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 - $12.75
Lightly Played Unlimited - $12.25
Moderately Played Unlimited - $10.40
Heavily Played Unlimited - $9.10
Damaged Unlimited - $6.50