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

Falthis, Shadowcat Familiar // Sengir, the Dark Baron
Rank #3,106
76decks
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
42%inclusion32 decks76 decks
41%synergy
Blade of the Bloodchief
42%inclusion32 decks76 decks
40%synergy
Vampire Nighthawk
39%inclusion30 decks76 decks
34%synergy
Murder
41%inclusion31 decks76 decks
31%synergy
Butcher of Malakir
37%inclusion28 decks76 decks
30%synergy
Yahenni, Undying Partisan
36%inclusion27 decks76 decks
29%synergy
Rogue's Passage
47%inclusion36 decks76 decks
29%synergy
Grave Pact
47%inclusion36 decks76 decks
28%synergy
Indulgent Aristocrat
26%inclusion20 decks76 decks
26%synergy
Patron of the Vein
26%inclusion20 decks76 decks
25%synergy
Top Cards
Dark Ritual
53%inclusion40 decks76 decks
-14%synergy
Feed the Swarm
50%inclusion38 decks76 decks
-1%synergy
Blood Artist
46%inclusion35 decks76 decks
14%synergy
Swiftfoot Boots
45%inclusion34 decks76 decks
13%synergy
Jet Medallion
43%inclusion33 decks76 decks
-18%synergy
Exsanguinate
34%inclusion26 decks76 decks
10%synergy
Defile
34%inclusion26 decks76 decks
-3%synergy
Viscera Seer
34%inclusion26 decks76 decks
17%synergy
Gray Merchant of Asphodel
33%inclusion25 decks76 decks
-19%synergy
Black Market
33%inclusion25 decks76 decks
12%synergy
Game Changers
Demonic Tutor
30%inclusion23 decks76 decks
3%synergy
Vampiric Tutor
16%inclusion12 decks76 decks
-5%synergy
Bolas's Citadel
12%inclusion9 decks76 decks
-17%synergy
Creatures
Vito, Thorn of the Dusk Rose
30%inclusion23 decks76 decks
20%synergy
Falkenrath Noble
26%inclusion20 decks76 decks
21%synergy
Vampire of the Dire Moon
26%inclusion20 decks76 decks
24%synergy
Crypt Ghast
26%inclusion20 decks76 decks
-22%synergy
Anowon, the Ruin Sage
25%inclusion19 decks76 decks
24%synergy
Vein Ripper
25%inclusion19 decks76 decks
20%synergy
Bloodthirsty Conqueror
25%inclusion16 decks65 decks
16%synergy
Nirkana Revenant
24%inclusion18 decks76 decks
12%synergy
Gifted Aetherborn
24%inclusion18 decks76 decks
20%synergy
Burnished Hart
24%inclusion18 decks76 decks
16%synergy
Bloodline Keeper
22%inclusion17 decks76 decks
21%synergy
Plaguecrafter
21%inclusion16 decks76 decks
1%synergy
Shadow Alley Denizen
21%inclusion16 decks76 decks
19%synergy
Bloodghast
21%inclusion16 decks76 decks
10%synergy
Ayara, First of Locthwain
21%inclusion16 decks76 decks
-5%synergy
Syr Konrad, the Grim
20%inclusion15 decks76 decks
-1%synergy
Reassembling Skeleton
20%inclusion15 decks76 decks
3%synergy
Marauding Blight-Priest
18%inclusion14 decks76 decks
12%synergy
Captivating Vampire
18%inclusion14 decks76 decks
18%synergy
Slaughter Specialist
18%inclusion14 decks76 decks
16%synergy
Drana, Liberator of Malakir
17%inclusion13 decks76 decks
14%synergy
Solemn Simulacrum
17%inclusion13 decks76 decks
-6%synergy
Bloodletter of Aclazotz
17%inclusion13 decks76 decks
6%synergy
Fleshbag Marauder
17%inclusion13 decks76 decks
1%synergy
Morbid Opportunist
16%inclusion12 decks76 decks
-7%synergy
Zulaport Cutthroat
16%inclusion12 decks76 decks
-7%synergy
Bloodthirsty Aerialist
16%inclusion12 decks76 decks
14%synergy
Sangromancer
16%inclusion12 decks76 decks
5%synergy
Nighthawk Scavenger
16%inclusion12 decks76 decks
10%synergy
Massacre Girl
14%inclusion11 decks76 decks
7%synergy
Sheoldred, Whispering One
14%inclusion11 decks76 decks
3%synergy
Nullpriest of Oblivion
14%inclusion11 decks76 decks
13%synergy
Qarsi Revenant
14%inclusion7 decks51 decks
9%synergy
Accursed Marauder
14%inclusion10 decks73 decks
-7%synergy
Necropolis Regent
13%inclusion10 decks76 decks
12%synergy
Massacre Wurm
13%inclusion10 decks76 decks
-4%synergy
Pawn of Ulamog
13%inclusion10 decks76 decks
4%synergy
Crossway Troublemakers
13%inclusion10 decks76 decks
12%synergy
Braids, Arisen Nightmare
13%inclusion10 decks76 decks
-6%synergy
Master of Dark Rites
12%inclusion9 decks76 decks
11%synergy
Bloodline Necromancer
12%inclusion9 decks76 decks
11%synergy
Sanctum Seeker
12%inclusion9 decks76 decks
11%synergy
Vindictive Vampire
12%inclusion9 decks76 decks
9%synergy
Bloodlord of Vaasgoth
11%inclusion8 decks76 decks
10%synergy
Drana, the Last Bloodchief
11%inclusion8 decks76 decks
10%synergy
Knight of the Ebon Legion
11%inclusion8 decks76 decks
10%synergy
Gatekeeper of Malakir
11%inclusion8 decks76 decks
10%synergy
Child of Night
11%inclusion8 decks76 decks
10%synergy
Ophiomancer
9.2%inclusion7 decks76 decks
-7%synergy
Vraan, Executioner Thane
9.2%inclusion7 decks76 decks
6%synergy
Instants
Doom Blade
33%inclusion25 decks76 decks
25%synergy
Go for the Throat
29%inclusion22 decks76 decks
6%synergy
Village Rites
25%inclusion19 decks76 decks
0%synergy
Deadly Dispute
22%inclusion17 decks76 decks
-3%synergy
Corrupted Conviction
21%inclusion16 decks76 decks
9%synergy
Tragic Slip
20%inclusion15 decks76 decks
-1%synergy
Oblivion's Hunger
17%inclusion13 decks76 decks
17%synergy
Armor of Shadows
16%inclusion12 decks76 decks
14%synergy
Malakir Rebirth
16%inclusion12 decks76 decks
-7%synergy
Soul Shatter
16%inclusion12 decks76 decks
4%synergy
Infernal Grasp
16%inclusion12 decks76 decks
-9%synergy
Urge to Feed
14%inclusion11 decks76 decks
14%synergy
Hero's Downfall
14%inclusion11 decks76 decks
8%synergy
Consuming Corruption
12%inclusion9 decks73 decks
-4%synergy
Astarion's Thirst
12%inclusion9 decks76 decks
10%synergy
Terror
11%inclusion8 decks76 decks
9%synergy
Cast Down
11%inclusion8 decks76 decks
9%synergy
Deadly Rollick
11%inclusion8 decks76 decks
-13%synergy
Sudden Spoiling
11%inclusion8 decks76 decks
1%synergy
Supernatural Stamina
9.2%inclusion7 decks76 decks
2%synergy
Bitter Triumph
9.2%inclusion7 decks76 decks
-1%synergy
Withering Torment
9.0%inclusion6 decks67 decks
-23%synergy
Bake into a Pie
7.9%inclusion6 decks76 decks
7%synergy
Offer Immortality
7.9%inclusion6 decks76 decks
6%synergy
Baleful Mastery
7.9%inclusion6 decks76 decks
-1%synergy
Altar's Reap
7.9%inclusion6 decks76 decks
5%synergy
Undying Malice
7.9%inclusion6 decks76 decks
-2%synergy
Costly Plunder
7.9%inclusion6 decks76 decks
5%synergy
Darkness
7.9%inclusion6 decks76 decks
-2%synergy
Blood Pact
7.9%inclusion6 decks76 decks
4%synergy
Flare of Malice
6.8%inclusion5 decks73 decks
-6%synergy
Hagra Mauling
6.6%inclusion5 decks76 decks
2%synergy
Bleed Dry
6.6%inclusion5 decks76 decks
6%synergy
Unlikely Aid
6.6%inclusion5 decks76 decks
6%synergy
Tainted Strike
6.6%inclusion5 decks76 decks
4%synergy
Gravepurge
6.6%inclusion5 decks76 decks
5%synergy
Feign Death
6.6%inclusion5 decks76 decks
-2%synergy
Fated Return
5.3%inclusion4 decks76 decks
5%synergy
Not Dead After All
5.3%inclusion4 decks76 decks
-6%synergy
Blood Curdle
5.3%inclusion4 decks76 decks
5%synergy
Battle-Rage Blessing
5.3%inclusion4 decks76 decks
4%synergy
Tendrils of Corruption
5.3%inclusion4 decks76 decks
2%synergy
Fake Your Own Death
5.3%inclusion4 decks76 decks
-2%synergy
Bladebrand
5.3%inclusion4 decks76 decks
4%synergy
Lethal Scheme
5.3%inclusion4 decks76 decks
3%synergy
Songs of the Damned
5.3%inclusion4 decks76 decks
0%synergy
Grasp of Darkness
5.3%inclusion4 decks76 decks
3%synergy
Black Sun's Twilight
5.3%inclusion4 decks76 decks
1%synergy
Tribute to Hunger
5.3%inclusion4 decks76 decks
5%synergy
Szat's Will
5.3%inclusion4 decks76 decks
3%synergy
Sorceries
Sign in Blood
32%inclusion24 decks76 decks
-4%synergy
Diabolic Tutor
26%inclusion20 decks76 decks
12%synergy
Read the Bones
21%inclusion16 decks76 decks
3%synergy
Victimize
20%inclusion15 decks76 decks
-7%synergy
Dread Return
18%inclusion14 decks76 decks
6%synergy
Reanimate
17%inclusion13 decks76 decks
-22%synergy
Blood Tribute
14%inclusion11 decks76 decks
13%synergy
Toxic Deluge
13%inclusion10 decks76 decks
-24%synergy
Damnation
13%inclusion10 decks76 decks
-8%synergy
Diabolic Intent
13%inclusion10 decks76 decks
-1%synergy
Night's Whisper
12%inclusion9 decks76 decks
-13%synergy
Innocent Blood
12%inclusion9 decks76 decks
6%synergy
Corrupt
11%inclusion8 decks76 decks
8%synergy
In Garruk's Wake
11%inclusion8 decks76 decks
6%synergy
Kindred Dominance
9.2%inclusion7 decks76 decks
5%synergy
Disentomb
9.2%inclusion7 decks76 decks
8%synergy
Feast of Blood
9.2%inclusion7 decks76 decks
9%synergy
Duress
9.2%inclusion7 decks76 decks
3%synergy
Bubbling Muck
9.2%inclusion7 decks76 decks
-6%synergy
Asphyxiate
7.9%inclusion6 decks76 decks
8%synergy
Torment of Hailfire
7.9%inclusion6 decks76 decks
-8%synergy
Agadeem's Awakening
7.9%inclusion6 decks76 decks
1%synergy
Plague Wind
7.9%inclusion6 decks76 decks
7%synergy
Insatiable Avarice
6.7%inclusion5 decks75 decks
-5%synergy
Mutilate
6.6%inclusion5 decks76 decks
-11%synergy
Olivia's Wrath
6.6%inclusion5 decks76 decks
6%synergy
Profane Command
6.6%inclusion5 decks76 decks
5%synergy
Crippling Fear
6.6%inclusion5 decks76 decks
3%synergy
Killing Wave
6.6%inclusion5 decks76 decks
4%synergy
Consume Spirit
6.6%inclusion5 decks76 decks
5%synergy
Beacon of Unrest
6.6%inclusion5 decks76 decks
2%synergy
Raise Dead
6.6%inclusion5 decks76 decks
6%synergy
Drain Life
6.6%inclusion5 decks76 decks
6%synergy
Fell
5.7%inclusion4 decks70 decks
2%synergy
New Blood
5.3%inclusion4 decks76 decks
5%synergy
Blood Money
5.3%inclusion4 decks76 decks
2%synergy
Bone Shards
5.3%inclusion4 decks76 decks
2%synergy
Beseech the Queen
5.3%inclusion4 decks76 decks
-1%synergy
Languish
5.3%inclusion4 decks76 decks
4%synergy
Deadly Tempest
5.3%inclusion4 decks76 decks
3%synergy
Mire in Misery
5.3%inclusion4 decks76 decks
2%synergy
Day of Black Sun
5.0%inclusion1 decks20 decks
3%synergy
Utility Artifacts
Lightning Greaves
30%inclusion23 decks76 decks
-3%synergy
Bontu's Monument
28%inclusion21 decks76 decks
0%synergy
The Darkness Crystal
18%inclusion7 decks39 decks
-2%synergy
Ashnod's Altar
17%inclusion13 decks76 decks
-2%synergy
Vorpal Sword
17%inclusion13 decks76 decks
13%synergy
Whispersilk Cloak
13%inclusion10 decks76 decks
7%synergy
Blackblade Reforged
13%inclusion10 decks76 decks
10%synergy
Haunted Cloak
12%inclusion9 decks76 decks
11%synergy
Whip of Erebos
9.2%inclusion7 decks76 decks
-1%synergy
Sword of Vengeance
9.2%inclusion7 decks76 decks
8%synergy
Demon's Horn
9.2%inclusion7 decks76 decks
5%synergy
Ghost Lantern
9.2%inclusion7 decks76 decks
8%synergy
Herald's Horn
9.2%inclusion7 decks76 decks
4%synergy
Skullclamp
7.9%inclusion6 decks76 decks
-13%synergy
Darksteel Plate
7.9%inclusion6 decks76 decks
6%synergy
Basilisk Collar
7.9%inclusion6 decks76 decks
5%synergy
Loxodon Warhammer
7.9%inclusion6 decks76 decks
7%synergy
Quietus Spike
6.6%inclusion5 decks76 decks
6%synergy
Fireshrieker
6.6%inclusion5 decks76 decks
5%synergy
Wayfarer's Bauble
6.6%inclusion5 decks76 decks
-9%synergy
Glass-Cast Heart
6.6%inclusion5 decks76 decks
6%synergy
Elixir of Immortality
5.3%inclusion4 decks76 decks
3%synergy
Phyrexian Altar
5.3%inclusion4 decks76 decks
-8%synergy
Mithril Coat
5.3%inclusion4 decks76 decks
0%synergy
Staff of the Death Magus
5.3%inclusion4 decks76 decks
2%synergy
The Ozolith
5.3%inclusion4 decks76 decks
4%synergy
Expedition Map
5.3%inclusion4 decks76 decks
-7%synergy
Sword of the Animist
5.3%inclusion4 decks76 decks
1%synergy
Enchantments
Sanguine Bond
32%inclusion24 decks76 decks
20%synergy
Phyrexian Arena
29%inclusion22 decks76 decks
-11%synergy
Exquisite Blood
29%inclusion22 decks76 decks
16%synergy
Eternal Thirst
25%inclusion19 decks76 decks
23%synergy
Dictate of Erebos
21%inclusion16 decks76 decks
10%synergy
The Meathook Massacre
16%inclusion12 decks76 decks
-2%synergy
Bad Moon
13%inclusion10 decks76 decks
10%synergy
Gift of Fangs
12%inclusion9 decks76 decks
12%synergy
Bastion of Remembrance
11%inclusion8 decks76 decks
-6%synergy
Vampiric Rites
11%inclusion8 decks76 decks
5%synergy
Necrosynthesis
11%inclusion8 decks76 decks
9%synergy
Kaya's Ghostform
9.2%inclusion7 decks76 decks
-1%synergy
Black Market Connections
9.2%inclusion7 decks76 decks
-14%synergy
The Eldest Reborn
9.2%inclusion7 decks76 decks
5%synergy
Mark of the Vampire
7.9%inclusion6 decks76 decks
8%synergy
Open the Graves
6.6%inclusion5 decks76 decks
3%synergy
Warlock Class
6.6%inclusion5 decks76 decks
5%synergy
Phyrexian Reclamation
6.6%inclusion5 decks76 decks
-3%synergy
Pestilence
6.6%inclusion5 decks76 decks
3%synergy
Clawing Torment
5.3%inclusion4 decks76 decks
5%synergy
Court of Ambition
5.3%inclusion4 decks76 decks
1%synergy
Call the Bloodline
5.3%inclusion4 decks76 decks
5%synergy
Underworld Dreams
5.3%inclusion4 decks76 decks
-1%synergy
Intimidation
5.3%inclusion4 decks76 decks
5%synergy
Animate Dead
5.3%inclusion4 decks76 decks
-12%synergy
Stab Wound
5.3%inclusion4 decks76 decks
5%synergy
Planeswalkers
Liliana of the Dark Realms
21%inclusion16 decks76 decks
7%synergy
Tevesh Szat, Doom of Fools
12%inclusion9 decks76 decks
9%synergy
Sorin, Imperious Bloodlord
9.2%inclusion7 decks76 decks
9%synergy
Ob Nixilis Reignited
5.3%inclusion4 decks76 decks
3%synergy
Utility Lands
Cabal Coffers
46%inclusion35 decks76 decks
-9%synergy
Bojuka Bog
43%inclusion33 decks76 decks
-4%synergy
Mortuary Mire
29%inclusion22 decks76 decks
16%synergy
Witch's Cottage
28%inclusion21 decks76 decks
3%synergy
Crypt of Agadeem
26%inclusion20 decks76 decks
15%synergy
Cabal Stronghold
25%inclusion19 decks76 decks
-10%synergy
Urborg, Tomb of Yawgmoth
21%inclusion16 decks76 decks
-16%synergy
Reliquary Tower
20%inclusion15 decks76 decks
-11%synergy
Phyrexian Tower
16%inclusion12 decks76 decks
-9%synergy
Castle Locthwain
16%inclusion12 decks76 decks
-2%synergy
Barren Moor
12%inclusion9 decks76 decks
2%synergy
Temple of the False God
11%inclusion8 decks76 decks
3%synergy
Leechridden Swamp
11%inclusion8 decks76 decks
8%synergy
Arcane Lighthouse
9.2%inclusion7 decks76 decks
7%synergy
War Room
9.2%inclusion7 decks76 decks
-7%synergy
Nykthos, Shrine to Nyx
9.2%inclusion7 decks76 decks
-21%synergy
Takenuma, Abandoned Mire
7.9%inclusion6 decks76 decks
-8%synergy
Everglades
7.9%inclusion6 decks76 decks
6%synergy
Westvale Abbey
6.6%inclusion5 decks76 decks
0%synergy
High Market
6.6%inclusion5 decks76 decks
0%synergy
Volrath's Stronghold
6.6%inclusion5 decks76 decks
3%synergy
Polluted Mire
6.6%inclusion5 decks76 decks
3%synergy
Hidden Necropolis
5.3%inclusion4 decks76 decks
4%synergy
Desert of the Glorified
5.3%inclusion4 decks76 decks
2%synergy
Memorial to Folly
5.3%inclusion4 decks76 decks
2%synergy
Barad-dûr
5.3%inclusion4 decks76 decks
1%synergy
Ghost Quarter
5.3%inclusion4 decks76 decks
3%synergy
Secret Tunnel
5.0%inclusion1 decks20 decks
4%synergy
Mana Artifacts
Sol Ring
75%inclusion57 decks76 decks
-11%synergy
Arcane Signet
45%inclusion34 decks76 decks
-17%synergy
Charcoal Diamond
30%inclusion23 decks76 decks
7%synergy
Thought Vessel
21%inclusion16 decks76 decks
-5%synergy
Pristine Talisman
16%inclusion12 decks76 decks
14%synergy
Commander's Sphere
16%inclusion12 decks76 decks
7%synergy
Heraldic Banner
14%inclusion11 decks76 decks
9%synergy
Mind Stone
14%inclusion11 decks76 decks
-16%synergy
Nyx Lotus
14%inclusion11 decks76 decks
8%synergy
Worn Powerstone
11%inclusion8 decks76 decks
6%synergy
Thran Dynamo
9.2%inclusion7 decks76 decks
3%synergy
Crowded Crypt
9.2%inclusion7 decks76 decks
4%synergy
Fellwar Stone
7.9%inclusion6 decks76 decks
-7%synergy
Caged Sun
6.6%inclusion5 decks76 decks
-5%synergy
Gauntlet of Power
6.6%inclusion5 decks76 decks
3%synergy
The Soul Stone
6.1%inclusion2 decks33 decks
-7%synergy
Lands
Swamp
99%inclusion75 decks76 decks
4%synergy
Myriad Landscape
25%inclusion19 decks76 decks
-1%synergy
Malakir Rebirth
16%inclusion12 decks76 decks
-7%synergy
Path of Ancestry
14%inclusion11 decks76 decks
9%synergy
Evolving Wilds
12%inclusion9 decks76 decks
8%synergy
Command Tower
9.2%inclusion7 decks76 decks
4%synergy
Voldaren Estate
9.2%inclusion7 decks76 decks
9%synergy
Agadeem's Awakening
7.9%inclusion6 decks76 decks
1%synergy
Hagra Mauling
6.6%inclusion5 decks76 decks
2%synergy
Snow-Covered Swamp
6.6%inclusion5 decks76 decks
0%synergy