Timberburst Wisp

Attrition 1(you may have this creature enter the battlefield with a -1/-1 counter on it. If you do, it becomes attrited)
Timberburst wisp can only be blocked by creatures that are attrited.
{g}: timberburst wisp gains haste until end of turn
{g}: target creature gains haste until end of turn. Activate this ability only if Timberburst Wisp is attrited.