Bendigeidfran, The Bridge

+1: Until end of turn, Bendigeidfran, The Bridge becomes a 5/5 Giant Knight creature with hexproof that's still a planeswalker.
-2: You may cast creatures this turn as if they had flash. Creatures cast this turn gain haste and lifelink until end of turn.
-5: Search your library for a Knight or Giant. Put it onto the battlefield, then it fights target creature. Shuffle it into your library afterwards.