Spell Wall (CBLZ-EN088) [Cosmo Blazer]

Activate 1 of these effects. Your opponent takes no further damage this turn.
<br>• During this turn, no Summon of a Spellcaster-Type monster can be negated, and when a Spellcaster-Type monster is Summoned, your opponent cannot activate cards or effects.
<br>•Target 1 Spellcaster-Type monster you control; if it attacks this turn, your opponent cannot activate cards or effects until the end of the Damage Step.