The Time Stone

{t}: Choose one that hasn't been chosen this turn:
• Untap all permanents you control.
• Scry 6.
• Each player returns to their starting life total.
{bull} Put target creature from your graveyard or exile
zone onto the battlefield under your control.
{bull} Put target creature an opponent controls onto
the top of their library.
{bull} Copy target spell that was cast this turn. You
may choose new targets for the copy.