Mina,The Grand Weaver

+2: Gain 2 life and Draw 2 cards
-4: Search The Library for a "Weaver" card, put it into in play where the converted mana cost is equal to the number of cards drawn this turn.
-7: Make a copy of "Mina,The Grand Weaver" where it's power and toughness is equal to the number of "Weaver"Cards on the battlefield.