Vesuvan Drifter is a rare Creature — Shapeshifter card from March of the Machine: The Aftermath (MAT), collector number 10. Current market price: $0.29 (foil $0.37), TCGplayer market prices via Scryfall.
Flying You may look at the top card of your library any time. At the beginning of each combat, you may reveal the top card of your library. If you reveal a creature card this way, this creature becomes a copy of that card until end of turn, except it has flying.