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

Falthis, Shadowcat Familiar // Sengir, the Dark Baron
Rank #3,090
73decks
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
Cordial Vampire
41%inclusion30 decks73 decks
40%synergy
Blade of the Bloodchief
41%inclusion30 decks73 decks
39%synergy
Vampire Nighthawk
37%inclusion27 decks73 decks
31%synergy
Yahenni, Undying Partisan
37%inclusion27 decks73 decks
31%synergy
Murder
40%inclusion29 decks73 decks
30%synergy
Rogue's Passage
48%inclusion35 decks73 decks
29%synergy
Grave Pact
48%inclusion35 decks73 decks
29%synergy
Butcher of Malakir
36%inclusion26 decks73 decks
29%synergy
Doom Blade
34%inclusion25 decks73 decks
27%synergy
Patron of the Vein
26%inclusion19 decks73 decks
25%synergy
Top Cards
Dark Ritual
52%inclusion38 decks73 decks
-15%synergy
Feed the Swarm
51%inclusion37 decks73 decks
0%synergy
Swiftfoot Boots
48%inclusion35 decks73 decks
16%synergy
Blood Artist
45%inclusion33 decks73 decks
14%synergy
Jet Medallion
44%inclusion32 decks73 decks
-17%synergy
Gray Merchant of Asphodel
34%inclusion25 decks73 decks
-17%synergy
Viscera Seer
34%inclusion25 decks73 decks
17%synergy
Defile
34%inclusion25 decks73 decks
-3%synergy
Exsanguinate
33%inclusion24 decks73 decks
8%synergy
Sanguine Bond
33%inclusion24 decks73 decks
21%synergy
Game Changers
Demonic Tutor
32%inclusion23 decks73 decks
4%synergy
Vampiric Tutor
15%inclusion11 decks73 decks
-6%synergy
Bolas's Citadel
12%inclusion9 decks73 decks
-17%synergy
Creatures
Vito, Thorn of the Dusk Rose
29%inclusion21 decks73 decks
18%synergy
Crypt Ghast
26%inclusion19 decks73 decks
-22%synergy
Falkenrath Noble
26%inclusion19 decks73 decks
20%synergy
Vein Ripper
26%inclusion19 decks73 decks
21%synergy
Anowon, the Ruin Sage
25%inclusion18 decks73 decks
24%synergy
Indulgent Aristocrat
25%inclusion18 decks73 decks
24%synergy
Vampire of the Dire Moon
25%inclusion18 decks73 decks
22%synergy
Burnished Hart
25%inclusion18 decks73 decks
17%synergy
Bloodthirsty Conqueror
25%inclusion15 decks61 decks
16%synergy
Gifted Aetherborn
23%inclusion17 decks73 decks
20%synergy
Bloodline Keeper
23%inclusion17 decks73 decks
22%synergy
Nirkana Revenant
23%inclusion17 decks73 decks
12%synergy
Reassembling Skeleton
22%inclusion16 decks73 decks
5%synergy
Bloodghast
22%inclusion16 decks73 decks
11%synergy
Ayara, First of Locthwain
22%inclusion16 decks73 decks
-4%synergy
Plaguecrafter
21%inclusion15 decks73 decks
1%synergy
Shadow Alley Denizen
21%inclusion15 decks73 decks
19%synergy
Syr Konrad, the Grim
19%inclusion14 decks73 decks
-1%synergy
Slaughter Specialist
19%inclusion14 decks73 decks
16%synergy
Marauding Blight-Priest
18%inclusion13 decks73 decks
11%synergy
Solemn Simulacrum
18%inclusion13 decks73 decks
-5%synergy
Bloodletter of Aclazotz
18%inclusion13 decks73 decks
7%synergy
Fleshbag Marauder
16%inclusion12 decks73 decks
1%synergy
Zulaport Cutthroat
16%inclusion12 decks73 decks
-7%synergy
Sangromancer
16%inclusion12 decks73 decks
5%synergy
Nighthawk Scavenger
16%inclusion12 decks73 decks
11%synergy
Captivating Vampire
16%inclusion12 decks73 decks
16%synergy
Nullpriest of Oblivion
16%inclusion12 decks73 decks
15%synergy
Drana, Liberator of Malakir
15%inclusion11 decks73 decks
12%synergy
Sheoldred, Whispering One
15%inclusion11 decks73 decks
3%synergy
Bloodthirsty Aerialist
15%inclusion11 decks73 decks
13%synergy
Morbid Opportunist
15%inclusion11 decks73 decks
-8%synergy
Accursed Marauder
14%inclusion10 decks69 decks
-7%synergy
Crossway Troublemakers
14%inclusion10 decks73 decks
13%synergy
Massacre Girl
14%inclusion10 decks73 decks
6%synergy
Massacre Wurm
14%inclusion10 decks73 decks
-4%synergy
Pawn of Ulamog
14%inclusion10 decks73 decks
4%synergy
Qarsi Revenant
13%inclusion6 decks47 decks
8%synergy
Bloodline Necromancer
12%inclusion9 decks73 decks
12%synergy
Master of Dark Rites
12%inclusion9 decks73 decks
11%synergy
Sanctum Seeker
12%inclusion9 decks73 decks
11%synergy
Braids, Arisen Nightmare
12%inclusion9 decks73 decks
-7%synergy
Necropolis Regent
11%inclusion8 decks73 decks
10%synergy
Drana, the Last Bloodchief
11%inclusion8 decks73 decks
10%synergy
Gatekeeper of Malakir
11%inclusion8 decks73 decks
10%synergy
Child of Night
11%inclusion8 decks73 decks
11%synergy
Bloodlord of Vaasgoth
11%inclusion8 decks73 decks
10%synergy
Vindictive Vampire
10%inclusion7 decks73 decks
7%synergy
Phyrexian Obliterator
10%inclusion7 decks73 decks
-2%synergy
Sengir Vampire
10%inclusion7 decks73 decks
9%synergy
Instants
Go for the Throat
27%inclusion20 decks73 decks
4%synergy
Village Rites
23%inclusion17 decks73 decks
-1%synergy
Deadly Dispute
22%inclusion16 decks73 decks
-3%synergy
Corrupted Conviction
21%inclusion15 decks73 decks
9%synergy
Tragic Slip
21%inclusion15 decks73 decks
0%synergy
Oblivion's Hunger
19%inclusion14 decks73 decks
19%synergy
Armor of Shadows
18%inclusion13 decks73 decks
16%synergy
Soul Shatter
16%inclusion12 decks73 decks
4%synergy
Malakir Rebirth
16%inclusion12 decks73 decks
-6%synergy
Hero's Downfall
15%inclusion11 decks73 decks
8%synergy
Urge to Feed
14%inclusion10 decks73 decks
13%synergy
Infernal Grasp
14%inclusion10 decks73 decks
-11%synergy
Consuming Corruption
12%inclusion8 decks69 decks
-4%synergy
Astarion's Thirst
11%inclusion8 decks73 decks
9%synergy
Deadly Rollick
11%inclusion8 decks73 decks
-13%synergy
Terror
11%inclusion8 decks73 decks
10%synergy
Sudden Spoiling
11%inclusion8 decks73 decks
2%synergy
Cast Down
10%inclusion7 decks73 decks
8%synergy
Supernatural Stamina
10%inclusion7 decks73 decks
2%synergy
Bitter Triumph
10%inclusion7 decks73 decks
0%synergy
Withering Torment
10%inclusion6 decks63 decks
-22%synergy
Undying Malice
8.2%inclusion6 decks73 decks
-1%synergy
Blood Pact
8.2%inclusion6 decks73 decks
4%synergy
Bake into a Pie
8.2%inclusion6 decks73 decks
8%synergy
Offer Immortality
8.2%inclusion6 decks73 decks
6%synergy
Darkness
8.2%inclusion6 decks73 decks
-1%synergy
Flare of Malice
7.2%inclusion5 decks69 decks
-6%synergy
Hagra Mauling
6.8%inclusion5 decks73 decks
2%synergy
Altar's Reap
6.8%inclusion5 decks73 decks
4%synergy
Feign Death
6.8%inclusion5 decks73 decks
-1%synergy
Costly Plunder
6.8%inclusion5 decks73 decks
4%synergy
Baleful Mastery
6.8%inclusion5 decks73 decks
-2%synergy
Szat's Will
6.8%inclusion5 decks73 decks
4%synergy
Unlikely Aid
6.8%inclusion5 decks73 decks
6%synergy
Tainted Strike
6.8%inclusion5 decks73 decks
4%synergy
Songs of the Damned
5.5%inclusion4 decks73 decks
0%synergy
Grasp of Darkness
5.5%inclusion4 decks73 decks
3%synergy
Bleed Dry
5.5%inclusion4 decks73 decks
5%synergy
Blood Curdle
5.5%inclusion4 decks73 decks
5%synergy
Not Dead After All
5.5%inclusion4 decks73 decks
-6%synergy
Gravepurge
5.5%inclusion4 decks73 decks
4%synergy
Dismember
5.5%inclusion4 decks73 decks
-5%synergy
Fated Return
5.5%inclusion4 decks73 decks
5%synergy
Battle-Rage Blessing
5.5%inclusion4 decks73 decks
5%synergy
Raise the Draugr
5.5%inclusion4 decks73 decks
4%synergy
Sorceries
Sign in Blood
30%inclusion22 decks73 decks
-6%synergy
Diabolic Tutor
27%inclusion20 decks73 decks
13%synergy
Victimize
19%inclusion14 decks73 decks
-7%synergy
Dread Return
19%inclusion14 decks73 decks
7%synergy
Read the Bones
19%inclusion14 decks73 decks
1%synergy
Reanimate
18%inclusion13 decks73 decks
-21%synergy
Blood Tribute
16%inclusion12 decks73 decks
15%synergy
Toxic Deluge
14%inclusion10 decks73 decks
-24%synergy
Diabolic Intent
14%inclusion10 decks73 decks
-1%synergy
Damnation
14%inclusion10 decks73 decks
-7%synergy
Innocent Blood
12%inclusion9 decks73 decks
7%synergy
In Garruk's Wake
12%inclusion9 decks73 decks
8%synergy
Night's Whisper
11%inclusion8 decks73 decks
-13%synergy
Corrupt
11%inclusion8 decks73 decks
8%synergy
Plague Wind
10%inclusion7 decks73 decks
9%synergy
Duress
10%inclusion7 decks73 decks
3%synergy
Bubbling Muck
10%inclusion7 decks73 decks
-6%synergy
Disentomb
10%inclusion7 decks73 decks
9%synergy
Asphyxiate
8.2%inclusion6 decks73 decks
8%synergy
Torment of Hailfire
8.2%inclusion6 decks73 decks
-8%synergy
Agadeem's Awakening
8.2%inclusion6 decks73 decks
1%synergy
Olivia's Wrath
8.2%inclusion6 decks73 decks
8%synergy
Kindred Dominance
8.2%inclusion6 decks73 decks
4%synergy
Drain Life
8.2%inclusion6 decks73 decks
7%synergy
Feast of Blood
8.2%inclusion6 decks73 decks
8%synergy
Day of Black Sun
7.1%inclusion1 decks14 decks
5%synergy
Insatiable Avarice
7.0%inclusion5 decks71 decks
-5%synergy
Mutilate
6.8%inclusion5 decks73 decks
-12%synergy
Consume Spirit
6.8%inclusion5 decks73 decks
5%synergy
Beacon of Unrest
6.8%inclusion5 decks73 decks
3%synergy
Profane Command
6.8%inclusion5 decks73 decks
5%synergy
Crippling Fear
6.8%inclusion5 decks73 decks
4%synergy
Bone Shards
6.8%inclusion5 decks73 decks
3%synergy
Raise Dead
6.8%inclusion5 decks73 decks
6%synergy
Fell
6.1%inclusion4 decks66 decks
2%synergy
Blood Money
5.5%inclusion4 decks73 decks
2%synergy
Killing Wave
5.5%inclusion4 decks73 decks
3%synergy
Mire in Misery
5.5%inclusion4 decks73 decks
2%synergy
Languish
5.5%inclusion4 decks73 decks
4%synergy
New Blood
5.5%inclusion4 decks73 decks
5%synergy
Deadly Tempest
5.5%inclusion4 decks73 decks
3%synergy
Beseech the Queen
5.5%inclusion4 decks73 decks
-1%synergy
Utility Artifacts
Lightning Greaves
30%inclusion22 decks73 decks
-3%synergy
Bontu's Monument
27%inclusion20 decks73 decks
-1%synergy
Vorpal Sword
19%inclusion14 decks73 decks
15%synergy
Ashnod's Altar
18%inclusion13 decks73 decks
-2%synergy
The Darkness Crystal
14%inclusion5 decks35 decks
-5%synergy
Whispersilk Cloak
12%inclusion9 decks73 decks
6%synergy
Blackblade Reforged
12%inclusion9 decks73 decks
9%synergy
Haunted Cloak
12%inclusion9 decks73 decks
11%synergy
Ghost Lantern
10%inclusion7 decks73 decks
9%synergy
Demon's Horn
10%inclusion7 decks73 decks
5%synergy
Whip of Erebos
10%inclusion7 decks73 decks
-1%synergy
Sword of Vengeance
10%inclusion7 decks73 decks
9%synergy
Quietus Spike
8.2%inclusion6 decks73 decks
7%synergy
Skullclamp
8.2%inclusion6 decks73 decks
-13%synergy
Loxodon Warhammer
8.2%inclusion6 decks73 decks
7%synergy
Basilisk Collar
8.2%inclusion6 decks73 decks
6%synergy
Glass-Cast Heart
8.2%inclusion6 decks73 decks
8%synergy
Herald's Horn
8.2%inclusion6 decks73 decks
3%synergy
Fireshrieker
6.8%inclusion5 decks73 decks
5%synergy
Elixir of Immortality
6.8%inclusion5 decks73 decks
4%synergy
Wayfarer's Bauble
6.8%inclusion5 decks73 decks
-9%synergy
Darksteel Plate
6.8%inclusion5 decks73 decks
5%synergy
Sword of the Animist
5.5%inclusion4 decks73 decks
2%synergy
Phyrexian Altar
5.5%inclusion4 decks73 decks
-8%synergy
Expedition Map
5.5%inclusion4 decks73 decks
-7%synergy
The Ozolith
5.5%inclusion4 decks73 decks
5%synergy
Mithril Coat
5.5%inclusion4 decks73 decks
0%synergy
Enchantments
Black Market
33%inclusion24 decks73 decks
12%synergy
Phyrexian Arena
30%inclusion22 decks73 decks
-10%synergy
Exquisite Blood
29%inclusion21 decks73 decks
16%synergy
Eternal Thirst
22%inclusion16 decks73 decks
20%synergy
Dictate of Erebos
22%inclusion16 decks73 decks
11%synergy
The Meathook Massacre
15%inclusion11 decks73 decks
-2%synergy
Bad Moon
11%inclusion8 decks73 decks
8%synergy
Necrosynthesis
11%inclusion8 decks73 decks
10%synergy
Bastion of Remembrance
11%inclusion8 decks73 decks
-5%synergy
The Eldest Reborn
11%inclusion8 decks73 decks
7%synergy
Vampiric Rites
11%inclusion8 decks73 decks
5%synergy
Gift of Fangs
11%inclusion8 decks73 decks
11%synergy
Black Market Connections
10%inclusion7 decks73 decks
-14%synergy
Kaya's Ghostform
8.2%inclusion6 decks73 decks
-2%synergy
Phyrexian Reclamation
6.8%inclusion5 decks73 decks
-3%synergy
Animate Dead
6.8%inclusion5 decks73 decks
-11%synergy
Open the Graves
6.8%inclusion5 decks73 decks
3%synergy
Warlock Class
6.8%inclusion5 decks73 decks
5%synergy
Pestilence
6.8%inclusion5 decks73 decks
4%synergy
Court of Ambition
5.5%inclusion4 decks73 decks
1%synergy
Call the Bloodline
5.5%inclusion4 decks73 decks
5%synergy
Intimidation
5.5%inclusion4 decks73 decks
5%synergy
Mark of the Vampire
5.5%inclusion4 decks73 decks
5%synergy
Painful Quandary
5.5%inclusion4 decks73 decks
-5%synergy
Clawing Torment
5.5%inclusion4 decks73 decks
5%synergy
Underworld Dreams
5.5%inclusion4 decks73 decks
-1%synergy
Planeswalkers
Liliana of the Dark Realms
22%inclusion16 decks73 decks
8%synergy
Tevesh Szat, Doom of Fools
12%inclusion9 decks73 decks
9%synergy
Sorin, Imperious Bloodlord
10%inclusion7 decks73 decks
9%synergy
Ob Nixilis Reignited
5.5%inclusion4 decks73 decks
3%synergy
Utility Lands
Cabal Coffers
48%inclusion35 decks73 decks
-7%synergy
Bojuka Bog
42%inclusion31 decks73 decks
-4%synergy
Witch's Cottage
27%inclusion20 decks73 decks
3%synergy
Crypt of Agadeem
26%inclusion19 decks73 decks
15%synergy
Cabal Stronghold
26%inclusion19 decks73 decks
-9%synergy
Mortuary Mire
26%inclusion19 decks73 decks
13%synergy
Urborg, Tomb of Yawgmoth
22%inclusion16 decks73 decks
-16%synergy
Reliquary Tower
21%inclusion15 decks73 decks
-11%synergy
Phyrexian Tower
16%inclusion12 decks73 decks
-8%synergy
Castle Locthwain
16%inclusion12 decks73 decks
-1%synergy
Barren Moor
11%inclusion8 decks73 decks
1%synergy
Temple of the False God
10%inclusion7 decks73 decks
2%synergy
Nykthos, Shrine to Nyx
10%inclusion7 decks73 decks
-20%synergy
Arcane Lighthouse
10%inclusion7 decks73 decks
8%synergy
War Room
10%inclusion7 decks73 decks
-7%synergy
Leechridden Swamp
10%inclusion7 decks73 decks
7%synergy
Takenuma, Abandoned Mire
8.2%inclusion6 decks73 decks
-8%synergy
Secret Tunnel
7.1%inclusion1 decks14 decks
6%synergy
Polluted Mire
6.8%inclusion5 decks73 decks
3%synergy
Everglades
6.8%inclusion5 decks73 decks
5%synergy
Volrath's Stronghold
6.8%inclusion5 decks73 decks
3%synergy
Westvale Abbey
5.5%inclusion4 decks73 decks
-1%synergy
Memorial to Folly
5.5%inclusion4 decks73 decks
2%synergy
Ghost Quarter
5.5%inclusion4 decks73 decks
3%synergy
Barad-dûr
5.5%inclusion4 decks73 decks
2%synergy
Desert of the Glorified
5.5%inclusion4 decks73 decks
3%synergy
High Market
5.5%inclusion4 decks73 decks
-1%synergy
Hidden Necropolis
5.5%inclusion4 decks73 decks
4%synergy
Mana Artifacts
Sol Ring
75%inclusion55 decks73 decks
-11%synergy
Arcane Signet
44%inclusion32 decks73 decks
-19%synergy
Charcoal Diamond
33%inclusion24 decks73 decks
10%synergy
Thought Vessel
19%inclusion14 decks73 decks
-8%synergy
Commander's Sphere
16%inclusion12 decks73 decks
7%synergy
Pristine Talisman
16%inclusion12 decks73 decks
14%synergy
Nyx Lotus
15%inclusion11 decks73 decks
8%synergy
Mind Stone
15%inclusion11 decks73 decks
-15%synergy
Heraldic Banner
15%inclusion11 decks73 decks
9%synergy
Worn Powerstone
11%inclusion8 decks73 decks
7%synergy
Crowded Crypt
10%inclusion7 decks73 decks
4%synergy
Fellwar Stone
8.2%inclusion6 decks73 decks
-7%synergy
Thran Dynamo
8.2%inclusion6 decks73 decks
2%synergy
The Soul Stone
6.9%inclusion2 decks29 decks
-6%synergy
Caged Sun
5.5%inclusion4 decks73 decks
-7%synergy
Gauntlet of Power
5.5%inclusion4 decks73 decks
2%synergy
Lands
Swamp
100%inclusion73 decks73 decks
5%synergy
Myriad Landscape
26%inclusion19 decks73 decks
0%synergy
Malakir Rebirth
16%inclusion12 decks73 decks
-6%synergy
Path of Ancestry
15%inclusion11 decks73 decks
10%synergy
Evolving Wilds
10%inclusion7 decks73 decks
6%synergy
Voldaren Estate
10%inclusion7 decks73 decks
9%synergy
Agadeem's Awakening
8.2%inclusion6 decks73 decks
1%synergy
Command Tower
8.2%inclusion6 decks73 decks
3%synergy
Hagra Mauling
6.8%inclusion5 decks73 decks
2%synergy
Snow-Covered Swamp
5.5%inclusion4 decks73 decks
-1%synergy