Rainbow Dash,Loyal Friend

+2: Target creature gains: whenever this creature attacks, you may draw a card. If you do, discard a card.
+1: Destruct target creature. It's controller may put a creature card from his or her hand into the battlefield.
-12: Target creature loses all abilites and types and becomes blue and white storm, with base power and toughness 20/20 and has flying, haste, trample