Gorging Terror

Trample
Gorging Terror's power and toughness are equal
to the number of forests you control.

When Gorging Terror enters the battlefield,
sacrifice X permanents. For every permanent you
sacrifice this way, search your deck for a forest.
Put it into the battlefield tapped.
Whenever you sacrifice a land, search your deck
for a forest and put it into the battlefield tapped.
"No beast can match its hunger."