At the beginning of your end step, you may sacrifice a creature. If you do, look at the top X cards of your library, when 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.
Near Mint - $0.20
Lightly Played - $0.20
Moderately Played - $0.20
Heavily Played - $0.20
Damaged - $0.10
Near Mint Spanish - $0.20
Lightly Played Spanish - $0.20
Moderately Played Spanish - $0.20
Heavily Played Spanish - $0.20
Damaged Spanish - $0.10