Salvor Hardin

+2: Target permanent you control gains protection form the color of your choice until your next turn. Build the foundation
-3: Flip a coin 10 times. Look at the top cards of a players library equal to the number of flips won. Put them back in any order, then scry 3.
-10: Flip a coin 13 times. Drain x, draw x cards, and destroy x non land permanents where x is the number of flips won. If x is ten or more, you win.