If you control a Spellcaster-Type monster and your opponent does not, your opponent cannot activate Spell Cards. If you control no Spellcaster-Type monsters, you cannot activate Spell Cards.
Near Mint Unlimited - $22.50
Lightly Played Unlimited - $20.30
Moderately Played Unlimited - $18.00
Heavily Played Unlimited - $11.30
Damaged Unlimited - $9.00