When The Seriema enters, search your library for a legendary creature card, reveal it, put it into your hand, then shuftle.
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+.)
7+:
Flying (This creature can't be blocked except by creatures with flying or reach.)
Other tapped legendary creatures you control have
indestructible (Effects that say "destroy" don't destroy that permanent. An indestructible creature can't be destroyed by damage.).
5/5