USS. Cleveland, Sea Knight

Reach
All creatures you control have prowess (Whenever
you cast a noncreature spell, this creature gets +1/+1
until end of turn.)
When USS. Cleveland, Sea Knight attacks, you
may pay {x}{w}{u}{r}. If you do, USS. Cleveland,
Sea Knight and all other attacking creatures gain
+X/+X until the beginning of the next end step.