Vruuluk, the Consuming Mist

When Vruuluk, the Consuming Mist enters the battlefield, search each players' libraries for 3 creature cards and exile them, then each player shuffles his or her library.
{x}{c}{t}: Put target creature in exile with converted mana cost X into play under your control. It is an Eldrazi in addition to its other types.
The mists are all-consuming and ever-expanding.