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 - $2,200
Lightly Played - $1,800
Moderately Played - $1,600
Heavily Played - $1,400
Damaged - $1,100
Near Mint Spanish - $2,200
Lightly Played Spanish - $1,800
Moderately Played Spanish - $1,600
Heavily Played Spanish - $1,400
Damaged Spanish - $1,100
Foil Prices
Near Mint Foil - $5,000
Lightly Played Foil - $4,000
Moderately Played Foil - $3,500
Heavily Played Foil - $3,000
Damaged Foil - $2,500
Near Mint Foil Spanish - $5,000
Lightly Played Foil Spanish - $4,000
Moderately Played Foil Spanish - $3,500
Heavily Played Foil Spanish - $3,000
Damaged Foil Spanish - $2,500