Super Shadow, Golden One

+1: Spend X life: Super Shadow deals X damage to each creature and each player. (You can use this ability only once per turn.)
-2: You may look at the top three cards of your library. Exile one of those cards face down, then put the rest on the bottom of your library in any
-7: gain an emblem with "You may activate loyalty abilities of planeswalkers you control on any player's turn, any time you could cast an instant.