Deep Space 9 is a mythic Legendary Artifact — Spacecraft card from Star Trek (TRK), collector number 479.
When Deep Space 9 enters and at the beginning of your upkeep, exile the top four cards of your library. Put all permanent cards exiled this way onto the battlefield. Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery.) 9+ | Creatures you control get +3/+3.