Realm Warp

(You may cast a legendary instant only if you control a legendary creature or planeswalker.)
Return up to 5 target creatures you control to
your hand. If the foretell cost was paid, you may instead put up to 5 creature cards in your hand
onto the battlefield tapped and attacking.
Foretell {5}{u}{u}(During your turn, you may pay {2} and exile this card from your hand face down.
Cast it on a later turn for its foretell cost.)