Mirrodin

Spellweaver Helix

Imprint When Spellweaver Helix comes into play, you may remove two target sorcery cards in a single graveyard from the game. (The removed cards are imprinted on this artifact.)
Whenever a card is played, if it has the same name as one of the imprinted sorcery cards, you may copy the other and play the copy without paying its mana cost.

Imprint — When Spellweaver Helix enters, you may exile two target sorcery cards from a single graveyard.
Whenever a player casts a card, if it has the same name as one of the cards exiled with Spellweaver Helix, you may copy the other. If you do, you may cast the copy without paying its mana cost.