Creatures can't attack you or planeswalkers you control unless their controller pays {X} for each of those creatures, where X is the number of enchantments you control.
Near Mint - $13.75
Lightly Played - $13.00
Moderately Played - $11.00
Heavily Played - $8.25
Damaged - $7.00
Near Mint Non-English - $13.75
Lightly Played Non-English - $13.00
Moderately Played Non-English - $11.00
Heavily Played Non-English - $8.25
Damaged Non-English - $7.00
Foil Prices
Near Mint Foil - $14.00
Lightly Played Foil - $13.50
Moderately Played Foil - $11.25
Heavily Played Foil - $8.50
Damaged Foil - $7.00
Near Mint Foil Non-English - $14.00
Lightly Played Foil Non-English - $13.50
Moderately Played Foil Non-English - $11.25
Heavily Played Foil Non-English - $8.50
Damaged Foil Non-English - $7.00