O'lar, Brushfire Shaman

As an additional cost to cast O'lar, Brushfire
Shaman, sacrifice three Forests.
Whenever you tap a Forest for mana, add an additional {r/g}{r/g}.
Sacrifice an untapped non-Forest land: Return
up to one target Forest land card from your
graveyard to the battlefield. O'lar deals 1 damage
to each other creature.