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 - $7.80
Lightly Played - $7.10
Played - $5.50
Heavily Played - $4.70
Damaged - $3.90
Near Mint Non-English - $7.80
Lightly Played Non-English - $7.10
Played Non-English - $5.50
Heavily Played Non-English - $4.70
Damaged Non-English - $3.90
Foil Prices
Near Mint Foil - $11.90
Lightly Played Foil - $10.70
Played Foil - $8.30
Heavily Played Foil - $7.10
Damaged Foil - $6.00
Near Mint Foil Non-English - $11.90
Lightly Played Foil Non-English - $10.70
Played Foil Non-English - $8.30
Heavily Played Foil Non-English - $7.10
Damaged Foil Non-English - $6.00