Doom of Tarkir

Manic (whenever this creature attacks, put a +1/+1 counter on it. Then, it gets +X/+X until end of turn,
where X is its power), flying, trample.
{r}: Doom of Tarkir gets +1/+0 until end of turn.
"Have you ever seen a plane fall? Well, you're about
to." - Pierre, Warlock Elder