Avatar's, Relics of the Past

Avatar creatures cost {2} less to cast.

{3}, Sacrifice Avatar's, Relics of the Past: Search your
library or graveyard for an Avatar creature card, put
it in your hand, shuffle your library.

"Normally, we would have told you of
your identity when you turned sixteen but there
are troubling signs. Storm clouds are gathering.
I fear that war may be upon us young avatar."
-Council of Elder Monks