23 cards where the mana value > 7 and the cards are split

Assure // Assemble (Ravnica Remastered #248)
Beck // Call (Dragon's Maze #123)
Bedeck // Bedazzle (Ravnica Remastered #244)
Boom // Bust (Time Spiral Remastered #156)
Breaking // Entering (Dragon's Maze #124)
Catch // Release (Dragon's Maze #125)
Cease // Desist (Murders at Karlov Manor #246)
Commit // Memory (The Lost Caverns of Ixalan Commander #147)
Connive // Concoct (Murders at Karlov Manor Commander #203)
Dusk // Dawn (Murders at Karlov Manor Commander #61)
Fast // Furious (Modern Horizons 2 #123)
Find // Finality (Ravnica Remastered #245)
Flotsam // Jetsam (Murders at Karlov Manor #247)
Fuss // Bother (Murders at Karlov Manor #248)
Gallifrey Falls // No More (Doctor Who #131)
Hit // Run (Dissension #152)
Push // Pull (Murders at Karlov Manor #250)
Rags // Riches (Amonkhet #222)
Revival // Revenge (Ravnica Remastered #241)
Rough // Tumble (Time Spiral Remastered #186)
Spite // Malice (Dominaria Remastered #208)
Spring // Mind (Amonkhet #219)
Who // What // When // Where // Why (Unsanctioned #75)

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