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

Cecil Harvey // Falthis, Shadowcat Familiar
Rank #3,839
6decks
As CommanderCecil HarveyFalthis, Shadowcat FamiliarAverage DeckDecks
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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
Mana Artifacts
Lands
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Black Widow, Deadly Hunter
33%inclusion1 decks3 decks
33%synergy
Hatut Zeraze Strike Force
33%inclusion1 decks3 decks
33%synergy
Everett K. Ross, Hapless Attaché
33%inclusion1 decks3 decks
33%synergy
High Synergy Cards
Dark Ritual
83%inclusion5 decks6 decks
58%synergy
Path to Exile
100%inclusion6 decks6 decks
51%synergy
Fracture
67%inclusion4 decks6 decks
46%synergy
Anguished Unmaking
67%inclusion4 decks6 decks
25%synergy
Game Changers
Chrome Mox
83%inclusion5 decks6 decks
81%synergy
Demonic Tutor
67%inclusion4 decks6 decks
52%synergy
Vampiric Tutor
67%inclusion4 decks6 decks
56%synergy
Opposition Agent
50%inclusion3 decks6 decks
47%synergy
Ancient Tomb
50%inclusion3 decks6 decks
44%synergy
Bolas's Citadel
50%inclusion3 decks6 decks
37%synergy
Mana Vault
50%inclusion3 decks6 decks
48%synergy
Ad Nauseam
50%inclusion3 decks6 decks
48%synergy
Drannith Magistrate
50%inclusion3 decks6 decks
46%synergy
Enlightened Tutor
50%inclusion3 decks6 decks
39%synergy
Creatures
Grand Abolisher
50%inclusion3 decks6 decks
41%synergy
Kambal, Consul of Allocation
50%inclusion3 decks6 decks
37%synergy
Serra Ascendant
50%inclusion3 decks6 decks
44%synergy
Soul's Attendant
50%inclusion3 decks6 decks
38%synergy
Soul Warden
50%inclusion3 decks6 decks
33%synergy
Archivist of Oghma
33%inclusion2 decks6 decks
26%synergy
Voice of Victory
33%inclusion2 decks6 decks
27%synergy
Vito, Thorn of the Dusk Rose
33%inclusion2 decks6 decks
13%synergy
Dream Beavers
33%inclusion1 decks3 decks
33%synergy
Dauthi Voidwalker
33%inclusion2 decks6 decks
27%synergy
Kunoros, Hound of Athreos
33%inclusion2 decks6 decks
31%synergy
Darkstar Augur
33%inclusion2 decks6 decks
29%synergy
Sheoldred, Whispering One
33%inclusion2 decks6 decks
31%synergy
Enduring Tenacity
33%inclusion2 decks6 decks
22%synergy
Hope of Ghirapur
33%inclusion2 decks6 decks
33%synergy
Giver of Runes
33%inclusion2 decks6 decks
29%synergy
Aven Mindcensor
33%inclusion2 decks6 decks
30%synergy
Gwenom, Remorseless
33%inclusion2 decks6 decks
31%synergy
Scheming Silvertongue
33%inclusion1 decks3 decks
26%synergy
Lotho, Corrupt Shirriff
33%inclusion2 decks6 decks
14%synergy
Esper Sentinel
33%inclusion2 decks6 decks
16%synergy
Tormented Soul
33%inclusion2 decks6 decks
33%synergy
Archangel of Tithes
33%inclusion2 decks6 decks
31%synergy
Weathered Wayfarer
33%inclusion2 decks6 decks
29%synergy
Abigale, Eloquent First-Year
25%inclusion1 decks4 decks
22%synergy
Savanti Romero, Time's Exile
25%inclusion1 decks4 decks
25%synergy
Momo, Playful Pet
20%inclusion1 decks5 decks
19%synergy
Mai, Scornful Striker
20%inclusion1 decks5 decks
18%synergy
Swooping Lookout
17%inclusion1 decks6 decks
16%synergy
Iridescent Vinelasher
17%inclusion1 decks6 decks
16%synergy
Archangel of Thune
17%inclusion1 decks6 decks
13%synergy
Walking Ballista
17%inclusion1 decks6 decks
15%synergy
Nethergoyf
17%inclusion1 decks6 decks
17%synergy
Charismatic Conqueror
17%inclusion1 decks6 decks
5%synergy
Lurrus of the Dream-Den
17%inclusion1 decks6 decks
7%synergy
Gray Merchant of Asphodel
17%inclusion1 decks6 decks
6%synergy
Sheoldred, the Apocalypse
17%inclusion1 decks6 decks
10%synergy
Ajani's Sunstriker
17%inclusion1 decks6 decks
17%synergy
Tomik, Wielder of Law
17%inclusion1 decks6 decks
14%synergy
Resplendent Angel
17%inclusion1 decks6 decks
13%synergy
Dark Confidant
17%inclusion1 decks6 decks
10%synergy
Stoneforge Mystic
17%inclusion1 decks6 decks
15%synergy
Skrelv, Defector Mite
17%inclusion1 decks6 decks
12%synergy
Erebos, God of the Dead
17%inclusion1 decks6 decks
14%synergy
Indulging Patrician
17%inclusion1 decks6 decks
12%synergy
Bloodletter of Aclazotz
17%inclusion1 decks6 decks
9%synergy
Leonin Abunas
17%inclusion1 decks6 decks
16%synergy
Doorkeeper Thrull
17%inclusion1 decks6 decks
16%synergy
Grief
17%inclusion1 decks6 decks
16%synergy
Eight-and-a-Half-Tails
17%inclusion1 decks6 decks
16%synergy
Instants
Erode
67%inclusion2 decks3 decks
58%synergy
Vanishing Verse
50%inclusion3 decks6 decks
43%synergy
Angel's Grace
50%inclusion3 decks6 decks
47%synergy
Silence
50%inclusion3 decks6 decks
46%synergy
Swords to Plowshares
50%inclusion3 decks6 decks
-13%synergy
Teferi's Protection
33%inclusion2 decks6 decks
19%synergy
Insidious Dreams
33%inclusion2 decks6 decks
33%synergy
Flawless Maneuver
33%inclusion2 decks6 decks
25%synergy
Flare of Fortitude
33%inclusion2 decks6 decks
26%synergy
Cabal Ritual
33%inclusion2 decks6 decks
30%synergy
Culling the Weak
33%inclusion2 decks6 decks
29%synergy
Withering Boon
33%inclusion2 decks6 decks
33%synergy
Enter the Avatar State
20%inclusion1 decks5 decks
19%synergy
Deadly Rollick
17%inclusion1 decks6 decks
4%synergy
Dire Tactics
17%inclusion1 decks6 decks
14%synergy
Fatal Push
17%inclusion1 decks6 decks
16%synergy
Tainted Pact
17%inclusion1 decks6 decks
16%synergy
Sheoldred's Edict
17%inclusion1 decks6 decks
15%synergy
Go for the Throat
17%inclusion1 decks6 decks
12%synergy
Imp's Mischief
17%inclusion1 decks6 decks
12%synergy
Tithe
17%inclusion1 decks6 decks
16%synergy
Vraska's Fall
17%inclusion1 decks6 decks
15%synergy
Dawn's Truce
17%inclusion1 decks6 decks
9%synergy
Soul Shatter
17%inclusion1 decks6 decks
15%synergy
Slaughter Pact
17%inclusion1 decks6 decks
16%synergy
Debt of Loyalty
17%inclusion1 decks6 decks
17%synergy
Cling to Dust
17%inclusion1 decks6 decks
15%synergy
Long Goodbye
17%inclusion1 decks6 decks
16%synergy
Kaya's Guile
17%inclusion1 decks6 decks
14%synergy
Disenchant
17%inclusion1 decks6 decks
13%synergy
Dawn Charm
17%inclusion1 decks6 decks
15%synergy
Rain of Filth
17%inclusion1 decks6 decks
16%synergy
Liliana's Triumph
17%inclusion1 decks6 decks
16%synergy
Vona's Hunger
17%inclusion1 decks6 decks
16%synergy
Heliod's Intervention
17%inclusion1 decks6 decks
12%synergy
Reprieve
17%inclusion1 decks6 decks
8%synergy
Feign Death
17%inclusion1 decks6 decks
15%synergy
Generous Gift
17%inclusion1 decks6 decks
-5%synergy
Sorceries
Diabolic Intent
50%inclusion3 decks6 decks
40%synergy
Sickening Dreams
50%inclusion3 decks6 decks
50%synergy
Damn
50%inclusion3 decks6 decks
18%synergy
Imperial Seal
33%inclusion2 decks6 decks
31%synergy
Profane Tutor
33%inclusion2 decks6 decks
32%synergy
Wrath of God
33%inclusion2 decks6 decks
28%synergy
Night's Whisper
33%inclusion2 decks6 decks
15%synergy
Reanimate
33%inclusion2 decks6 decks
17%synergy
Insatiable Avarice
33%inclusion2 decks6 decks
30%synergy
Toxic Deluge
33%inclusion2 decks6 decks
17%synergy
Sign in Blood
33%inclusion2 decks6 decks
16%synergy
Diabolic Tutor
17%inclusion1 decks6 decks
11%synergy
Virtus's Maneuver
17%inclusion1 decks6 decks
17%synergy
Victimize
17%inclusion1 decks6 decks
-1%synergy
Ravages of War
17%inclusion1 decks6 decks
17%synergy
Split Up
17%inclusion1 decks6 decks
15%synergy
Open the Armory
17%inclusion1 decks6 decks
12%synergy
Torment of Hailfire
17%inclusion1 decks6 decks
14%synergy
Duress
17%inclusion1 decks6 decks
16%synergy
Inquisition of Kozilek
17%inclusion1 decks6 decks
16%synergy
Merciless Eviction
17%inclusion1 decks6 decks
13%synergy
Unearth
17%inclusion1 decks6 decks
12%synergy
Vicious Rumors
17%inclusion1 decks6 decks
16%synergy
Idyllic Tutor
17%inclusion1 decks6 decks
13%synergy
Debt to the Deathless
17%inclusion1 decks6 decks
6%synergy
Infectious Inquiry
17%inclusion1 decks6 decks
15%synergy
Scheming Symmetry
17%inclusion1 decks6 decks
15%synergy
Exsanguinate
17%inclusion1 decks6 decks
3%synergy
Armageddon
17%inclusion1 decks6 decks
16%synergy
Steelshaper's Gift
17%inclusion1 decks6 decks
15%synergy
Mire in Misery
17%inclusion1 decks6 decks
17%synergy
Not Forgotten
17%inclusion1 decks6 decks
16%synergy
Approach of the Second Sun
17%inclusion1 decks6 decks
15%synergy
Grim Tutor
17%inclusion1 decks6 decks
13%synergy
Chain of Smog
17%inclusion1 decks6 decks
16%synergy
Fragmentize
17%inclusion1 decks6 decks
16%synergy
Arterial Flow
17%inclusion1 decks6 decks
16%synergy
Utility Artifacts
Sensei's Divining Top
50%inclusion3 decks6 decks
48%synergy
Wishclaw Talisman
50%inclusion3 decks6 decks
47%synergy
Aetherflux Reservoir
33%inclusion2 decks6 decks
26%synergy
Stone of Erech
33%inclusion2 decks6 decks
33%synergy
Sword of Light and Shadow
17%inclusion1 decks6 decks
16%synergy
Sword of Once and Future
17%inclusion1 decks6 decks
16%synergy
Sword of Fire and Ice
17%inclusion1 decks6 decks
16%synergy
Weathered Runestone
17%inclusion1 decks6 decks
17%synergy
Mishra's Bauble
17%inclusion1 decks6 decks
16%synergy
Sword of Truth and Justice
17%inclusion1 decks6 decks
16%synergy
Spellbook
17%inclusion1 decks6 decks
16%synergy
Library of Leng
17%inclusion1 decks6 decks
17%synergy
Sword of Hearth and Home
17%inclusion1 decks6 decks
15%synergy
Well of Lost Dreams
17%inclusion1 decks6 decks
10%synergy
Sword of War and Peace
17%inclusion1 decks6 decks
16%synergy
Nihil Spellbomb
17%inclusion1 decks6 decks
16%synergy
Sword of Forge and Frontier
17%inclusion1 decks6 decks
16%synergy
Knowledge Pool
17%inclusion1 decks6 decks
17%synergy
Sword of Sinew and Steel
17%inclusion1 decks6 decks
16%synergy
Sword of Feast and Famine
17%inclusion1 decks6 decks
15%synergy
Sword of Body and Mind
17%inclusion1 decks6 decks
17%synergy
Enchantments
Authority of the Consuls
33%inclusion2 decks6 decks
17%synergy
Exquisite Blood
33%inclusion2 decks6 decks
18%synergy
Ghostly Prison
33%inclusion2 decks6 decks
17%synergy
Smothering Tithe
17%inclusion1 decks6 decks
-4%synergy
Black Market
17%inclusion1 decks6 decks
10%synergy
Blind Obedience
17%inclusion1 decks6 decks
0%synergy
Grave Pact
17%inclusion1 decks6 decks
8%synergy
Sanguine Bond
17%inclusion1 decks6 decks
-2%synergy
Necropotence
17%inclusion1 decks6 decks
11%synergy
Koskun Falls
17%inclusion1 decks6 decks
16%synergy
Unholy Annex // Ritual Chamber
17%inclusion1 decks6 decks
15%synergy
Animate Dead
17%inclusion1 decks6 decks
6%synergy
Oubliette
17%inclusion1 decks6 decks
16%synergy
Land Tax
17%inclusion1 decks6 decks
4%synergy
Phyrexian Arena
17%inclusion1 decks6 decks
-11%synergy
Legion's Landing
17%inclusion1 decks6 decks
14%synergy
Bitterblossom
17%inclusion1 decks6 decks
9%synergy
Planeswalkers
Kaya the Inexorable
17%inclusion1 decks6 decks
15%synergy
Sorin, Solemn Visitor
17%inclusion1 decks6 decks
16%synergy
Elspeth Resplendent
17%inclusion1 decks6 decks
16%synergy
Liliana Vess
17%inclusion1 decks6 decks
16%synergy
Utility Lands
Urza's Saga
33%inclusion2 decks6 decks
28%synergy
Strip Mine
33%inclusion2 decks6 decks
32%synergy
Urborg, Tomb of Yawgmoth
33%inclusion2 decks6 decks
13%synergy
Abandoned Air Temple
20%inclusion1 decks5 decks
16%synergy
Shizo, Death's Storehouse
17%inclusion1 decks6 decks
12%synergy
Westvale Abbey
17%inclusion1 decks6 decks
9%synergy
Wasteland
17%inclusion1 decks6 decks
16%synergy
Phyrexian Tower
17%inclusion1 decks6 decks
0%synergy
Echoing Deeps
17%inclusion1 decks6 decks
16%synergy
Hall of Heliod's Generosity
17%inclusion1 decks6 decks
8%synergy
Hall of the Bandit Lord
17%inclusion1 decks6 decks
16%synergy
Boseiju, Who Shelters All
17%inclusion1 decks6 decks
16%synergy
Blinkmoth Nexus
17%inclusion1 decks6 decks
17%synergy
Tectonic Edge
17%inclusion1 decks6 decks
16%synergy
Witch's Cottage
17%inclusion1 decks6 decks
14%synergy
Volrath's Stronghold
17%inclusion1 decks6 decks
15%synergy
Minas Tirith
17%inclusion1 decks6 decks
10%synergy
Eiganjo, Seat of the Empire
17%inclusion1 decks6 decks
7%synergy
Nykthos, Shrine to Nyx
17%inclusion1 decks6 decks
13%synergy
Takenuma, Abandoned Mire
17%inclusion1 decks6 decks
6%synergy
Mistveil Plains
17%inclusion1 decks6 decks
16%synergy
Lake of the Dead
17%inclusion1 decks6 decks
16%synergy
Reliquary Tower
17%inclusion1 decks6 decks
-6%synergy
Cascading Cataracts
17%inclusion1 decks6 decks
17%synergy
Vault of the Archangel
17%inclusion1 decks6 decks
-16%synergy
Great Arashin City
17%inclusion1 decks6 decks
14%synergy
Mana Artifacts
Arcane Signet
83%inclusion5 decks6 decks
3%synergy
Sol Ring
83%inclusion5 decks6 decks
-1%synergy
Lotus Petal
67%inclusion4 decks6 decks
63%synergy
Talisman of Hierarchy
67%inclusion4 decks6 decks
14%synergy
Fellwar Stone
50%inclusion3 decks6 decks
28%synergy
Mox Opal
50%inclusion3 decks6 decks
48%synergy
Mox Diamond
50%inclusion3 decks6 decks
48%synergy
Springleaf Drum
33%inclusion2 decks6 decks
32%synergy
Paradise Mantle
33%inclusion2 decks6 decks
33%synergy
Orzhov Signet
33%inclusion2 decks6 decks
-20%synergy
Grim Monolith
17%inclusion1 decks6 decks
16%synergy
Chromatic Sphere
17%inclusion1 decks6 decks
16%synergy
Mox Amber
17%inclusion1 decks6 decks
14%synergy
Decanter of Endless Water
17%inclusion1 decks6 decks
15%synergy
Thought Vessel
17%inclusion1 decks6 decks
3%synergy
Thran Dynamo
17%inclusion1 decks6 decks
15%synergy
Mind Stone
17%inclusion1 decks6 decks
-5%synergy
Jeweled Amulet
17%inclusion1 decks6 decks
17%synergy
Chromatic Star
17%inclusion1 decks6 decks
16%synergy
Lands
Command Tower
100%inclusion6 decks6 decks
14%synergy
Swamp
100%inclusion6 decks6 decks
2%synergy
Godless Shrine
100%inclusion6 decks6 decks
48%synergy
Plains
100%inclusion6 decks6 decks
2%synergy
Caves of Koilos
83%inclusion5 decks6 decks
26%synergy
Fetid Heath
83%inclusion5 decks6 decks
41%synergy
Marsh Flats
83%inclusion5 decks6 decks
53%synergy
Vault of Champions
83%inclusion5 decks6 decks
44%synergy
Isolated Chapel
67%inclusion4 decks6 decks
-1%synergy
Concealed Courtyard
50%inclusion3 decks6 decks
29%synergy
Verdant Catacombs
50%inclusion3 decks6 decks
44%synergy
Gemstone Caverns
50%inclusion3 decks6 decks
48%synergy
Scrubland
50%inclusion3 decks6 decks
38%synergy
Mana Confluence
50%inclusion3 decks6 decks
47%synergy
Polluted Delta
50%inclusion3 decks6 decks
44%synergy
City of Brass
50%inclusion3 decks6 decks
46%synergy
Flooded Strand
50%inclusion3 decks6 decks
44%synergy
Prismatic Vista
33%inclusion2 decks6 decks
28%synergy
Brightclimb Pathway
33%inclusion2 decks6 decks
7%synergy
Shadowy Backstreet
33%inclusion2 decks6 decks
11%synergy
Exotic Orchard
33%inclusion2 decks6 decks
7%synergy
Windswept Heath
33%inclusion2 decks6 decks
27%synergy
Bleachbone Verge
33%inclusion2 decks6 decks
9%synergy
Tainted Field
33%inclusion2 decks6 decks
-17%synergy
Orzhov Basilica
33%inclusion2 decks6 decks
-5%synergy
Arid Mesa
33%inclusion2 decks6 decks
27%synergy
Temple of Silence
33%inclusion2 decks6 decks
-5%synergy
Bloodstained Mire
33%inclusion2 decks6 decks
27%synergy
Misty Palms Oasis
20%inclusion1 decks5 decks
18%synergy
Gemstone Mine
17%inclusion1 decks6 decks
17%synergy
Fabled Passage
17%inclusion1 decks6 decks
4%synergy
Silverquill Campus
17%inclusion1 decks6 decks
11%synergy
Sunken Citadel
17%inclusion1 decks6 decks
16%synergy
Orzhov Guildgate
17%inclusion1 decks6 decks
9%synergy
Ash Barrens
17%inclusion1 decks6 decks
13%synergy
Reflecting Pool
17%inclusion1 decks6 decks
13%synergy
Snowfield Sinkhole
17%inclusion1 decks6 decks
10%synergy
Rainbow Vale
17%inclusion1 decks6 decks
17%synergy
Salt Flats
17%inclusion1 decks6 decks
16%synergy
Forsaken Sanctuary
17%inclusion1 decks6 decks
13%synergy
Snow-Covered Plains
17%inclusion1 decks6 decks
14%synergy
Shattered Sanctum
17%inclusion1 decks6 decks
-23%synergy
Neglected Manor
17%inclusion1 decks6 decks
14%synergy
Goldmire Bridge
17%inclusion1 decks6 decks
12%synergy
Shineshadow Snarl
17%inclusion1 decks6 decks
-26%synergy
Scoured Barrens
17%inclusion1 decks6 decks
-6%synergy
Snow-Covered Swamp
17%inclusion1 decks6 decks
14%synergy
Forlorn Flats
17%inclusion1 decks6 decks
12%synergy
Flagstones of Trokair
17%inclusion1 decks6 decks
16%synergy
Silent Clearing
17%inclusion1 decks6 decks
2%synergy
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