New Spell: Insta' Grow Juice

I have a new idea for a spell Called Intsa' Grow

Name of Spell: Insta' Grow
Training Cost: 15000
Targets: The Floor Or A Cannon/Mortar
Effect: If used on ground, A giant vine will grow and throw seeds at any Cannon/Mortar. If thrown directly at a Cannon/Mortar a vine will grow and wrap itself around the unit making it so it cant shoot and it'll slowly take damage
Damage Type: 10 Every 10 Seconds
Training Time: 40 Minutes
Description: This potion will grow an plant to help you in your quest for victory.
Research/Spell Levels:
1. (Default Lvl) 1 Vine On Ground. One On Unit. (Cost 15000)
2. 2 Vine On Ground. 1 One Unit. (Cost 16000)
3. 1 Bean Stalk On Ground. 1 Bean Shooter On Unit (Will Turn Vines Into Bean stalks The Will Throw Beans Dealing More Damage And Units Wrapped Around Vines Will Instead Shoot Beans At It's Own team) (Cost 20000)