Valik, Mask of Secrets

When a creature you control becomes the target
of a spell you do not control, you may create a
copy of that spell and cast it until end of turn as
if it had flash without paying its mana cost.
Exploit - Look at the top seven cards of each library, and rearrange them in any order.
Pay 1 life, sacrifice a creature: Counter target spell targeting Valik, Mask of Secrets.