Vesuvan Shapeshifter is a rare Creature — Shapeshifter card from Time Spiral Remastered (TSR), collector number 97. Current market price: $0.36 (foil $0.62), TCGplayer market prices via Scryfall.
As this creature enters or is turned face up, you may choose another creature on the battlefield. If you do, until this creature is turned face down, it becomes a copy of that creature, except it has "At the beginning of your upkeep, you may turn this creature face down." Morph {1}{U}