At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, where X is that creature's mana value. You may put a creature card from among them onto the battlefield. Put the rest on the bottom of your library in a random order.
NM-Mint Foil - $14.50
Lightly Played Foil - $13.10
Moderately Played Foil - $11.60
Heavily Played Foil - $10.20
Damaged Foil - $7.30
NM-Mint Foil Non English - $14.50
Lightly Played Foil Non English - $13.10
Moderately Played Foil Non English - $11.60
Heavily Played Foil Non English - $10.20
Damaged Foil Non English - $7.30