Bill Cipher

When Bill Cipher enters the battlefield,
each opponent gains an emblem that says
"You play with your deck flipped upside down"
Flying, Indestructible, Annihilator 3
You may look at the top 3 cards of your
library at any time.
{x}{t}: You may mill up to 3 cards, X
target players exile the top card of their library.
You may cast those cards and
you may use mana as though it were
mana of any color to do so.