[REQUIREMENT] If there is a Plant Normal Monster in your GY, you can send the top 3 cards of your Deck to the GY to activate this.
[EFFECT] Choose 1 face-up monster your opponent controls, it loses 100 ATK x [the number of Plant Normal Monsters in your GY] until the end of the turn. If there is a Level 5 Normal Monster in your GY, you can also destroy all face-up Level 7 or higher Normal Monsters your opponent controls.