Vivien, Skalla's Legacy

+2: Reveal the top five cards of your library. You may put a green card from among them into your hand. Put the rest on the bottom of your library.
-X: Destroy target artifact or enchantment with converted mana cost X.
-7: Create a token copy of target creature in a graveyard. It gains trample and haste. Sacrifice it at the beginning of the next end step.