When this card is activated: You can target 1 face-up card your opponent controls, negate its effects as long as this card remains face-up on the field. Your opponent cannot target Spell/Trap you control with monster effects. If this card is sent to the GY: You can target 1 Spell/Trap your opponent controls; destroy it. You can only activate 1 "World Heritage - Permafrost Forest, Pruinae" per turn.