You may look at the top card of your library any time. You may play lands and cast spells from the top of your library. Once during each of your turns, you may cast a spell from your hand or the top of your library without paying its mana cost.
Near Mint - $800
Lightly Played - $600
Moderately Played - $600
Heavily Played - $500
Damaged - $400
Near Mint Spanish - $800
Lightly Played Spanish - $600
Moderately Played Spanish - $600
Heavily Played Spanish - $500
Damaged Spanish - $400