See Double is a rare Instant card from March of the Machine (MOM), collector number 77. Current market price: $1.10 (foil $1.33), TCGplayer market prices via Scryfall.
This spell can't be copied. Choose one. If an opponent has eight or more cards in their graveyard, you may choose both instead. • Copy target spell. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.) • Create a token that's a copy of target creature.