Kelsien, the Plague (Commander) - Upgraded

Alternate Names:

Altaïr, Brotherhood MentorAltaïr, Brotherhood Mentor

Kelsien, the Plague
Rank #421
387decks
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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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Oft-Nabbed Goat
5.5%inclusion4 decks73 decks
5%synergy
Electric Seaweed
4.0%inclusion1 decks25 decks
4%synergy
Swift Demise
4.0%inclusion1 decks25 decks
4%synergy
Shellshock
4.0%inclusion1 decks25 decks
4%synergy
Hexing Squelcher
3.9%inclusion3 decks76 decks
-2%synergy
High Synergy Cards
Basilisk Collar
93%inclusion360 decks387 decks
89%synergy
Rune of Mortality
73%inclusion283 decks387 decks
72%synergy
Minthara, Merciless Soul
69%inclusion268 decks387 decks
68%synergy
Vorpal Sword
70%inclusion270 decks387 decks
67%synergy
Otharri, Suns' Glory
70%inclusion272 decks387 decks
65%synergy
Mari, the Killing Quill
70%inclusion270 decks387 decks
63%synergy
Thornbite Staff
64%inclusion248 decks387 decks
63%synergy
Gorgon's Head
63%inclusion244 decks387 decks
62%synergy
Sting, the Glinting Dagger
63%inclusion245 decks387 decks
62%synergy
Drumbellower
59%inclusion228 decks387 decks
57%synergy
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Morbid Opportunist
70%inclusion272 decks387 decks
52%synergy
Swiftfoot Boots
60%inclusion232 decks387 decks
28%synergy
Shay Cormac
58%inclusion225 decks385 decks
55%synergy
Falthis, Shadowcat Familiar
58%inclusion224 decks387 decks
57%synergy
Open the Armory
56%inclusion216 decks387 decks
52%synergy
General's Enforcer
55%inclusion211 decks387 decks
46%synergy
Ruinous Ultimatum
51%inclusion196 decks387 decks
11%synergy
Gift of Doom
49%inclusion188 decks387 decks
48%synergy
Shadowspear
48%inclusion186 decks387 decks
44%synergy
Fighter Class
44%inclusion170 decks387 decks
41%synergy
Game Changers
Smothering Tithe
21%inclusion81 decks387 decks
-5%synergy
Teferi's Protection
20%inclusion77 decks387 decks
0%synergy
Enlightened Tutor
16%inclusion61 decks387 decks
4%synergy
Demonic Tutor
13%inclusion51 decks387 decks
-6%synergy
Orcish Bowmasters
10%inclusion37 decks387 decks
4%synergy
Farewell
8.5%inclusion33 decks387 decks
-2%synergy
Vampiric Tutor
5.7%inclusion22 decks387 decks
-9%synergy
Creatures
Lae'zel, Vlaakith's Champion
43%inclusion167 decks387 decks
41%synergy
Maha, Its Feathers Night
39%inclusion152 decks385 decks
38%synergy
Humble Defector
39%inclusion150 decks387 decks
36%synergy
Termination Facilitator
39%inclusion149 decks387 decks
37%synergy
White Plume Adventurer
38%inclusion146 decks387 decks
36%synergy
Magda, the Hoardmaster
38%inclusion146 decks387 decks
36%synergy
Daxos the Returned
37%inclusion145 decks387 decks
37%synergy
Mother of Runes
35%inclusion135 decks387 decks
27%synergy
Kalemne, Disciple of Iroas
34%inclusion132 decks387 decks
33%synergy
Stoneforge Mystic
32%inclusion122 decks387 decks
29%synergy
Harvester of Souls
31%inclusion120 decks387 decks
28%synergy
Slaughter Specialist
31%inclusion120 decks387 decks
30%synergy
Goblin Sharpshooter
31%inclusion120 decks387 decks
30%synergy
Void Beckoner
30%inclusion118 decks387 decks
30%synergy
Mathas, Fiend Seeker
30%inclusion116 decks387 decks
28%synergy
Taii Wakeen, Perfect Shot
30%inclusion115 decks387 decks
29%synergy
Puresteel Paladin
27%inclusion103 decks387 decks
23%synergy
Ertha Jo, Frontier Mentor
26%inclusion102 decks387 decks
26%synergy
Archetype of Finality
25%inclusion98 decks387 decks
24%synergy
Esper Sentinel
24%inclusion92 decks387 decks
5%synergy
Sun Titan
22%inclusion87 decks387 decks
12%synergy
Zagras, Thief of Heartbeats
20%inclusion78 decks387 decks
19%synergy
Athreos, Shroud-Veiled
20%inclusion76 decks387 decks
18%synergy
Akiri, Fearless Voyager
18%inclusion71 decks387 decks
16%synergy
Queen Marchesa
18%inclusion68 decks387 decks
11%synergy
Marvin, Murderous Mimic
17%inclusion66 decks381 decks
16%synergy
Blood Cultist
17%inclusion67 decks387 decks
17%synergy
Assault Intercessor
15%inclusion58 decks387 decks
14%synergy
Blood Artist
14%inclusion55 decks387 decks
-4%synergy
Sram, Senior Edificer
14%inclusion53 decks387 decks
11%synergy
Massacre Girl, Known Killer
13%inclusion49 decks387 decks
10%synergy
Kratos, Stoic Father
12%inclusion19 decks153 decks
12%synergy
Deathbringer Thoctar
12%inclusion47 decks387 decks
12%synergy
Ankle Shanker
12%inclusion47 decks387 decks
9%synergy
Stonehewer Giant
12%inclusion46 decks387 decks
11%synergy
Kellan, the Fae-Blooded
11%inclusion43 decks387 decks
10%synergy
Qarsi Revenant
11%inclusion35 decks322 decks
8%synergy
Clackbridge Troll
11%inclusion42 decks387 decks
10%synergy
Vulshok Sorcerer
11%inclusion42 decks387 decks
11%synergy
Cunning Sparkmage
11%inclusion42 decks387 decks
11%synergy
Bureau Headmaster
11%inclusion41 decks385 decks
10%synergy
Gisa, Glorious Resurrector
10%inclusion39 decks387 decks
9%synergy
Patrolling Peacemaker
9.4%inclusion20 decks213 decks
9%synergy
Solemn Simulacrum
9.0%inclusion35 decks387 decks
-4%synergy
Giver of Runes
9.0%inclusion35 decks387 decks
6%synergy
Robaran Mercenaries
8.5%inclusion33 decks387 decks
8%synergy
Royal Assassin
8.5%inclusion33 decks387 decks
5%synergy
Tor Wauki the Younger
8.5%inclusion33 decks387 decks
8%synergy
Zuko, Firebending Master
8.3%inclusion11 decks133 decks
7%synergy
Witch Enchanter
8.3%inclusion32 decks387 decks
2%synergy
Instants
Boros Charm
43%inclusion168 decks387 decks
14%synergy
Swords to Plowshares
42%inclusion161 decks387 decks
-21%synergy
You Are Already Dead
40%inclusion154 decks387 decks
38%synergy
Stroke of Midnight
37%inclusion144 decks387 decks
25%synergy
Anguished Unmaking
33%inclusion129 decks387 decks
-1%synergy
Crackling Doom
32%inclusion123 decks387 decks
15%synergy
Generous Gift
28%inclusion108 decks387 decks
9%synergy
Path to Exile
27%inclusion105 decks387 decks
-20%synergy
Mirrodin Avenged
26%inclusion100 decks387 decks
25%synergy
Fracture
23%inclusion89 decks387 decks
17%synergy
Flawless Maneuver
21%inclusion80 decks387 decks
6%synergy
Despark
17%inclusion64 decks387 decks
2%synergy
Deflecting Swat
16%inclusion63 decks387 decks
1%synergy
Chaos Warp
16%inclusion60 decks387 decks
-1%synergy
Bladebrand
15%inclusion59 decks387 decks
15%synergy
Mortify
15%inclusion59 decks387 decks
0%synergy
Wear // Tear
13%inclusion52 decks387 decks
2%synergy
Malakir Rebirth
13%inclusion52 decks387 decks
8%synergy
Offer Immortality
13%inclusion51 decks387 decks
12%synergy
Rakdos Charm
13%inclusion50 decks387 decks
4%synergy
Dawn's Truce
12%inclusion47 decks384 decks
5%synergy
Dire Tactics
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9%synergy
Sejiri Shelter
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8%synergy
Terminate
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-2%synergy
Deflecting Palm
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3%synergy
Legion Leadership
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5%synergy
Untimely Malfunction
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4%synergy
Deadly Rollick
7.5%inclusion29 decks387 decks
-3%synergy
Loran's Escape
7.0%inclusion27 decks387 decks
6%synergy
Dark Ritual
7.0%inclusion27 decks387 decks
-9%synergy
Inkshield
6.7%inclusion26 decks387 decks
-1%synergy
Bedevil
6.5%inclusion25 decks387 decks
-1%synergy
Thrill of Possibility
6.2%inclusion24 decks387 decks
-2%synergy
Fell the Profane
5.9%inclusion23 decks387 decks
0%synergy
Utter End
5.7%inclusion22 decks387 decks
1%synergy
Tragic Slip
5.7%inclusion22 decks387 decks
4%synergy
Toxin Analysis
5.4%inclusion21 decks387 decks
5%synergy
Blacksmith's Skill
5.4%inclusion21 decks387 decks
4%synergy
Tainted Strike
5.2%inclusion20 decks387 decks
5%synergy
Touch of Moonglove
5.2%inclusion20 decks387 decks
5%synergy
Sorceries
Steelshaper's Gift
39%inclusion149 decks387 decks
35%synergy
Mythos of Snapdax
35%inclusion134 decks387 decks
29%synergy
Painful Truths
30%inclusion118 decks387 decks
22%synergy
Night's Whisper
29%inclusion111 decks387 decks
16%synergy
Read the Bones
26%inclusion101 decks387 decks
17%synergy
Vandalblast
22%inclusion86 decks387 decks
12%synergy
Call of the Death-Dweller
21%inclusion80 decks387 decks
20%synergy
Sevinne's Reclamation
20%inclusion76 decks387 decks
12%synergy
Blasphemous Act
18%inclusion70 decks387 decks
-5%synergy
Sign in Blood
18%inclusion70 decks387 decks
10%synergy
Damn
14%inclusion55 decks387 decks
-4%synergy
Chandra's Ignition
12%inclusion48 decks387 decks
10%synergy
Drown in Ichor
10%inclusion37 decks387 decks
9%synergy
Toxic Deluge
10%inclusion37 decks387 decks
1%synergy
Faithless Looting
9.3%inclusion36 decks387 decks
-6%synergy
Single Combat
8.8%inclusion34 decks387 decks
7%synergy
Vindicate
7.8%inclusion30 decks387 decks
2%synergy
Unearth
7.5%inclusion29 decks387 decks
5%synergy
Unfinished Business
6.2%inclusion24 decks387 decks
6%synergy
Austere Command
5.9%inclusion23 decks387 decks
-1%synergy
Reanimate
5.9%inclusion23 decks387 decks
-11%synergy
Feed the Swarm
5.7%inclusion22 decks387 decks
1%synergy
Utility Artifacts
Quietus Spike
44%inclusion170 decks387 decks
43%synergy
Gorgon Flail
42%inclusion164 decks387 decks
42%synergy
Magewright's Stone
40%inclusion155 decks387 decks
39%synergy
Illusionist's Bracers
30%inclusion115 decks387 decks
28%synergy
Thousand-Year Elixir
28%inclusion108 decks387 decks
27%synergy
Hunter's Blowgun
26%inclusion99 decks387 decks
25%synergy
Lightning Greaves
25%inclusion96 decks387 decks
-10%synergy
Mithril Coat
22%inclusion85 decks387 decks
16%synergy
Glaring Spotlight
17%inclusion67 decks387 decks
17%synergy
Sword of the Animist
16%inclusion60 decks387 decks
6%synergy
Brotherhood Regalia
15%inclusion58 decks385 decks
12%synergy
Hammer of Nazahn
13%inclusion52 decks387 decks
11%synergy
Whispersilk Cloak
13%inclusion49 decks387 decks
7%synergy
Battlemage's Bracers
13%inclusion49 decks387 decks
12%synergy
Robe of Stars
11%inclusion43 decks387 decks
10%synergy
Sword of Truth and Justice
11%inclusion41 decks387 decks
10%synergy
Wayfarer's Bauble
10%inclusion39 decks387 decks
1%synergy
The Masamune
9.3%inclusion23 decks248 decks
9%synergy
Darksteel Plate
9.0%inclusion35 decks387 decks
7%synergy
The Reaver Cleaver
8.5%inclusion33 decks387 decks
2%synergy
Hidden Blade
8.5%inclusion33 decks387 decks
8%synergy
Puppet Strings
8.3%inclusion32 decks387 decks
8%synergy
Sword of Feast and Famine
7.2%inclusion28 decks387 decks
4%synergy
Haystack
7.2%inclusion28 decks387 decks
6%synergy
Mask of Griselbrand
6.7%inclusion26 decks387 decks
6%synergy
Dragonfire Blade
6.7%inclusion21 decks314 decks
5%synergy
Reaper's Talisman
6.2%inclusion24 decks387 decks
6%synergy
Conqueror's Flail
5.9%inclusion23 decks387 decks
5%synergy
Scythe of the Wretched
5.4%inclusion21 decks387 decks
5%synergy
Halo Fountain
5.4%inclusion21 decks387 decks
5%synergy
Skullclamp
5.4%inclusion21 decks387 decks
-23%synergy
Enchantments
Phyrexian Arena
30%inclusion115 decks387 decks
11%synergy
Dazzling Theater // Prop Room
29%inclusion111 decks381 decks
27%synergy
All-Out Assault
28%inclusion89 decks322 decks
16%synergy
Aspect of Gorgon
25%inclusion96 decks387 decks
24%synergy
Revel in Riches
22%inclusion85 decks387 decks
15%synergy
Reconnaissance
21%inclusion82 decks387 decks
10%synergy
Sigarda's Aid
21%inclusion82 decks387 decks
18%synergy
Forge Anew
19%inclusion74 decks387 decks
17%synergy
Black Market Connections
19%inclusion73 decks387 decks
3%synergy
Agent of the Shadow Thieves
16%inclusion63 decks387 decks
16%synergy
Black Market
15%inclusion58 decks387 decks
9%synergy
Retreat to Hagra
14%inclusion55 decks387 decks
14%synergy
Death Pits of Rath
12%inclusion46 decks387 decks
12%synergy
At Knifepoint
12%inclusion46 decks387 decks
10%synergy
Nowhere to Run
11%inclusion41 decks385 decks
10%synergy
Ghostly Prison
10%inclusion39 decks387 decks
3%synergy
Gift of Immortality
9.0%inclusion35 decks387 decks
8%synergy
Kaya's Ghostform
9.0%inclusion35 decks387 decks
7%synergy
Grave Betrayal
9.0%inclusion35 decks387 decks
9%synergy
Trouble in Pairs
8.5%inclusion33 decks387 decks
3%synergy
Land Tax
7.5%inclusion29 decks387 decks
1%synergy
Eternal Thirst
7.5%inclusion29 decks387 decks
7%synergy
Spiteful Banditry
6.2%inclusion24 decks387 decks
4%synergy
Planeswalkers
Vraska, Betrayal's Sting
6.5%inclusion25 decks387 decks
6%synergy
Kaya, Geist Hunter
5.2%inclusion20 decks387 decks
1%synergy
Utility Lands
Vault of the Archangel
52%inclusion203 decks387 decks
30%synergy
Rogue's Passage
51%inclusion196 decks387 decks
27%synergy
Bojuka Bog
44%inclusion169 decks387 decks
13%synergy
Arcane Lighthouse
39%inclusion149 decks387 decks
37%synergy
Detection Tower
26%inclusion99 decks387 decks
25%synergy
Axgard Armory
22%inclusion85 decks387 decks
20%synergy
Karn's Bastion
20%inclusion79 decks387 decks
20%synergy
Buried Ruin
17%inclusion66 decks387 decks
14%synergy
Urborg, Tomb of Yawgmoth
14%inclusion56 decks387 decks
1%synergy
Shizo, Death's Storehouse
14%inclusion55 decks387 decks
7%synergy
Reliquary Tower
12%inclusion45 decks387 decks
-4%synergy
Urza's Saga
11%inclusion44 decks387 decks
7%synergy
Sunhome, Fortress of the Legion
10%inclusion38 decks387 decks
6%synergy
Temple of the False God
6.5%inclusion25 decks387 decks
0%synergy
Command Beacon
6.2%inclusion24 decks387 decks
1%synergy
Eiganjo, Seat of the Empire
5.4%inclusion21 decks387 decks
-1%synergy
Mana Artifacts
Sol Ring
87%inclusion336 decks387 decks
-2%synergy
Arcane Signet
85%inclusion329 decks387 decks
-1%synergy
Patriar's Seal
56%inclusion218 decks387 decks
54%synergy
Talisman of Hierarchy
43%inclusion166 decks387 decks
2%synergy
Orzhov Signet
41%inclusion157 decks387 decks
9%synergy
Talisman of Conviction
39%inclusion149 decks387 decks
-3%synergy
Talisman of Indulgence
37%inclusion142 decks387 decks
0%synergy
Rakdos Signet
36%inclusion141 decks387 decks
6%synergy
Boros Signet
34%inclusion133 decks387 decks
6%synergy
Fellwar Stone
25%inclusion95 decks387 decks
-3%synergy
Bounty Board
22%inclusion87 decks387 decks
20%synergy
Commander's Sphere
13%inclusion52 decks387 decks
-1%synergy
Aetheric Amplifier
12%inclusion46 decks372 decks
12%synergy
Bandit's Haul
12%inclusion46 decks387 decks
11%synergy
Chromatic Lantern
8.3%inclusion32 decks387 decks
-3%synergy
Mind Stone
6.7%inclusion26 decks387 decks
-2%synergy
Lands
Swamp
97%inclusion376 decks387 decks
2%synergy
Plains
96%inclusion373 decks387 decks
1%synergy
Command Tower
95%inclusion369 decks387 decks
3%synergy
Mountain
94%inclusion365 decks387 decks
0%synergy
Nomad Outpost
63%inclusion242 decks387 decks
4%synergy
Exotic Orchard
61%inclusion238 decks387 decks
10%synergy
Savai Triome
58%inclusion224 decks387 decks
20%synergy
Godless Shrine
54%inclusion210 decks387 decks
7%synergy
Isolated Chapel
53%inclusion204 decks387 decks
0%synergy
Sacred Foundry
52%inclusion201 decks387 decks
7%synergy
Dragonskull Summit
50%inclusion193 decks387 decks
-2%synergy
Blood Crypt
50%inclusion192 decks387 decks
6%synergy
Clifftop Retreat
49%inclusion191 decks387 decks
-1%synergy
Caves of Koilos
48%inclusion184 decks387 decks
8%synergy
Forbidden Orchard
47%inclusion182 decks387 decks
44%synergy
Battlefield Forge
46%inclusion178 decks387 decks
6%synergy
Vault of Champions
46%inclusion178 decks387 decks
13%synergy
Spectator Seating
43%inclusion166 decks387 decks
11%synergy
Luxury Suite
40%inclusion153 decks387 decks
8%synergy
Marsh Flats
34%inclusion131 decks387 decks
2%synergy
Bloodstained Mire
34%inclusion130 decks387 decks
1%synergy
Arid Mesa
32%inclusion125 decks387 decks
1%synergy
Smoldering Marsh
30%inclusion118 decks387 decks
-6%synergy
Sulfurous Springs
29%inclusion112 decks387 decks
2%synergy
Shattered Sanctum
29%inclusion111 decks387 decks
5%synergy
Sundown Pass
27%inclusion103 decks387 decks
6%synergy
Haunted Ridge
26%inclusion99 decks387 decks
6%synergy
Path of Ancestry
24%inclusion94 decks387 decks
-14%synergy
Fetid Heath
21%inclusion80 decks387 decks
0%synergy
Evolving Wilds
20%inclusion79 decks387 decks
-6%synergy
Orzhov Basilica
20%inclusion79 decks387 decks
6%synergy
Rugged Prairie
20%inclusion76 decks387 decks
3%synergy
Shattered Landscape
19%inclusion74 decks386 decks
0%synergy
Temple of Silence
19%inclusion73 decks387 decks
-4%synergy
Temple of Triumph
17%inclusion65 decks387 decks
-5%synergy
Boros Garrison
17%inclusion64 decks387 decks
4%synergy
Rakdos Carnarium
16%inclusion62 decks387 decks
4%synergy
Brightclimb Pathway
15%inclusion58 decks387 decks
6%synergy
Needleverge Pathway
14%inclusion56 decks387 decks
6%synergy
Temple of Malice
14%inclusion55 decks387 decks
-3%synergy
Terramorphic Expanse
13%inclusion52 decks387 decks
-6%synergy
Malakir Rebirth
13%inclusion52 decks387 decks
8%synergy
Fabled Passage
13%inclusion49 decks387 decks
5%synergy
Tainted Field
12%inclusion48 decks387 decks
0%synergy
Shadowblood Ridge
12%inclusion47 decks387 decks
-3%synergy
Blazemire Verge
12%inclusion46 decks381 decks
0%synergy
Graven Cairns
12%inclusion46 decks387 decks
1%synergy
Plaza of Heroes
11%inclusion44 decks387 decks
7%synergy
Badlands
11%inclusion43 decks387 decks
-1%synergy
Myriad Landscape
11%inclusion43 decks387 decks
-1%synergy
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