U.S.S. Discovery, at Black Alert is a rare Legendary Artifact — Spacecraft card from Star Trek (TRK), collector number 474.
Whenever U.S.S. Discovery enters or attacks, discover 5. (Exile cards from the top of your library until you exile a nonland card with mana value 5 or less. Cast it without paying its mana cost or put it into your hand. Put the rest on the bottom in a random order.) Station 6+ | Flying