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 - $4.10
Lightly Played - $3.30
Moderately Played - $2.90
Heavily Played - $2.50
Damaged - $2.10
Near Mint Spanish - $4.10
Lightly Played Spanish - $3.30
Moderately Played Spanish - $2.90
Heavily Played Spanish - $2.50
Damaged Spanish - $2.10
Foil Prices
Near Mint Foil - $5.00
Lightly Played Foil - $4.00
Moderately Played Foil - $3.50
Heavily Played Foil - $3.00
Damaged Foil - $2.50
Near Mint Foil Spanish - $5.00
Lightly Played Foil Spanish - $4.00
Moderately Played Foil Spanish - $3.50
Heavily Played Foil Spanish - $3.00
Damaged Foil Spanish - $2.50