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 - $5.40
Lightly Played - $4.90
Played - $3.80
Heavily Played - $3.30
Damaged - $2.70
Near Mint Non-English - $5.40
Lightly Played Non-English - $4.90
Played Non-English - $3.80
Heavily Played Non-English - $3.30
Damaged Non-English - $2.70
Foil Prices
Near Mint Foil - $7.00
Lightly Played Foil - $6.30
Played Foil - $4.90
Heavily Played Foil - $4.20
Damaged Foil - $3.50
Near Mint Foil Non-English - $7.00
Lightly Played Foil Non-English - $6.30
Played Foil Non-English - $4.90
Heavily Played Foil Non-English - $4.20
Damaged Foil Non-English - $3.50