Athena, Storm Slayer

: If one or more tokens would be created under your control, twice that many of those tokens are created instead.
+1: Create a 1/1 white Solider creature token. 0 = Put a +1/+1 counter on each creature you control. Those creatures gain flying until end of turn.
-3: Destroy target creature an opponent controls with mana value 3 or greater.