2011-09-22
Dungrove Elder's ability sets its power and toughness in all zones, not just the battlefield.
2011-09-22
Dungrove Elder's power and toughness are each equal to the number of lands you control with the land type Forest, not necessarily lands named Forest.
2011-09-22
Dungrove Elder's power and toughness will change as the number of Forests you control changes.