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 - $5.30
Lightly Played - $4.80
Moderately Played - $4.20
Heavily Played - $3.70
Damaged - $2.70
NM-Mint Non English - $5.30
Lightly Played Non English - $4.80
Moderately Played Non English - $4.20
Heavily Played Non English - $3.70
Damaged Non English - $2.70
Foil Prices
NM-Mint Foil - $7.60
Lightly Played Foil - $6.80
Moderately Played Foil - $6.10
Heavily Played Foil - $5.30
Damaged Foil - $3.80
NM-Mint Foil Non English - $7.60
Lightly Played Foil Non English - $6.80
Moderately Played Foil Non English - $6.10
Heavily Played Foil Non English - $5.30
Damaged Foil Non English - $3.80