Cloudbreaker Serpent

Flying, hexproof
Scholarly (You may look at the top and bottom cards of your library. You may do this at any time.)
{1}: Put the top and bottom cards of your library into your graveyard. If two cards with the same name are put into your graveyard this way, Cloudbreaker Serpent gains ethereal until end of turn. (It can't deal or be dealt damage.)