Noah, the Upside Down

+2: Slap target opponent X times, where X is the total power of creatures you control.
-5: Reveal the bottom card of your deck. Create a 0/2 green mammoth with X +1/+1 counters, where X equals its converted mana cost.
-10: You get an emblem with: every time you cast a green spell, copy that spell. You may chose new targets for the copy