Barnabas Tharmr // Ludevic, Necro-Alchemist (Commander) - Core

Background image for What if Thassa's Oracle Were Banned?
Harvey McGuinness
Sep 23, 2025
What if Thassa's Oracle Were Banned?
What would happen to cEDH if Thassa's Oracle were banned tomorrow? Would the best decks fall apart? Would there be a new meta? Let's discuss.
Deck Filters
Archidekt
Commander Spellbook
Moxfield
Scryfall
Kraum, Violent Cacophony
50%inclusion11 decks22 decks
48%synergy
Rapid Hybridization
56%inclusion14 decks25 decks
38%synergy
Thermo-Alchemist
40%inclusion10 decks25 decks
30%synergy
Fevered Visions
32%inclusion8 decks25 decks
30%synergy
Jori En, Ruin Diver
32%inclusion8 decks25 decks
25%synergy
Triskaidekaphile
28%inclusion7 decks25 decks
25%synergy
Pongify
52%inclusion13 decks25 decks
24%synergy
The Locust God
32%inclusion8 decks25 decks
23%synergy
Niv-Mizzet, Parun
52%inclusion13 decks25 decks
23%synergy
Geralf, the Fleshwright
23%inclusion5 decks22 decks
22%synergy
Top Cards
Chaos Warp
52%inclusion13 decks25 decks
8%synergy
Counterspell
48%inclusion12 decks25 decks
-5%synergy
Lightning Bolt
44%inclusion11 decks25 decks
16%synergy
Negate
40%inclusion10 decks25 decks
6%synergy
Faithless Looting
36%inclusion9 decks25 decks
3%synergy
Frantic Search
36%inclusion9 decks25 decks
-5%synergy
Reality Shift
36%inclusion9 decks25 decks
22%synergy
Opt
36%inclusion9 decks25 decks
0%synergy
Vandalblast
32%inclusion8 decks25 decks
5%synergy
Brainstorm
32%inclusion8 decks25 decks
-13%synergy
Game Changers
Field of the Dead
12%inclusion3 decks25 decks
12%synergy
Consecrated Sphinx
12%inclusion3 decks25 decks
8%synergy
Underworld Breach
8.0%inclusion2 decks25 decks
-4%synergy
Creatures
Niv-Mizzet, Visionary
31%inclusion4 decks13 decks
19%synergy
Electrostatic Field
28%inclusion7 decks25 decks
13%synergy
Goblin Electromancer
28%inclusion7 decks25 decks
-1%synergy
Guttersnipe
28%inclusion7 decks25 decks
2%synergy
Psychosis Crawler
24%inclusion6 decks25 decks
16%synergy
Storm-Kiln Artist
24%inclusion6 decks25 decks
-15%synergy
Young Pyromancer
24%inclusion6 decks25 decks
6%synergy
Caldera Pyremaw
20%inclusion1 decks5 decks
17%synergy
Forgotten Creation
20%inclusion5 decks25 decks
18%synergy
Twenty-Toed Toad
20%inclusion4 decks20 decks
19%synergy
Voracious Bibliophile
20%inclusion1 decks5 decks
20%synergy
Talrand, Sky Summoner
20%inclusion5 decks25 decks
2%synergy
Rhet-Tomb Mystic
20%inclusion2 decks10 decks
20%synergy
Third Path Iconoclast
20%inclusion5 decks25 decks
2%synergy
Archmage Emeritus
20%inclusion5 decks25 decks
-14%synergy
Laboratory Maniac
20%inclusion5 decks25 decks
12%synergy
Kessig Flamebreather
20%inclusion5 decks25 decks
8%synergy
Ral, Monsoon Mage
18%inclusion4 decks22 decks
12%synergy
Wildfire Eternal
16%inclusion4 decks25 decks
16%synergy
Firebrand Archer
16%inclusion4 decks25 decks
3%synergy
Hordewing Skaab
16%inclusion4 decks25 decks
16%synergy
Irencrag Pyromancer
16%inclusion4 decks25 decks
15%synergy
Chasm Skulker
16%inclusion4 decks25 decks
12%synergy
Exalted Flamer of Tzeentch
16%inclusion4 decks25 decks
7%synergy
Poppet Stitcher
16%inclusion4 decks25 decks
15%synergy
Ledger Shredder
16%inclusion4 decks25 decks
13%synergy
Neheb, Dreadhorde Champion
16%inclusion4 decks25 decks
16%synergy
Thunderclap Drake
14%inclusion3 decks22 decks
5%synergy
Eris, Roar of the Storm
14%inclusion3 decks22 decks
9%synergy
God-Eternal Kefnet
12%inclusion3 decks25 decks
11%synergy
Dreadhorde Arcanist
12%inclusion3 decks25 decks
11%synergy
Wonder
12%inclusion3 decks25 decks
9%synergy
Skaab Ruinator
12%inclusion3 decks25 decks
12%synergy
Docent of Perfection
12%inclusion3 decks25 decks
10%synergy
Niv-Mizzet, the Firemind
12%inclusion3 decks25 decks
1%synergy
Cleaver Skaab
12%inclusion3 decks25 decks
12%synergy
Neheb, the Eternal
12%inclusion3 decks25 decks
11%synergy
Faerie Mastermind
12%inclusion3 decks25 decks
7%synergy
Johann, Apprentice Sorcerer
12%inclusion3 decks25 decks
10%synergy
Overcharged Amalgam
12%inclusion3 decks25 decks
12%synergy
Stitcher Geralf
12%inclusion3 decks25 decks
12%synergy
Lier, Disciple of the Drowned
12%inclusion3 decks25 decks
9%synergy
Transit Mage
10%inclusion1 decks10 decks
9%synergy
Prophet of the Scarab
10%inclusion1 decks10 decks
10%synergy
Hydroelectric Specimen
9.1%inclusion2 decks22 decks
2%synergy
Outlaw Stitcher
9.1%inclusion2 decks22 decks
9%synergy
Stormcatch Mentor
9.1%inclusion2 decks22 decks
-12%synergy
Jason Bright, Glowing Prophet
8.7%inclusion2 decks23 decks
9%synergy
Solemn Simulacrum
8.0%inclusion2 decks25 decks
-2%synergy
Mocking Sprite
8.0%inclusion2 decks25 decks
5%synergy
Instants
An Offer You Can't Refuse
32%inclusion8 decks25 decks
-3%synergy
Abrade
32%inclusion8 decks25 decks
12%synergy
Izzet Charm
24%inclusion6 decks25 decks
5%synergy
Prismari Command
24%inclusion6 decks25 decks
8%synergy
Flame of Anor
24%inclusion6 decks25 decks
12%synergy
Sink into Stupor
23%inclusion5 decks22 decks
6%synergy
Arcane Denial
20%inclusion5 decks25 decks
-9%synergy
Dig Through Time
20%inclusion5 decks25 decks
8%synergy
Consider
16%inclusion4 decks25 decks
-6%synergy
Seething Song
16%inclusion4 decks25 decks
-3%synergy
Thought Scour
16%inclusion4 decks25 decks
12%synergy
Big Score
16%inclusion4 decks25 decks
-6%synergy
Valakut Awakening
16%inclusion4 decks25 decks
6%synergy
Counterflux
16%inclusion4 decks25 decks
12%synergy
Invert Polarity
14%inclusion3 decks22 decks
1%synergy
Unexpected Windfall
12%inclusion3 decks25 decks
-1%synergy
Thrill of Possibility
12%inclusion3 decks25 decks
-2%synergy
Resculpt
12%inclusion3 decks25 decks
3%synergy
Aetherize
12%inclusion3 decks25 decks
1%synergy
Guff Rewrites History
12%inclusion3 decks25 decks
10%synergy
Narset's Reversal
12%inclusion3 decks25 decks
4%synergy
Lightning Strike
12%inclusion3 decks25 decks
10%synergy
Pedal to the Metal
10%inclusion1 decks10 decks
10%synergy
Expedite
8.0%inclusion2 decks25 decks
-1%synergy
Geistblast
8.0%inclusion2 decks25 decks
8%synergy
Desperate Ritual
8.0%inclusion2 decks25 decks
0%synergy
Fact or Fiction
8.0%inclusion2 decks25 decks
0%synergy
Spikefield Hazard
8.0%inclusion2 decks25 decks
3%synergy
Swan Song
8.0%inclusion2 decks25 decks
-13%synergy
Pyretic Ritual
8.0%inclusion2 decks25 decks
0%synergy
Flip the Switch
8.0%inclusion2 decks25 decks
8%synergy
Gut Shot
8.0%inclusion2 decks25 decks
0%synergy
Galvanic Iteration
8.0%inclusion2 decks25 decks
-2%synergy
Otherworldly Gaze
8.0%inclusion2 decks25 decks
6%synergy
Brain Freeze
8.0%inclusion2 decks25 decks
-1%synergy
Essence Scatter
8.0%inclusion2 decks25 decks
6%synergy
Unwind
8.0%inclusion2 decks25 decks
2%synergy
Tibalt's Trickery
8.0%inclusion2 decks25 decks
6%synergy
Shock
8.0%inclusion2 decks25 decks
5%synergy
Lazotep Plating
8.0%inclusion2 decks25 decks
7%synergy
Mission Briefing
8.0%inclusion2 decks25 decks
7%synergy
Sudden Substitution
8.0%inclusion2 decks25 decks
8%synergy
Mental Note
8.0%inclusion2 decks25 decks
8%synergy
Price of Progress
8.0%inclusion2 decks25 decks
7%synergy
Suspend
8.0%inclusion2 decks25 decks
7%synergy
Untimely Malfunction
5.6%inclusion1 decks18 decks
-3%synergy
Sorceries
Blasphemous Act
32%inclusion8 decks25 decks
-7%synergy
Treasure Cruise
32%inclusion8 decks25 decks
17%synergy
Windfall
28%inclusion7 decks25 decks
1%synergy
Preordain
28%inclusion7 decks25 decks
-7%synergy
Expressive Iteration
28%inclusion7 decks25 decks
6%synergy
Snort
25%inclusion1 decks4 decks
24%synergy
Ponder
24%inclusion6 decks25 decks
-14%synergy
Mana Geyser
24%inclusion6 decks25 decks
3%synergy
Rise from the Tides
20%inclusion5 decks25 decks
19%synergy
Mizzix's Mastery
20%inclusion5 decks25 decks
1%synergy
Wheel of Misfortune
16%inclusion4 decks25 decks
12%synergy
Mizzium Mortars
16%inclusion4 decks25 decks
12%synergy
Serum Visions
16%inclusion4 decks25 decks
-3%synergy
Inspiration from Beyond
15%inclusion2 decks13 decks
15%synergy
Epic Experiment
12%inclusion3 decks25 decks
6%synergy
Gitaxian Probe
12%inclusion3 decks25 decks
-9%synergy
Sea Gate Restoration
12%inclusion3 decks25 decks
4%synergy
Invade the City
12%inclusion3 decks25 decks
12%synergy
Beacon Bolt
12%inclusion3 decks25 decks
10%synergy
Deep Analysis
12%inclusion3 decks25 decks
6%synergy
Role Reversal
12%inclusion3 decks25 decks
11%synergy
Tormenting Voice
12%inclusion3 decks25 decks
10%synergy
Glimpse the Impossible
9.1%inclusion2 decks22 decks
7%synergy
Chain Reaction
8.0%inclusion2 decks25 decks
2%synergy
Burn Down the House
8.0%inclusion2 decks25 decks
7%synergy
Replication Technique
8.0%inclusion2 decks25 decks
7%synergy
Curse of the Swine
8.0%inclusion2 decks25 decks
1%synergy
Insurrection
8.0%inclusion2 decks25 decks
6%synergy
Empty the Laboratory
8.0%inclusion2 decks25 decks
8%synergy
Reality Scramble
8.0%inclusion2 decks25 decks
7%synergy
Minds Aglow
8.0%inclusion2 decks25 decks
7%synergy
Insult // Injury
8.0%inclusion2 decks25 decks
7%synergy
Dragon's Approach
8.0%inclusion2 decks25 decks
7%synergy
Grapeshot
8.0%inclusion2 decks25 decks
-11%synergy
Raise the Palisade
8.0%inclusion2 decks25 decks
7%synergy
Honor the God-Pharaoh
8.0%inclusion2 decks25 decks
8%synergy
Lórien Revealed
8.0%inclusion2 decks25 decks
2%synergy
Shatterskull Smashing
8.0%inclusion2 decks25 decks
3%synergy
Creative Technique
8.0%inclusion2 decks25 decks
7%synergy
Khorvath's Fury
8.0%inclusion2 decks25 decks
8%synergy
Trial of Agony
5.6%inclusion1 decks18 decks
5%synergy
Utility Artifacts
Wayfarer's Bauble
28%inclusion7 decks25 decks
16%synergy
Folio of Fancies
20%inclusion5 decks25 decks
19%synergy
Howling Mine
20%inclusion5 decks25 decks
17%synergy
Venser's Journal
16%inclusion4 decks25 decks
15%synergy
Temple Bell
16%inclusion4 decks25 decks
15%synergy
Elixir of Immortality
12%inclusion3 decks25 decks
9%synergy
Font of Mythos
12%inclusion3 decks25 decks
11%synergy
Spellbook
12%inclusion3 decks25 decks
9%synergy
Swiftfoot Boots
12%inclusion3 decks25 decks
-17%synergy
Lightning Greaves
12%inclusion3 decks25 decks
-12%synergy
Sapphire Medallion
12%inclusion3 decks25 decks
4%synergy
Ruby Medallion
8.0%inclusion2 decks25 decks
-1%synergy
Runechanter's Pike
8.0%inclusion2 decks25 decks
7%synergy
Brain in a Jar
8.0%inclusion2 decks25 decks
8%synergy
Embalmer's Tools
8.0%inclusion2 decks25 decks
8%synergy
Shadowspear
8.0%inclusion2 decks25 decks
4%synergy
Iron Maiden
8.0%inclusion2 decks25 decks
8%synergy
The Magic Mirror
8.0%inclusion2 decks25 decks
6%synergy
Enchantments
Teferi's Ageless Insight
24%inclusion6 decks25 decks
16%synergy
Thousand-Year Storm
20%inclusion5 decks25 decks
4%synergy
Propaganda
20%inclusion5 decks25 decks
5%synergy
Proft's Eidetic Memory
17%inclusion4 decks24 decks
14%synergy
Wizard Class
16%inclusion4 decks25 decks
8%synergy
Sorcerer Class
16%inclusion4 decks25 decks
8%synergy
Leyline of Anticipation
16%inclusion4 decks25 decks
12%synergy
Dictate of Kruphix
16%inclusion4 decks25 decks
14%synergy
Case of the Ransacked Lab
13%inclusion3 decks24 decks
5%synergy
Psychic Corrosion
12%inclusion3 decks25 decks
11%synergy
Improbable Alliance
12%inclusion3 decks25 decks
11%synergy
Curse of Verbosity
12%inclusion3 decks25 decks
10%synergy
Ominous Seas
12%inclusion3 decks25 decks
8%synergy
Rooftop Storm
12%inclusion3 decks25 decks
12%synergy
Necroduality
12%inclusion3 decks25 decks
12%synergy
Kindred Discovery
8.0%inclusion2 decks25 decks
5%synergy
Well of Ideas
8.0%inclusion2 decks25 decks
8%synergy
Curiosity
8.0%inclusion2 decks25 decks
-17%synergy
Aria of Flame
8.0%inclusion2 decks25 decks
6%synergy
Curse of Unbinding
8.0%inclusion2 decks25 decks
8%synergy
Guild Artisan
8.0%inclusion2 decks25 decks
6%synergy
Firemind's Research
8.0%inclusion2 decks25 decks
6%synergy
Sulfuric Vortex
8.0%inclusion2 decks25 decks
8%synergy
Curse of Opulence
8.0%inclusion2 decks25 decks
4%synergy
The Tale of Tamiyo
5.6%inclusion1 decks18 decks
5%synergy
Roaring Furnace // Steaming Sauna
5.6%inclusion1 decks18 decks
4%synergy
Planeswalkers
Jace, Wielder of Mysteries
16%inclusion4 decks25 decks
12%synergy
Jace, the Mind Sculptor
8.0%inclusion2 decks25 decks
7%synergy
Jace Beleren
8.0%inclusion2 decks25 decks
7%synergy
Rowan, Scholar of Sparks
8.0%inclusion2 decks25 decks
6%synergy
Saheeli, Sublime Artificer
8.0%inclusion2 decks25 decks
0%synergy
Utility Lands
Reliquary Tower
48%inclusion12 decks25 decks
-2%synergy
Mystic Sanctuary
20%inclusion5 decks25 decks
-6%synergy
Riptide Laboratory
16%inclusion4 decks25 decks
10%synergy
Rivendell
12%inclusion3 decks25 decks
8%synergy
Desolate Lighthouse
12%inclusion3 decks25 decks
2%synergy
Otawara, Soaring City
12%inclusion3 decks25 decks
-7%synergy
Accursed Duneyard
10%inclusion1 decks10 decks
10%synergy
Arcane Lighthouse
8.0%inclusion2 decks25 decks
7%synergy
Wandering Fumarole
8.0%inclusion2 decks25 decks
5%synergy
Geier Reach Sanitarium
8.0%inclusion2 decks25 decks
5%synergy
Temple of the False God
8.0%inclusion2 decks25 decks
-2%synergy
Mana Artifacts
Arcane Signet
80%inclusion20 decks25 decks
-4%synergy
Sol Ring
76%inclusion19 decks25 decks
-11%synergy
Talisman of Creativity
72%inclusion18 decks25 decks
17%synergy
Izzet Signet
60%inclusion15 decks25 decks
-1%synergy
Thought Vessel
52%inclusion13 decks25 decks
15%synergy
Mind Stone
28%inclusion7 decks25 decks
2%synergy
Decanter of Endless Water
20%inclusion5 decks25 decks
9%synergy
Fellwar Stone
20%inclusion5 decks25 decks
-13%synergy
Midnight Clock
12%inclusion3 decks25 decks
0%synergy
Commander's Sphere
8.0%inclusion2 decks25 decks
-8%synergy
Sky Diamond
8.0%inclusion2 decks25 decks
-1%synergy
Izzet Cluestone
8.0%inclusion2 decks25 decks
6%synergy
Chromatic Lantern
8.0%inclusion2 decks25 decks
5%synergy
Gilded Lotus
8.0%inclusion2 decks25 decks
2%synergy
Fire Diamond
8.0%inclusion2 decks25 decks
-1%synergy
Coveted Jewel
8.0%inclusion2 decks25 decks
6%synergy
Worn Powerstone
8.0%inclusion2 decks25 decks
4%synergy
Star Compass
8.0%inclusion2 decks25 decks
7%synergy
Lands
Mountain
100%inclusion25 decks25 decks
3%synergy
Island
100%inclusion25 decks25 decks
2%synergy
Command Tower
84%inclusion21 decks25 decks
-3%synergy
Shivan Reef
60%inclusion15 decks25 decks
1%synergy
Sulfur Falls
56%inclusion14 decks25 decks
-9%synergy
Steam Vents
52%inclusion13 decks25 decks
5%synergy
Stormcarved Coast
52%inclusion13 decks25 decks
12%synergy
Training Center
48%inclusion12 decks25 decks
4%synergy
Frostboil Snarl
44%inclusion11 decks25 decks
0%synergy
Temple of Epiphany
44%inclusion11 decks25 decks
2%synergy
Izzet Boilerworks
40%inclusion10 decks25 decks
0%synergy
Riverglide Pathway
40%inclusion10 decks25 decks
16%synergy
Cascade Bluffs
40%inclusion10 decks25 decks
-2%synergy
Fiery Islet
28%inclusion7 decks25 decks
2%synergy
Myriad Landscape
28%inclusion7 decks25 decks
10%synergy
Swiftwater Cliffs
28%inclusion7 decks25 decks
10%synergy
Ferrous Lake
26%inclusion6 decks23 decks
2%synergy
Thundering Falls
25%inclusion6 decks24 decks
5%synergy
Exotic Orchard
24%inclusion6 decks25 decks
-10%synergy
Evolving Wilds
24%inclusion6 decks25 decks
6%synergy
Scalding Tarn
24%inclusion6 decks25 decks
-7%synergy
Sink into Stupor
23%inclusion5 decks22 decks
6%synergy
Riverpyre Verge
20%inclusion2 decks10 decks
0%synergy
Terramorphic Expanse
16%inclusion4 decks25 decks
3%synergy
Path of Ancestry
16%inclusion4 decks25 decks
2%synergy
Valakut Awakening
16%inclusion4 decks25 decks
6%synergy
Eroded Canyon
14%inclusion3 decks22 decks
6%synergy
Sea Gate Restoration
12%inclusion3 decks25 decks
4%synergy
Volcanic Island
12%inclusion3 decks25 decks
-3%synergy
Molten Tributary
12%inclusion3 decks25 decks
3%synergy
Izzet Guildgate
12%inclusion3 decks25 decks
2%synergy
Spirebluff Canal
12%inclusion3 decks25 decks
-2%synergy
Lazotep Quarry
9.1%inclusion2 decks22 decks
9%synergy
Hydroelectric Specimen
9.1%inclusion2 decks22 decks
2%synergy
Prismatic Vista
8.0%inclusion2 decks25 decks
1%synergy
Misty Rainforest
8.0%inclusion2 decks25 decks
-2%synergy
Snow-Covered Island
8.0%inclusion2 decks25 decks
5%synergy
Ash Barrens
8.0%inclusion2 decks25 decks
3%synergy
Spikefield Hazard
8.0%inclusion2 decks25 decks
3%synergy
Volatile Fjord
8.0%inclusion2 decks25 decks
3%synergy
Forbidden Orchard
8.0%inclusion2 decks25 decks
6%synergy
Snow-Covered Mountain
8.0%inclusion2 decks25 decks
5%synergy
Flooded Strand
8.0%inclusion2 decks25 decks
-3%synergy
Reflecting Pool
8.0%inclusion2 decks25 decks
3%synergy
Shatterskull Smashing
8.0%inclusion2 decks25 decks
3%synergy
Polluted Delta
8.0%inclusion2 decks25 decks
-3%synergy