Irvinus, Plentiful Bounty

Any creature dealt damage by Irvinus, Plentiful
Bounty becomes a plant in addition to it's other creatures types and gains defender.
{t}: Add an amount of {g} equal to the number of plants your opponents control.
Landfall: Whenever a land enters the battlefield
under your control, target opponent creates a 0/1
green plant creature token with defender.