1G, T: You may put a creature card from your hand onto the battlefield.

Zoological Study 2G

Sorcery — Adventure

Mill five cards, then return a creature card milled this way to your hand.

, : You may put a creature card from your hand onto the battlefield.

Mill five cards, then return a creature card milled this way to your hand. (Then exile this card. You may cast the artifact later from exile.)