Exalted Eightbound

Double Strike, Haste
If any opponent controls a creature with power 6 or greater, Exalted Eightbound gets +2/+0.

As long as Exalted Eightbound is in play, opponents cannot shuffle their library or
return permanents from in play to their hand unless they pay {2}.

A deck can have up to three cards named Exalted Eightbound.