At the beginning of your end step, if you control a creature, look at the top seven cards of your library. Then you may sacrifice a creature. If you do, you may put a creature card with mana value X or less from among those cards onto the battlefield, where X is 1 plus the sacrificed creature's mana value. Put the rest on the bottom of your library in a random order.
Near Mint - $9.40
Lightly Played - $8.50
Played - $6.60
Heavily Played - $5.70
Damaged - $4.70
Near Mint Non-English - $9.40
Lightly Played Non-English - $8.50
Played Non-English - $6.60
Heavily Played Non-English - $5.70
Damaged Non-English - $4.70
Foil Prices
Near Mint Foil - $16.50
Lightly Played Foil - $14.80
Played Foil - $11.50
Heavily Played Foil - $9.90
Damaged Foil - $8.30
Near Mint Foil Non-English - $16.50
Lightly Played Foil Non-English - $14.80
Played Foil Non-English - $11.50
Heavily Played Foil Non-English - $9.90
Damaged Foil Non-English - $8.30