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 - $7.00
Lightly Played - $6.30
Moderately Played - $5.60
Heavily Played - $4.90
Damaged - $3.50
NM-Mint Non English - $7.00
Lightly Played Non English - $6.30
Moderately Played Non English - $5.60
Heavily Played Non English - $4.90
Damaged Non English - $3.50
Foil Prices
NM-Mint Foil - $16.40
Lightly Played Foil - $14.70
Moderately Played Foil - $13.10
Heavily Played Foil - $11.50
Damaged Foil - $8.20
NM-Mint Foil Non English - $16.40
Lightly Played Foil Non English - $14.70
Moderately Played Foil Non English - $13.10
Heavily Played Foil Non English - $11.50
Damaged Foil Non English - $8.20