Those Old Scientists

Mana cost: {2}{U}

Enchantment — Saga

(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.