Yuno, of the Golden Dawn

Flying, first strike
Whenever you cast an instant or sorcery spell
put a wind counter on Yuno, then choose one -
* Yuno gets +1/+1 until end of turn
* Yuno gains hexproof until end of turn
* Tap target creature
At the beginning of each end step if there are 5
or more wind counters on Yuno transform him.