Creating consumable items that grows plants?
So buying a consumable seed you could place on the ground. After a set time, the seed is there for everyone to use:
Honeyfruit Seed •125g Places a honey fruit bush that you can harvest from after 45 seconds. The 5 fruit produced heals 15-75 health and 20-80 mana per fruit consumed while slowing them briefly upon consuming.
Blasting Pod •250g Places a seed that grows over 90 seconds. Upon maturity, can be used by anyone to knock anyone in the blast radius away from the impact zone.
Scrying Sapling •175g Places a sapling at a location that grows into a viny seed over 75 seconds. Once used, the seed reveals a cone-area to the one who broke it for several seconds.
Only a maximum of one seed active at a time per champion.