Id Awakened

As an additional cost to cast this spell, sacrifice 3 artifacts or enchantments.
Search your library for a creature card with
converted mana cost X or less, where X is the
number of artifacts and enchantments in your
graveyard, and put it on to the battlefield. Then,
shuffle your library. If X is 4 or more, it gets
+X/+X gain trample and haste until end of turn.