Cecil Harvey // Falthis, Shadowcat Familiar (Commander) - Optimized

Cecil Harvey // Falthis, Shadowcat Familiar
Rank #3,659
4decks
As CommanderCecil HarveyFalthis, Shadowcat FamiliarAverage DeckDecks
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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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Utility Lands
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Mai, Scornful Striker
33%inclusion1 decks3 decks
31%synergy
Enter the Avatar State
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Dark Ritual
100%inclusion4 decks4 decks
77%synergy
Game Changers
Demonic Tutor
100%inclusion4 decks4 decks
84%synergy
Vampiric Tutor
75%inclusion3 decks4 decks
63%synergy
Chrome Mox
75%inclusion3 decks4 decks
72%synergy
Teferi's Protection
50%inclusion2 decks4 decks
34%synergy
Bolas's Citadel
50%inclusion2 decks4 decks
36%synergy
Mana Vault
50%inclusion2 decks4 decks
48%synergy
Necropotence
50%inclusion2 decks4 decks
44%synergy
Enlightened Tutor
50%inclusion2 decks4 decks
38%synergy
Ancient Tomb
25%inclusion1 decks4 decks
18%synergy
Ad Nauseam
25%inclusion1 decks4 decks
23%synergy
Creatures
Vito, Thorn of the Dusk Rose
50%inclusion2 decks4 decks
28%synergy
Voice of Victory
50%inclusion2 decks4 decks
45%synergy
Aven Mindcensor
50%inclusion2 decks4 decks
46%synergy
Darkstar Augur
50%inclusion2 decks4 decks
45%synergy
Weathered Wayfarer
50%inclusion2 decks4 decks
45%synergy
Lotho, Corrupt Shirriff
50%inclusion2 decks4 decks
30%synergy
Indulging Patrician
50%inclusion2 decks4 decks
44%synergy
Serra Ascendant
50%inclusion2 decks4 decks
43%synergy
Kunoros, Hound of Athreos
50%inclusion2 decks4 decks
47%synergy
Bloodthirsty Conqueror
50%inclusion2 decks4 decks
40%synergy
Archivist of Oghma
25%inclusion1 decks4 decks
17%synergy
Doorkeeper Thrull
25%inclusion1 decks4 decks
24%synergy
Palace Jailer
25%inclusion1 decks4 decks
25%synergy
Divinity of Pride
25%inclusion1 decks4 decks
23%synergy
Ajani's Sunstriker
25%inclusion1 decks4 decks
25%synergy
Sheoldred, the Apocalypse
25%inclusion1 decks4 decks
18%synergy
Bloodletter of Aclazotz
25%inclusion1 decks4 decks
17%synergy
Esper Sentinel
25%inclusion1 decks4 decks
7%synergy
Heliod, Sun-Crowned
25%inclusion1 decks4 decks
19%synergy
Vault Skirge
25%inclusion1 decks4 decks
25%synergy
Unstoppable Slasher
25%inclusion1 decks4 decks
23%synergy
Dauntless Dismantler
25%inclusion1 decks4 decks
23%synergy
Marionette Apprentice
25%inclusion1 decks4 decks
15%synergy
Karmic Guide
25%inclusion1 decks4 decks
20%synergy
Cartel Aristocrat
25%inclusion1 decks4 decks
23%synergy
Elas il-Kor, Sadistic Pilgrim
25%inclusion1 decks4 decks
-10%synergy
Fiend Hunter
25%inclusion1 decks4 decks
23%synergy
Archon of Emeria
25%inclusion1 decks4 decks
23%synergy
Dauthi Voidwalker
25%inclusion1 decks4 decks
18%synergy
Soul Warden
25%inclusion1 decks4 decks
7%synergy
Viscera Seer
25%inclusion1 decks4 decks
3%synergy
Gwenom, Remorseless
25%inclusion1 decks4 decks
22%synergy
Soul's Attendant
25%inclusion1 decks4 decks
12%synergy
Thalia, Heretic Cathar
25%inclusion1 decks4 decks
23%synergy
Hope of Ghirapur
25%inclusion1 decks4 decks
25%synergy
Blood Artist
25%inclusion1 decks4 decks
-7%synergy
Morbid Opportunist
25%inclusion1 decks4 decks
15%synergy
Kambal, Consul of Allocation
25%inclusion1 decks4 decks
10%synergy
Giver of Runes
25%inclusion1 decks4 decks
21%synergy
Karlov of the Ghost Council
25%inclusion1 decks4 decks
20%synergy
Nether Traitor
25%inclusion1 decks4 decks
23%synergy
Zulaport Cutthroat
25%inclusion1 decks4 decks
2%synergy
Lone Rider
25%inclusion1 decks4 decks
25%synergy
Bastion Protector
25%inclusion1 decks4 decks
22%synergy
Sheoldred, Whispering One
25%inclusion1 decks4 decks
22%synergy
Carrion Feeder
25%inclusion1 decks4 decks
16%synergy
Drannith Magistrate
25%inclusion1 decks4 decks
21%synergy
Sun Titan
25%inclusion1 decks4 decks
13%synergy
Skirge Familiar
25%inclusion1 decks4 decks
25%synergy
Dauthi Slayer
25%inclusion1 decks4 decks
25%synergy
Instants
Anguished Unmaking
75%inclusion3 decks4 decks
35%synergy
Swords to Plowshares
75%inclusion3 decks4 decks
10%synergy
Path to Exile
75%inclusion3 decks4 decks
26%synergy
Fracture
75%inclusion3 decks4 decks
56%synergy
Culling the Weak
50%inclusion2 decks4 decks
47%synergy
Vanishing Verse
50%inclusion2 decks4 decks
44%synergy
Silence
50%inclusion2 decks4 decks
46%synergy
Deadly Rollick
25%inclusion1 decks4 decks
14%synergy
Tithe
25%inclusion1 decks4 decks
25%synergy
Flawless Maneuver
25%inclusion1 decks4 decks
17%synergy
Cabal Ritual
25%inclusion1 decks4 decks
23%synergy
Withering Boon
25%inclusion1 decks4 decks
24%synergy
Spoils of Evil
25%inclusion1 decks4 decks
25%synergy
Kaya's Guile
25%inclusion1 decks4 decks
22%synergy
Disenchant
25%inclusion1 decks4 decks
21%synergy
Succumb to Temptation
25%inclusion1 decks4 decks
25%synergy
Curtains' Call
25%inclusion1 decks4 decks
24%synergy
Will of the Mardu
25%inclusion1 decks4 decks
24%synergy
Reprieve
25%inclusion1 decks4 decks
17%synergy
Entomb
25%inclusion1 decks4 decks
19%synergy
Dawn's Truce
25%inclusion1 decks4 decks
18%synergy
Angel's Grace
25%inclusion1 decks4 decks
22%synergy
Reckless Spite
25%inclusion1 decks4 decks
25%synergy
Vona's Hunger
25%inclusion1 decks4 decks
24%synergy
Heliod's Intervention
25%inclusion1 decks4 decks
20%synergy
Rowan's Grim Search
25%inclusion1 decks4 decks
24%synergy
Dire Tactics
25%inclusion1 decks4 decks
22%synergy
Tainted Pact
25%inclusion1 decks4 decks
24%synergy
Go for the Throat
25%inclusion1 decks4 decks
20%synergy
Insidious Dreams
25%inclusion1 decks4 decks
25%synergy
Flare of Fortitude
25%inclusion1 decks4 decks
18%synergy
Soul Shatter
25%inclusion1 decks4 decks
23%synergy
Invoke the Divine
25%inclusion1 decks4 decks
24%synergy
Despark
25%inclusion1 decks4 decks
-6%synergy
Blood Pact
25%inclusion1 decks4 decks
24%synergy
Feign Death
25%inclusion1 decks4 decks
23%synergy
Generous Gift
25%inclusion1 decks4 decks
0%synergy
Akroma's Will
25%inclusion1 decks4 decks
19%synergy
Ultimate Magic: Holy
25%inclusion1 decks4 decks
24%synergy
Sorceries
Damn
75%inclusion3 decks4 decks
42%synergy
Reanimate
50%inclusion2 decks4 decks
35%synergy
Toxic Deluge
50%inclusion2 decks4 decks
33%synergy
Diabolic Intent
50%inclusion2 decks4 decks
40%synergy
Profane Tutor
25%inclusion1 decks4 decks
23%synergy
Torment of Hailfire
25%inclusion1 decks4 decks
23%synergy
Wrath of God
25%inclusion1 decks4 decks
19%synergy
Persist
25%inclusion1 decks4 decks
24%synergy
Unearth
25%inclusion1 decks4 decks
20%synergy
Ashes to Ashes
25%inclusion1 decks4 decks
25%synergy
Risky Shortcut
25%inclusion1 decks4 decks
24%synergy
Insatiable Avarice
25%inclusion1 decks4 decks
21%synergy
Victimize
25%inclusion1 decks4 decks
7%synergy
Foreboding Fruit
25%inclusion1 decks4 decks
25%synergy
Wicked Pact
25%inclusion1 decks4 decks
25%synergy
Merciless Eviction
25%inclusion1 decks4 decks
20%synergy
Debt to the Deathless
25%inclusion1 decks4 decks
15%synergy
Buried Alive
25%inclusion1 decks4 decks
19%synergy
Armageddon
25%inclusion1 decks4 decks
25%synergy
Terashi's Grasp
25%inclusion1 decks4 decks
25%synergy
Unmarked Grave
25%inclusion1 decks4 decks
22%synergy
Diabolic Tutor
25%inclusion1 decks4 decks
19%synergy
Ravages of War
25%inclusion1 decks4 decks
25%synergy
Duress
25%inclusion1 decks4 decks
24%synergy
Inquisition of Kozilek
25%inclusion1 decks4 decks
25%synergy
Idyllic Tutor
25%inclusion1 decks4 decks
21%synergy
Scheming Symmetry
25%inclusion1 decks4 decks
24%synergy
Demonic Counsel
25%inclusion1 decks4 decks
24%synergy
Sickening Dreams
25%inclusion1 decks4 decks
25%synergy
Exsanguinate
25%inclusion1 decks4 decks
13%synergy
Solemn Offering
25%inclusion1 decks4 decks
25%synergy
Approach of the Second Sun
25%inclusion1 decks4 decks
24%synergy
Utility Artifacts
Wishclaw Talisman
25%inclusion1 decks4 decks
22%synergy
Library of Leng
25%inclusion1 decks4 decks
25%synergy
Phyrexian Altar
25%inclusion1 decks4 decks
14%synergy
Ashnod's Altar
25%inclusion1 decks4 decks
6%synergy
Aetherflux Reservoir
25%inclusion1 decks4 decks
16%synergy
Stone of Erech
25%inclusion1 decks4 decks
24%synergy
Spellbook
25%inclusion1 decks4 decks
25%synergy
Altar of the Brood
25%inclusion1 decks4 decks
24%synergy
Sensei's Divining Top
25%inclusion1 decks4 decks
22%synergy
Blasting Station
25%inclusion1 decks4 decks
24%synergy
Skullclamp
25%inclusion1 decks4 decks
-2%synergy
Well of Lost Dreams
25%inclusion1 decks4 decks
17%synergy
Altar of Dementia
25%inclusion1 decks4 decks
20%synergy
Enchantments
Blind Obedience
50%inclusion2 decks4 decks
31%synergy
Ghostly Prison
50%inclusion2 decks4 decks
35%synergy
Authority of the Consuls
50%inclusion2 decks4 decks
35%synergy
Animate Dead
50%inclusion2 decks4 decks
41%synergy
Necromancy
25%inclusion1 decks4 decks
22%synergy
Phyrexian Arena
25%inclusion1 decks4 decks
-4%synergy
Dance of the Dead
25%inclusion1 decks4 decks
23%synergy
Phyrexian Reclamation
25%inclusion1 decks4 decks
20%synergy
Exquisite Blood
25%inclusion1 decks4 decks
7%synergy
Koskun Falls
25%inclusion1 decks4 decks
25%synergy
Oubliette
25%inclusion1 decks4 decks
24%synergy
Aura of Silence
25%inclusion1 decks4 decks
23%synergy
Smothering Tithe
25%inclusion1 decks4 decks
1%synergy
Sanguine Bond
25%inclusion1 decks4 decks
4%synergy
Lunar Convocation
25%inclusion1 decks4 decks
14%synergy
Bitterblossom
25%inclusion1 decks4 decks
17%synergy
Planeswalkers
Kaya the Inexorable
25%inclusion1 decks4 decks
22%synergy
Utility Lands
Nykthos, Shrine to Nyx
50%inclusion2 decks4 decks
46%synergy
Strip Mine
50%inclusion2 decks4 decks
48%synergy
Echoing Deeps
25%inclusion1 decks4 decks
24%synergy
Barren Moor
25%inclusion1 decks4 decks
22%synergy
Urza's Saga
25%inclusion1 decks4 decks
20%synergy
Cascading Cataracts
25%inclusion1 decks4 decks
25%synergy
Vault of the Archangel
25%inclusion1 decks4 decks
-9%synergy
Hall of Heliod's Generosity
25%inclusion1 decks4 decks
17%synergy
Minas Tirith
25%inclusion1 decks4 decks
18%synergy
Secluded Steppe
25%inclusion1 decks4 decks
22%synergy
Takenuma, Abandoned Mire
25%inclusion1 decks4 decks
13%synergy
Urborg, Tomb of Yawgmoth
25%inclusion1 decks4 decks
4%synergy
Great Arashin City
25%inclusion1 decks4 decks
23%synergy
Shizo, Death's Storehouse
25%inclusion1 decks4 decks
20%synergy
Bojuka Bog
25%inclusion1 decks4 decks
-19%synergy
Phyrexian Tower
25%inclusion1 decks4 decks
9%synergy
Blinkmoth Nexus
25%inclusion1 decks4 decks
25%synergy
Volrath's Stronghold
25%inclusion1 decks4 decks
24%synergy
Barad-dûr
25%inclusion1 decks4 decks
23%synergy
Lake of the Dead
25%inclusion1 decks4 decks
25%synergy
Reliquary Tower
25%inclusion1 decks4 decks
2%synergy
Mana Artifacts
Arcane Signet
100%inclusion4 decks4 decks
19%synergy
Fellwar Stone
75%inclusion3 decks4 decks
54%synergy
Sol Ring
75%inclusion3 decks4 decks
-10%synergy
Talisman of Hierarchy
75%inclusion3 decks4 decks
22%synergy
Pristine Talisman
25%inclusion1 decks4 decks
19%synergy
Decanter of Endless Water
25%inclusion1 decks4 decks
23%synergy
Thought Vessel
25%inclusion1 decks4 decks
11%synergy
Mox Opal
25%inclusion1 decks4 decks
23%synergy
Orzhov Signet
25%inclusion1 decks4 decks
-33%synergy
Lotus Petal
25%inclusion1 decks4 decks
22%synergy
Jeweled Amulet
25%inclusion1 decks4 decks
25%synergy
Mox Diamond
25%inclusion1 decks4 decks
23%synergy
Lands
Swamp
100%inclusion4 decks4 decks
2%synergy
Isolated Chapel
100%inclusion4 decks4 decks
35%synergy
Plains
100%inclusion4 decks4 decks
3%synergy
Command Tower
100%inclusion4 decks4 decks
14%synergy
Caves of Koilos
100%inclusion4 decks4 decks
43%synergy
Godless Shrine
100%inclusion4 decks4 decks
51%synergy
Marsh Flats
75%inclusion3 decks4 decks
45%synergy
Fetid Heath
75%inclusion3 decks4 decks
37%synergy
Mana Confluence
50%inclusion2 decks4 decks
47%synergy
Exotic Orchard
50%inclusion2 decks4 decks
26%synergy
Scrubland
50%inclusion2 decks4 decks
39%synergy
Concealed Courtyard
50%inclusion2 decks4 decks
29%synergy
Gemstone Caverns
50%inclusion2 decks4 decks
48%synergy
Vault of Champions
50%inclusion2 decks4 decks
10%synergy
City of Brass
50%inclusion2 decks4 decks
46%synergy
Shadowy Backstreet
25%inclusion1 decks4 decks
3%synergy
Windswept Heath
25%inclusion1 decks4 decks
19%synergy
Ash Barrens
25%inclusion1 decks4 decks
21%synergy
Orzhov Basilica
25%inclusion1 decks4 decks
-17%synergy
Snow-Covered Plains
25%inclusion1 decks4 decks
21%synergy
Snow-Covered Swamp
25%inclusion1 decks4 decks
21%synergy
Polluted Delta
25%inclusion1 decks4 decks
19%synergy
Flagstones of Trokair
25%inclusion1 decks4 decks
24%synergy
Prismatic Vista
25%inclusion1 decks4 decks
19%synergy
Bleachbone Verge
25%inclusion1 decks4 decks
4%synergy
Tainted Field
25%inclusion1 decks4 decks
-27%synergy
Verdant Catacombs
25%inclusion1 decks4 decks
19%synergy
Rainbow Vale
25%inclusion1 decks4 decks
25%synergy
Shattered Sanctum
25%inclusion1 decks4 decks
-8%synergy
Shineshadow Snarl
25%inclusion1 decks4 decks
-16%synergy
Temple of Silence
25%inclusion1 decks4 decks
-16%synergy
Brightclimb Pathway
25%inclusion1 decks4 decks
-2%synergy
Sunken Citadel
25%inclusion1 decks4 decks
25%synergy
Reflecting Pool
25%inclusion1 decks4 decks
21%synergy
Snowfield Sinkhole
25%inclusion1 decks4 decks
17%synergy
Flooded Strand
25%inclusion1 decks4 decks
19%synergy
Bloodstained Mire
25%inclusion1 decks4 decks
19%synergy
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