Those Old Scientists (TRK-086) [Star Trek]

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)

[I] Draw two cards, then discard two cards.

[II] Return up to one target artifact, instant, or sorcery card from your graveyard to your hand.

[III] Choose up to two target cards in graveyards. The owners of those cards shuffle them into their libraries.