Elementary, my Dear Morginna! (Full Art) (TSR-034 N) [The Battle at the Sacred Ruins]

[Investigate] (2) (As this card resolves, you gain "At the beginning of the next recovery phase >>> Reveal the top two cards of your deck and keep them revealed until end of turn. You can play those cards from your deck as long as they are revealed. At end of turn >>> Expel each card in your deck revealed this way." until the end of the next turn.) Reveal the top card of your deck and keep it revealed until end of turn. It gains "You can play this card from your deck." and "At the beginning of the end phase >>> If this card is revealed in your deck, expel it." until end of turn.