Sphinx of Demosi

Flying.
Whenever Sphinx of Demosi enters the battlefield, return up to two target creatures to
their owners hand.
Secret {2}{u} (You may put this card face down into
exile for {0} on sorcery speed. You may turn it face up
for its secret cost if an opponent has drawn two or more
cards this turn, if you do, cast it without paying its
mana cost.)