Avatar of Nature

As you cast Avatar of Nature, you may pay {w}{u}{g}{g}{c} in addition to its normal mana cost.
When Avatar of Nature enters the battlefield
remove all Augment counters from all
creatures on the battlefield. If you payed the additional cost while casting this creature,
creatures you control are not sacrificed when they
lose their Augment counter.
Creatures all players control are unable to be Augmented.