Do-It-Yourself Seraph is a mythic Artifact Creature — Cyborg Angel card from Unstable (UST), collector number 6. Current market price: $0.51 (foil $0.78), TCGplayer market prices via Scryfall.
Flying Whenever this creature attacks, you may search your library for an artifact card, exile it, then shuffle. This creature has the text box of each card exiled with this creature in addition to its own.