You may look at the top card of your library any time. You may cast creature spells from the top of your library. You can spend mana of any type to cast creature spells.
Near Mint - $900
Lightly Played - $800
Moderately Played - $700
Heavily Played - $600
Damaged - $500
Near Mint Spanish - $900
Lightly Played Spanish - $800
Moderately Played Spanish - $700
Heavily Played Spanish - $600
Damaged Spanish - $500