Badgermole Cub [Avatar: The Last Airbender]

Cost: 1 G When this creature enters, earthbend 1. (Target land you control becomes a 0/0 creature with haste that's still a land. Put a 1/ 1 counter on it. When it dies or is exiled, return it to the battlefield tapped.)
Whenever you tap a creature for mana, add an additional G. Every mountain starts as a molehill.