Fire Formation - Gyokkou (MP14-EN038) [2014 Mega-Tins Mega Pack]

Activate this card by targeting 1 Set Spell/Trap Card your opponent controls. Your opponent cannot activate the targeted card in response to this card’s activation. While this card is face-up on the field, that Set card cannot be activated. All Beast-Warrior-Type monsters you control gain 100 ATK.