Text (AR+errata): 3/4. ; When ~this~ enters the battlefield, it deals 3 damage to target creature with flying. ; Cycling {R/G}. [Oracle 2009/07/08]
The comes into play ability is not optional. If you're the only one who controls a creature with flying, you have to target one of your own creatures. If there is no legal target, then the ability isn't played. [Alara Reborn FAQ 2009/04/30]
