Text (JU+errata): 3/4. ; Discard two cards: Exile ~this~. Return it to the battlefield under its owner's control at the beginning of the next end step. [Oracle 2009/07/08]
If the ability is played during the End of Turn step, it will not return to play until the End of Turn step in the following turn. [Judgment FAQ 2002/05/28]
It returns to play as if it were newly cast. All effects and such that were on it ended when it left play. [Judgment FAQ 2002/05/28]
Note - This card was creature type "Beast" until Oracle 2007/10/01, when it became "Frog Beast".