Counterflux - Return to Ravnica - R - 153

Type: Instant

English Effect:
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.")

Efecto en Español:
(Texto en español no disponible)