Stone Steward

{x}: Reveal X cards from the top of your library.
If you reveal a card named "Stelar Unicorn", put
it into your hand and the other cards back on top
of your library in any order.
If you reveal a card named "Kepler Observatory",
put it into play and the other cards back on top
of your library in any order.
"Dear Keplerianer and Keplerianerinnen..."