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.
NM-Mint - $7.10
Lightly Played - $6.70
Moderately Played - $6.40
Heavily Played - $5.70
Damaged - $4.60
NM-Mint Non English - $7.10
Lightly Played Non English - $6.70
Moderately Played Non English - $6.40
Heavily Played Non English - $5.70
Damaged Non English - $4.60
Foil Prices
NM-Mint Foil - $14.10
Lightly Played Foil - $13.40
Moderately Played Foil - $12.70
Heavily Played Foil - $11.30
Damaged Foil - $9.20
NM-Mint Foil Non English - $14.10
Lightly Played Foil Non English - $13.40
Moderately Played Foil Non English - $12.70
Heavily Played Foil Non English - $11.30
Damaged Foil Non English - $9.20