Counterflux - Return to Ravnica - 153

Instant

Mana Cost: {U}{U}{R}

This spell can't be countered.
Counter target spell you don't control.
Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")

Rare · Return to Ravnica · #153 (RTR)

Illustrated by Scott M. Fischer