At the beginning of your upkeep, reveal the top card of your library. If it's a creature card that shares a creature type with a creature you control, you may cast it without paying its mana cost. If you don't cast it, put it on the bottom of your library.
Near Mint - $7.70
Lightly Played - $6.20
Moderately Played - $5.40
Heavily Played - $4.70
Damaged - $3.90
Near Mint Spanish - $7.70
Lightly Played Spanish - $6.20
Moderately Played Spanish - $5.40
Heavily Played Spanish - $4.70
Damaged Spanish - $3.90