Water Pipe Plant

Water Pipe Plant is a plant that makes the plant in front of it 2x faster/stronger If it shoots, like Peashooter, it will shoot faster. If it is a defensive plant, like Wall-nut, it will be 2x tougher. If there is nothing in front of it, it will shoot water straight up.

Strategy
Use this plant with a pumpkin and it will be protected so it can destroy more zombies. And, use it on powerful plants and they will be more powerful.