7 cards where the cards are split and the color identity is R

Boom // Bust (Time Spiral Remastered #156)
Coward // Killer (Doctor Who #77)
Dead // Gone (Time Spiral Remastered #161)
Fast // Furious (Modern Horizons 2 #123)
Indulge // Excess (New Capenna Commander #46)
Insult // Injury (Amonkhet #213)
Rough // Tumble (Time Spiral Remastered #186)

In the blink of an eye, they strode from deep snow to the end of this search.