Headwater Temple Enigma

When Headwater Temple Enigma enters the
battlefield, target opponent Exiles a target crea-
ture. Return it rt play at the end of the turn.
{t}: Add {g} or {u}.
When a land comes into play, put an exploration
counter on Headwater Temple Enigma If there
are three, remove them and transform it into
Key to the Fartherst East. "It is completely isolated,
yet with so many styles of architecture." - soon to be
Pizarron, Lost Explorer."