Overgrowth Patriarch

Trample, mountainwalk, forestwalk
Landfall - Whenever a land enters the battlefield
under your control, you may search your library
for a Mountain or Forest card, put it into your
hand, then shuffle your library.
Enrage - Whenever Overgrowth Patriarch is dealt damage, put a +1/+1 counter on it. Then, you
may play an additional land this turn.