5.87K decks
4%synergy
Sunhome, Fortress of the Legion
7.7%inclusion454 decks5.87K decks
4%synergy
Temple of the False God
7.2%inclusion420 decks5.87K decks
1%synergy
Mana Artifacts
Arcane Signet
86%inclusion5.06K decks5.87K decks
0%synergy
Sol Ring
85%inclusion4.99K decks5.87K decks
-4%synergy
Patriar's Seal
57%inclusion3.33K decks5.87K decks
55%synergy
Orzhov Signet
43%inclusion2.51K decks5.87K decks
11%synergy
Rakdos Signet
39%inclusion2.31K decks5.87K decks
10%synergy
Boros Signet
37%inclusion2.14K decks5.87K decks
9%synergy
Talisman of Hierarchy
36%inclusion2.13K decks5.87K decks
-4%synergy
Talisman of Conviction
34%inclusion1.99K decks5.87K decks
-8%synergy
Talisman of Indulgence
30%inclusion1.75K decks5.87K decks
-7%synergy
Fellwar Stone
25%inclusion1.44K decks5.87K decks
-3%synergy
Bounty Board
21%inclusion1.25K decks5.87K decks
19%synergy
Commander's Sphere
16%inclusion954 decks5.87K decks
2%synergy
Aetheric Amplifier
12%inclusion513 decks4.17K decks
12%synergy
Bandit's Haul
12%inclusion683 decks5.87K decks
10%synergy
Chromatic Lantern
10%inclusion598 decks5.87K decks
-1%synergy
Mind Stone
6.2%inclusion361 decks5.87K decks
-2%synergy
Mardu Banner
5.3%inclusion309 decks5.87K decks
2%synergy
Lands
Plains
97%inclusion5.70K decks5.87K decks
2%synergy
Swamp
97%inclusion5.70K decks5.87K decks
2%synergy
Mountain
96%inclusion5.63K decks5.87K decks
2%synergy
Command Tower
93%inclusion5.46K decks5.87K decks
1%synergy
Nomad Outpost
66%inclusion3.89K decks5.87K decks
8%synergy
Exotic Orchard
57%inclusion3.35K decks5.87K decks
5%synergy
Isolated Chapel
54%inclusion3.15K decks5.87K decks
1%synergy
Dragonskull Summit
52%inclusion3.06K decks5.87K decks
0%synergy
Clifftop Retreat
52%inclusion3.05K decks5.87K decks
1%synergy
Savai Triome
48%inclusion2.82K decks5.87K decks
10%synergy
Godless Shrine
47%inclusion2.74K decks5.87K decks
-1%synergy
Sacred Foundry
45%inclusion2.63K decks5.87K decks
0%synergy
Blood Crypt
44%inclusion2.60K decks5.87K decks
0%synergy
Caves of Koilos
41%inclusion2.38K decks5.87K decks
1%synergy
Battlefield Forge
39%inclusion2.26K decks5.87K decks
-2%synergy
Vault of Champions
38%inclusion2.24K decks5.87K decks
6%synergy
Spectator Seating
37%inclusion2.15K decks5.87K decks
5%synergy
Forbidden Orchard
36%inclusion2.12K decks5.87K decks
34%synergy
Luxury Suite
34%inclusion2.02K decks5.87K decks
3%synergy
Smoldering Marsh
34%inclusion2.01K decks5.87K decks
-2%synergy
Bloodstained Mire
28%inclusion1.67K decks5.87K decks
-4%synergy
Marsh Flats
28%inclusion1.66K decks5.87K decks
-3%synergy
Arid Mesa
28%inclusion1.64K decks5.87K decks
-3%synergy
Evolving Wilds
27%inclusion1.57K decks5.87K decks
1%synergy
Sulfurous Springs
25%inclusion1.44K decks5.87K decks
-3%synergy
Path of Ancestry
24%inclusion1.41K decks5.87K decks
-14%synergy
Shattered Sanctum
23%inclusion1.38K decks5.87K decks
0%synergy
Sundown Pass
23%inclusion1.37K decks5.87K decks
3%synergy
Haunted Ridge
21%inclusion1.25K decks5.87K decks
2%synergy
Shattered Landscape
21%inclusion1.20K decks5.63K decks
2%synergy
Temple of Silence
20%inclusion1.19K decks5.87K decks
-2%synergy
Temple of Triumph
19%inclusion1.12K decks5.87K decks
-3%synergy
Orzhov Basilica
19%inclusion1.10K decks5.87K decks
5%synergy
Terramorphic Expanse
17%inclusion1.02K decks5.87K decks
-2%synergy
Boros Garrison
17%inclusion975 decks5.87K decks
4%synergy
Rakdos Carnarium
16%inclusion932 decks5.87K decks
4%synergy
Temple of Malice
16%inclusion917 decks5.87K decks
-1%synergy
Fetid Heath
15%inclusion887 decks5.87K decks
-6%synergy
Rugged Prairie
14%inclusion799 decks5.87K decks
-3%synergy
Myriad Landscape
12%inclusion731 decks5.87K decks
1%synergy
Brightclimb Pathway
12%inclusion720 decks5.87K decks
4%synergy
Shadowblood Ridge
12%inclusion691 decks5.87K decks
-4%synergy
Needleverge Pathway
11%inclusion643 decks5.87K decks
3%synergy
Scrubland
11%inclusion624 decks5.87K decks
-2%synergy
Plateau
11%inclusion620 decks5.87K decks
-2%synergy
Badlands
10%inclusion615 decks5.87K decks
-2%synergy
Blightstep Pathway
10%inclusion611 decks5.87K decks
2%synergy
Tainted Field
10%inclusion599 decks5.87K decks
-2%synergy
Malakir Rebirth
10%inclusion582 decks5.87K decks
5%synergy
Blazemire Verge
10%inclusion494 decks5K decks
-2%synergy