Esoteric Duplicator is a mythic Artifact — Clue card from The Big Score (BIG), collector number 35. Current market price: $7.37 (foil $12.93), TCGplayer market prices via Scryfall.
Whenever you sacrifice this artifact or another artifact, you may pay {2}. If you do, at the beginning of the next end step, create a token that's a copy of that artifact. {2}, Sacrifice this artifact: Draw a card.