Daretti, Ingenious Iconoclast is a mythic Legendary Planeswalker — Daretti card from Conspiracy: Take the Crown (CN2), collector number 74. Current market price: $6.18 (foil $11.14), TCGplayer market prices via Scryfall.
+1: Create a 1/1 colorless Construct artifact creature token with defender. −1: You may sacrifice an artifact. If you do, destroy target artifact or creature. −6: Choose target artifact card in a graveyard or artifact on the battlefield. Create three tokens that are copies of it.