Birthing Ritual Aetherdrift then you may return a

then you may return a non-Avatar creature card or a planeswalker card from your graveyard to your hand

choose one that hasn't been chosen this turn — • Draw a card

It gains indestructible until end of turn

({T}: Add {G} or {U}

Birthing Ritual Aetherdrift then you may return aAt the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order.