Storm Screamer

Flying, menace
When Storm Screamer enters the battlefield, if
{u} was spent to cast it, return up to one target
creature with mana value 2 or less to its owner's
hand. If {b} was spent to cast it, each opponent
loses 2 life. (Do both if {u}{b} was spent.)
The Storm Screamers are the most vicious unit within
the Skyborn Corps.