Sledge-Class Seedship 
Artifact — Spacecraft
Station (Tap another creature you control: Put charge counters equal to its power on this Spacecraft. Station only as a sorcery. It's an artifact creature at 7+.) STATION 7+ Flying Whenever this Spacecraft attacks, you may put a creature card from your hand onto the battlefield.
Legality
standardLEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL