Groudon, Lords of the Lands

Indestructible, Vigilance, Menace
If devotion to red, green, and white, is less than 8,
Goudon, Lord of the Lands is not a creature.
Whenever Groudon, Lord of the Lands attacks,
search your library for a Mountain, Forest, or
Plains card and put it on the battlefield tapped. If
Groudon deals combat damage to a player, untap
your creatures and lands. There is an additional
combat phase. Groudon is unable to attack
during this phase.