Frenetic Sliver is a rare Creature — Sliver card from Secret Lair Drop (SLD), collector number 662. Current market price: — (foil $3.84), TCGplayer market prices via Scryfall.
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."