Falthis, Shadowcat Familiar // Sengir, the Dark Baron (Commander)

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
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Blade of the Bloodchief
41%inclusion30 decks74 decks
38%synergy
Cordial Vampire
38%inclusion28 decks74 decks
36%synergy
Murder
41%inclusion30 decks74 decks
30%synergy
Grave Pact
47%inclusion35 decks74 decks
29%synergy
Vampire Nighthawk
34%inclusion25 decks74 decks
28%synergy
Yahenni, Undying Partisan
34%inclusion25 decks74 decks
28%synergy
Butcher of Malakir
34%inclusion25 decks74 decks
27%synergy
Rogue's Passage
45%inclusion33 decks74 decks
26%synergy
Doom Blade
32%inclusion24 decks74 decks
25%synergy
Anowon, the Ruin Sage
24%inclusion18 decks74 decks
24%synergy
Top Cards
Dark Ritual
53%inclusion39 decks74 decks
-14%synergy
Feed the Swarm
50%inclusion37 decks74 decks
-1%synergy
Blood Artist
45%inclusion33 decks74 decks
13%synergy
Swiftfoot Boots
45%inclusion33 decks74 decks
13%synergy
Jet Medallion
42%inclusion31 decks74 decks
-18%synergy
Defile
35%inclusion26 decks74 decks
-3%synergy
Viscera Seer
34%inclusion25 decks74 decks
17%synergy
Black Market
34%inclusion25 decks74 decks
13%synergy
Sanguine Bond
32%inclusion24 decks74 decks
20%synergy
Sign in Blood
32%inclusion24 decks74 decks
-4%synergy
Game Changers
Demonic Tutor
31%inclusion23 decks74 decks
3%synergy
Vampiric Tutor
15%inclusion11 decks74 decks
-7%synergy
Bolas's Citadel
11%inclusion8 decks74 decks
-18%synergy
Creatures
Gray Merchant of Asphodel
32%inclusion24 decks74 decks
-19%synergy
Vito, Thorn of the Dusk Rose
30%inclusion22 decks74 decks
19%synergy
Vein Ripper
27%inclusion20 decks73 decks
22%synergy
Bloodthirsty Conqueror
27%inclusion16 decks59 decks
18%synergy
Burnished Hart
27%inclusion20 decks74 decks
19%synergy
Falkenrath Noble
26%inclusion19 decks74 decks
20%synergy
Crypt Ghast
26%inclusion19 decks74 decks
-23%synergy
Nirkana Revenant
24%inclusion18 decks74 decks
13%synergy
Patron of the Vein
24%inclusion18 decks74 decks
23%synergy
Ayara, First of Locthwain
24%inclusion18 decks74 decks
-1%synergy
Reassembling Skeleton
23%inclusion17 decks74 decks
6%synergy
Indulgent Aristocrat
23%inclusion17 decks74 decks
22%synergy
Bloodline Keeper
23%inclusion17 decks74 decks
22%synergy
Vampire of the Dire Moon
23%inclusion17 decks74 decks
21%synergy
Bloodghast
22%inclusion16 decks74 decks
11%synergy
Gifted Aetherborn
20%inclusion15 decks74 decks
17%synergy
Plaguecrafter
20%inclusion15 decks74 decks
0%synergy
Shadow Alley Denizen
20%inclusion15 decks74 decks
18%synergy
Slaughter Specialist
20%inclusion15 decks74 decks
17%synergy
Marauding Blight-Priest
18%inclusion13 decks74 decks
11%synergy
Syr Konrad, the Grim
16%inclusion12 decks74 decks
-4%synergy
Captivating Vampire
16%inclusion12 decks74 decks
15%synergy
Solemn Simulacrum
16%inclusion12 decks74 decks
-7%synergy
Fleshbag Marauder
16%inclusion12 decks74 decks
1%synergy
Zulaport Cutthroat
16%inclusion12 decks74 decks
-7%synergy
Bloodletter of Aclazotz
16%inclusion12 decks74 decks
5%synergy
Sangromancer
15%inclusion11 decks74 decks
3%synergy
Massacre Wurm
15%inclusion11 decks74 decks
-3%synergy
Morbid Opportunist
15%inclusion11 decks74 decks
-7%synergy
Nullpriest of Oblivion
15%inclusion11 decks74 decks
13%synergy
Drana, Liberator of Malakir
15%inclusion11 decks74 decks
12%synergy
Accursed Marauder
15%inclusion10 decks68 decks
-6%synergy
Qarsi Revenant
14%inclusion6 decks44 decks
9%synergy
Nighthawk Scavenger
14%inclusion10 decks74 decks
8%synergy
Massacre Girl
14%inclusion10 decks74 decks
6%synergy
Sheoldred, Whispering One
14%inclusion10 decks74 decks
2%synergy
Pawn of Ulamog
14%inclusion10 decks74 decks
4%synergy
Crossway Troublemakers
14%inclusion10 decks74 decks
13%synergy
Bloodthirsty Aerialist
14%inclusion10 decks74 decks
12%synergy
Master of Dark Rites
12%inclusion9 decks74 decks
11%synergy
Braids, Arisen Nightmare
12%inclusion9 decks74 decks
-7%synergy
Drana, the Last Bloodchief
11%inclusion8 decks74 decks
10%synergy
Gatekeeper of Malakir
11%inclusion8 decks74 decks
10%synergy
Sanctum Seeker
11%inclusion8 decks74 decks
10%synergy
Child of Night
11%inclusion8 decks74 decks
10%synergy
Bloodlord of Vaasgoth
9.5%inclusion7 decks74 decks
9%synergy
Bloodline Necromancer
9.5%inclusion7 decks74 decks
9%synergy
Necropolis Regent
9.5%inclusion7 decks74 decks
8%synergy
Sengir Vampire
9.5%inclusion7 decks74 decks
9%synergy
Jadar, Ghoulcaller of Nephalia
9.5%inclusion7 decks74 decks
-1%synergy
Instants
Go for the Throat
28%inclusion21 decks74 decks
5%synergy
Village Rites
26%inclusion19 decks74 decks
1%synergy
Corrupted Conviction
24%inclusion18 decks74 decks
12%synergy
Deadly Dispute
23%inclusion17 decks74 decks
-1%synergy
Tragic Slip
22%inclusion16 decks74 decks
1%synergy
Oblivion's Hunger
20%inclusion15 decks74 decks
20%synergy
Armor of Shadows
16%inclusion12 decks74 decks
14%synergy
Malakir Rebirth
16%inclusion12 decks74 decks
-6%synergy
Soul Shatter
16%inclusion12 decks74 decks
4%synergy
Hero's Downfall
15%inclusion11 decks74 decks
8%synergy
Urge to Feed
14%inclusion10 decks74 decks
13%synergy
Infernal Grasp
12%inclusion9 decks74 decks
-13%synergy
Consuming Corruption
12%inclusion8 decks68 decks
-4%synergy
Withering Torment
10%inclusion6 decks61 decks
-22%synergy
Cast Down
9.5%inclusion7 decks74 decks
8%synergy
Terror
9.5%inclusion7 decks74 decks
8%synergy
Sudden Spoiling
9.5%inclusion7 decks74 decks
0%synergy
Astarion's Thirst
9.5%inclusion7 decks74 decks
8%synergy
Deadly Rollick
8.1%inclusion6 decks74 decks
-15%synergy
Costly Plunder
8.1%inclusion6 decks74 decks
6%synergy
Blood Pact
8.1%inclusion6 decks74 decks
4%synergy
Bitter Triumph
8.1%inclusion6 decks74 decks
-2%synergy
Supernatural Stamina
8.1%inclusion6 decks74 decks
1%synergy
Undying Malice
8.1%inclusion6 decks74 decks
-1%synergy
Tainted Strike
8.1%inclusion6 decks74 decks
5%synergy
Flare of Malice
7.2%inclusion5 decks69 decks
-5%synergy
Hagra Mauling
6.8%inclusion5 decks74 decks
2%synergy
Bleed Dry
6.8%inclusion5 decks74 decks
6%synergy
Darkness
6.8%inclusion5 decks74 decks
-3%synergy
Bake into a Pie
6.8%inclusion5 decks74 decks
6%synergy
Unlikely Aid
6.8%inclusion5 decks74 decks
6%synergy
Offer Immortality
6.8%inclusion5 decks74 decks
5%synergy
Szat's Will
6.8%inclusion5 decks74 decks
4%synergy
Altar's Reap
6.8%inclusion5 decks74 decks
4%synergy
Fated Return
5.4%inclusion4 decks74 decks
5%synergy
Not Dead After All
5.4%inclusion4 decks74 decks
-6%synergy
Baleful Mastery
5.4%inclusion4 decks74 decks
-4%synergy
Dismember
5.4%inclusion4 decks74 decks
-6%synergy
Songs of the Damned
5.4%inclusion4 decks74 decks
0%synergy
Price of Fame
5.4%inclusion4 decks74 decks
4%synergy
Battle-Rage Blessing
5.4%inclusion4 decks74 decks
5%synergy
Raise the Draugr
5.4%inclusion4 decks74 decks
4%synergy
Imp's Mischief
5.4%inclusion4 decks74 decks
-18%synergy
Grasp of Darkness
5.4%inclusion4 decks74 decks
3%synergy
You Are Already Dead
5.4%inclusion4 decks74 decks
5%synergy
Feign Death
5.4%inclusion4 decks74 decks
-3%synergy
Sorceries
Exsanguinate
31%inclusion23 decks74 decks
7%synergy
Diabolic Tutor
28%inclusion21 decks74 decks
14%synergy
Read the Bones
19%inclusion14 decks74 decks
1%synergy
Victimize
18%inclusion13 decks74 decks
-8%synergy
Dread Return
18%inclusion13 decks74 decks
5%synergy
Reanimate
18%inclusion13 decks74 decks
-21%synergy
Blood Tribute
15%inclusion11 decks74 decks
13%synergy
Damnation
15%inclusion11 decks74 decks
-6%synergy
Diabolic Intent
14%inclusion10 decks74 decks
-1%synergy
Innocent Blood
14%inclusion10 decks74 decks
8%synergy
In Garruk's Wake
12%inclusion9 decks74 decks
8%synergy
Toxic Deluge
12%inclusion9 decks74 decks
-25%synergy
Torment of Hailfire
11%inclusion8 decks74 decks
-5%synergy
Duress
11%inclusion8 decks74 decks
4%synergy
Corrupt
11%inclusion8 decks74 decks
8%synergy
Plague Wind
9.5%inclusion7 decks74 decks
9%synergy
Night's Whisper
9.5%inclusion7 decks74 decks
-15%synergy
Bubbling Muck
9.5%inclusion7 decks74 decks
-6%synergy
Insatiable Avarice
8.5%inclusion6 decks71 decks
-4%synergy
Olivia's Wrath
8.1%inclusion6 decks74 decks
8%synergy
Kindred Dominance
8.1%inclusion6 decks74 decks
3%synergy
Drain Life
8.1%inclusion6 decks74 decks
7%synergy
Feast of Blood
8.1%inclusion6 decks74 decks
8%synergy
Asphyxiate
8.1%inclusion6 decks74 decks
8%synergy
Agadeem's Awakening
8.1%inclusion6 decks74 decks
1%synergy
Mutilate
8.1%inclusion6 decks74 decks
-11%synergy
Disentomb
8.1%inclusion6 decks74 decks
7%synergy
Profane Command
6.8%inclusion5 decks74 decks
5%synergy
Consume Spirit
6.8%inclusion5 decks74 decks
5%synergy
Beacon of Unrest
6.8%inclusion5 decks74 decks
2%synergy
Crippling Fear
6.8%inclusion5 decks74 decks
3%synergy
Bone Shards
6.8%inclusion5 decks74 decks
3%synergy
Fell
6.2%inclusion4 decks65 decks
2%synergy
Killing Wave
5.4%inclusion4 decks74 decks
3%synergy
Raise Dead
5.4%inclusion4 decks74 decks
4%synergy
Mire in Misery
5.4%inclusion4 decks74 decks
2%synergy
Blood Money
5.4%inclusion4 decks74 decks
2%synergy
Deadly Tempest
5.4%inclusion4 decks74 decks
3%synergy
Languish
5.4%inclusion4 decks74 decks
4%synergy
New Blood
5.4%inclusion4 decks74 decks
5%synergy
Inquisition of Kozilek
5.4%inclusion4 decks74 decks
3%synergy
Beseech the Queen
5.4%inclusion4 decks74 decks
-1%synergy
Utility Artifacts
Lightning Greaves
28%inclusion21 decks74 decks
-5%synergy
Bontu's Monument
26%inclusion19 decks74 decks
-2%synergy
Vorpal Sword
20%inclusion15 decks74 decks
16%synergy
Ashnod's Altar
19%inclusion14 decks74 decks
-1%synergy
Blackblade Reforged
14%inclusion10 decks74 decks
11%synergy
The Darkness Crystal
13%inclusion4 decks32 decks
-7%synergy
Haunted Cloak
12%inclusion9 decks74 decks
11%synergy
Whispersilk Cloak
12%inclusion9 decks74 decks
6%synergy
Ghost Lantern
11%inclusion8 decks74 decks
10%synergy
Demon's Horn
9.5%inclusion7 decks74 decks
5%synergy
Sword of Vengeance
9.5%inclusion7 decks74 decks
9%synergy
Glass-Cast Heart
8.1%inclusion6 decks74 decks
8%synergy
Herald's Horn
8.1%inclusion6 decks74 decks
3%synergy
Quietus Spike
8.1%inclusion6 decks74 decks
7%synergy
Skullclamp
8.1%inclusion6 decks74 decks
-13%synergy
Loxodon Warhammer
8.1%inclusion6 decks74 decks
7%synergy
Wayfarer's Bauble
6.8%inclusion5 decks74 decks
-10%synergy
Fireshrieker
6.8%inclusion5 decks74 decks
5%synergy
Whip of Erebos
6.8%inclusion5 decks74 decks
-4%synergy
Basilisk Collar
6.8%inclusion5 decks74 decks
4%synergy
Mithril Coat
5.4%inclusion4 decks74 decks
0%synergy
Expedition Map
5.4%inclusion4 decks74 decks
-7%synergy
Elixir of Immortality
5.4%inclusion4 decks74 decks
3%synergy
Carnage Altar
5.4%inclusion4 decks74 decks
5%synergy
Sword of the Animist
5.4%inclusion4 decks74 decks
1%synergy
Dowsing Dagger
5.4%inclusion4 decks74 decks
4%synergy
Enchantments
Phyrexian Arena
30%inclusion22 decks74 decks
-11%synergy
Exquisite Blood
26%inclusion19 decks74 decks
12%synergy
Dictate of Erebos
23%inclusion17 decks74 decks
12%synergy
Eternal Thirst
22%inclusion16 decks74 decks
19%synergy
The Meathook Massacre
15%inclusion11 decks74 decks
-2%synergy
Bad Moon
12%inclusion9 decks74 decks
9%synergy
The Eldest Reborn
12%inclusion9 decks74 decks
8%synergy
Vampiric Rites
11%inclusion8 decks74 decks
5%synergy
Necrosynthesis
11%inclusion8 decks74 decks
10%synergy
Gift of Fangs
11%inclusion8 decks74 decks
11%synergy
Bastion of Remembrance
11%inclusion8 decks74 decks
-5%synergy
Kaya's Ghostform
9.5%inclusion7 decks74 decks
-1%synergy
Black Market Connections
8.1%inclusion6 decks74 decks
-15%synergy
Open the Graves
6.8%inclusion5 decks74 decks
3%synergy
Warlock Class
6.8%inclusion5 decks74 decks
5%synergy
Dark Tutelage
5.4%inclusion4 decks74 decks
4%synergy
Court of Ambition
5.4%inclusion4 decks74 decks
1%synergy
Underworld Dreams
5.4%inclusion4 decks74 decks
-1%synergy
Intimidation
5.4%inclusion4 decks74 decks
5%synergy
Painful Quandary
5.4%inclusion4 decks74 decks
-5%synergy
Pestilence
5.4%inclusion4 decks74 decks
2%synergy
Call the Bloodline
5.4%inclusion4 decks74 decks
5%synergy
Clawing Torment
5.4%inclusion4 decks74 decks
5%synergy
Mark of the Vampire
5.4%inclusion4 decks74 decks
5%synergy
Animate Dead
5.4%inclusion4 decks74 decks
-12%synergy
Planeswalkers
Liliana of the Dark Realms
22%inclusion16 decks74 decks
8%synergy
Tevesh Szat, Doom of Fools
11%inclusion8 decks74 decks
8%synergy
Sorin, Imperious Bloodlord
9.5%inclusion7 decks74 decks
9%synergy
Ob Nixilis Reignited
5.4%inclusion4 decks74 decks
3%synergy
Utility Lands
Cabal Coffers
46%inclusion34 decks74 decks
-9%synergy
Bojuka Bog
45%inclusion33 decks74 decks
-2%synergy
Mortuary Mire
28%inclusion21 decks74 decks
15%synergy
Crypt of Agadeem
26%inclusion19 decks74 decks
15%synergy
Witch's Cottage
26%inclusion19 decks74 decks
1%synergy
Cabal Stronghold
26%inclusion19 decks74 decks
-10%synergy
Urborg, Tomb of Yawgmoth
23%inclusion17 decks74 decks
-15%synergy
Reliquary Tower
20%inclusion15 decks74 decks
-11%synergy
Phyrexian Tower
16%inclusion12 decks74 decks
-8%synergy
Castle Locthwain
16%inclusion12 decks74 decks
-1%synergy
Barren Moor
14%inclusion10 decks74 decks
3%synergy
Arcane Lighthouse
9.5%inclusion7 decks74 decks
8%synergy
Temple of the False God
9.5%inclusion7 decks74 decks
1%synergy
Leechridden Swamp
9.5%inclusion7 decks74 decks
7%synergy
War Room
9.5%inclusion7 decks74 decks
-7%synergy
Nykthos, Shrine to Nyx
8.1%inclusion6 decks74 decks
-22%synergy
Polluted Mire
8.1%inclusion6 decks74 decks
4%synergy
Memorial to Folly
8.1%inclusion6 decks74 decks
5%synergy
Desert of the Glorified
6.8%inclusion5 decks74 decks
4%synergy
Volrath's Stronghold
6.8%inclusion5 decks74 decks
3%synergy
Takenuma, Abandoned Mire
6.8%inclusion5 decks74 decks
-9%synergy
Everglades
6.8%inclusion5 decks74 decks
5%synergy
Westvale Abbey
5.4%inclusion4 decks74 decks
-1%synergy
Vault of Whispers
5.4%inclusion4 decks74 decks
0%synergy
Barad-dûr
5.4%inclusion4 decks74 decks
2%synergy
Hidden Necropolis
5.4%inclusion4 decks74 decks
4%synergy
Ghost Quarter
5.4%inclusion4 decks74 decks
3%synergy
High Market
5.4%inclusion4 decks74 decks
-1%synergy
Mana Artifacts
Sol Ring
74%inclusion55 decks74 decks
-12%synergy
Arcane Signet
43%inclusion32 decks74 decks
-19%synergy
Charcoal Diamond
32%inclusion24 decks74 decks
9%synergy
Commander's Sphere
18%inclusion13 decks74 decks
8%synergy
Thought Vessel
18%inclusion13 decks74 decks
-10%synergy
Heraldic Banner
15%inclusion11 decks74 decks
9%synergy
Nyx Lotus
15%inclusion11 decks74 decks
8%synergy
Pristine Talisman
15%inclusion11 decks74 decks
13%synergy
Mind Stone
15%inclusion11 decks74 decks
-16%synergy
Worn Powerstone
11%inclusion8 decks74 decks
6%synergy
Crowded Crypt
9.5%inclusion7 decks74 decks
4%synergy
Fellwar Stone
8.1%inclusion6 decks74 decks
-7%synergy
Thran Dynamo
8.1%inclusion6 decks74 decks
2%synergy
The Soul Stone
7.7%inclusion2 decks26 decks
-5%synergy
Caged Sun
5.4%inclusion4 decks74 decks
-7%synergy
Gauntlet of Power
5.4%inclusion4 decks74 decks
2%synergy
Lands
Swamp
100%inclusion74 decks74 decks
5%synergy
Myriad Landscape
24%inclusion18 decks74 decks
-2%synergy
Malakir Rebirth
16%inclusion12 decks74 decks
-6%synergy
Path of Ancestry
15%inclusion11 decks74 decks
10%synergy
Voldaren Estate
9.5%inclusion7 decks74 decks
9%synergy
Evolving Wilds
9.5%inclusion7 decks74 decks
6%synergy
Agadeem's Awakening
8.1%inclusion6 decks74 decks
1%synergy
Hagra Mauling
6.8%inclusion5 decks74 decks
2%synergy
Command Tower
6.8%inclusion5 decks74 decks
1%synergy