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 - $14.40
Lightly Played Unlimited - $13.70
Moderately Played Unlimited - $12.30
Heavily Played Unlimited - $10.80
Damaged Unlimited - $10.10