Secret Lair Drop

Frenetic Sliver

All Slivers have "{0}: If this permanent is on the battlefield, flip a coin. If you win the flip, exile this permanent and return it to the battlefield under its owner's control at the beginning of the next end step. If you lose the flip, sacrifice it."

The List

Planar Chaos

All Slivers have "{0}: If this creature is in play, flip a coin. If you win the flip, remove this creature from the game and return it to play under its owner's control at end of turn. If you lose the flip, sacrifice it."