Ascendant of the Forest

Every time Ascendant of the Forest is dealt damage. grant it -0/-X, X being the damage dealt, heal all ally creatures and players 4 life and search your library for a Green Land card and put it on the battlefield, tapped.
"It seems as though the forest is sending us a message. It cannot last forever, but take solace in the fact that we will be powerful for it. Even if it is only temporary" - Marduk, of the Druid's Walk