Black Star Angel

Flying, Vigilance; has the Giant type.
-When Black Star Angel attacks, you may pay
{u/r}{r/w}. If you do, search your library for an
instant card with a converted mana cost 2 or less,
put it into your hand and shuffle your library.
-When you cast an instant or sorcery, put a
+1/+1 counter on Black Star Angel.
-When Black Star Angel would die, it ceases
to be creature instead.
- Angel spells cost you {1}{w} less to cast,
Wizards spells cost {1}{u} more to cast.