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 - $6.40
Lightly Played - $6.10
Moderately Played - $5.80
Heavily Played - $5.10
Damaged - $4.20
NM-Mint Non English - $6.40
Lightly Played Non English - $6.10
Moderately Played Non English - $5.80
Heavily Played Non English - $5.10
Damaged Non English - $4.20
Foil Prices
NM-Mint Foil - $15.40
Lightly Played Foil - $14.60
Moderately Played Foil - $13.90
Heavily Played Foil - $12.30
Damaged Foil - $10.00
NM-Mint Foil Non English - $15.40
Lightly Played Foil Non English - $14.60
Moderately Played Foil Non English - $13.90
Heavily Played Foil Non English - $12.30
Damaged Foil Non English - $10.00