Overgrown Farm

Overgrown Farm enters the battlefield tapped.
Whenever a source you control would tap for mana, you may tap Overgrown Farm. If you do, choose one -
- Add {g}.
- Pay 2 life, add {g}{g}.
- Pay 3 life, add {g}{g}{g} or {g}{b}.
Long since abandoned, the farms surrounding the Haltimulicrum have been reclaimed by nature.