During your turn, while you control a Plant monster, your opponent cannot activate Cards effect from its hand. During your opponent turn, when a Plant monster you control is destroyed by battle or an opponent’s card effect and sent to the GY: You can targets 1 Spell/Trap Card on the field; destroy that target. If this card is sent from the field to the GY; destroy all Spell/Trap Cards you control then you can Special Summon 1 Level 4 or lower Plant monster from your hand but its effects are negated.