Disease Research Facility

{t}: Exile the top card of your library, you may play it this turn. At the beginning of the next end step, for each card still exiled this way, return it to its owner’s graveyard.

{2},{t}, Sacrifice this artifact: Exile the top card
of your library, you may play it this turn.
Until end of turn, whenever you cast a spell from among cards exiled this way, copy it for each creature card in your graveyard.