Icejade Curse - MP23-EN094 Super Rare 1st Edition

While an "Icejade" monster and "Icejade Cenote Enion Cradle" are on the field, your opponent cannot activate the effects of monsters that were Summoned that turn. When a monster is destroyed by battle involving your "Icejade" monster: You can target 1 of those destroyed monsters; inflict damage to your opponent equal to that monster's original ATK. You can only use this effect of "Icejade Curse" once per turn.