Phantasmal Image is a rare Creature — Illusion card from Secret Lair Drop (SLD), collector number 2306. Current market price: $7.35, TCGplayer market prices via Scryfall.
You may have this creature enter as a copy of any creature on the battlefield, except it's an Illusion in addition to its other types and it has "When this creature becomes the target of a spell or ability, sacrifice it."