Wild Defiance

Oracle Text

Whenever a creature you control becomes the target of an instant or sorcery spell, that creature gets +3/+3 until end of turn.

Card Rulings

5/1/2012 Wild Defiance’s ability will resolve before that instant or sorcery spell.
5/1/2012 If an instant or sorcery spell targets the same creature you control more than once, Wild Defiance will trigger only once.