Ravager of Croyterel Peaks

Flying, Trample
{r}: This creature gets +1/+0 until end of turn.
Overpower - When this creature enters the battlefield, you may have it gain double strike
and haste until end of turn. If you do, sacrifice it
at the beginning of the next end step.
When this creature dies, it deals 3 damage to each opponent and each creature that player controls.