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 - $3.60
Lightly Played - $3.20
Played - $2.50
Heavily Played - $2.20
Damaged - $1.80
Near Mint Non-English - $3.60
Lightly Played Non-English - $3.20
Played Non-English - $2.50
Heavily Played Non-English - $2.20
Damaged Non-English - $1.80