Jace, Dragon friend

+3: Draw a card, then exile a card. If drawn card was a dragon, don't exile a card and untap Jace
-1: If a card was exiled by a Jace, you may cast it, if you don't, draw 1 card for each dragon in exile or graveyard
-7: Search in your library for any amount of dragon creatures, exile them and shuffle your library, then gain as many health as loyalty Jace has