Tree singing has changed. it should be
Code:
{macro Augment} {macro DirectDam}
{macro Casting8} Cast on a forest within 18". If the forest contains no units, it moves D6+1" in a direction chosen by the caster. The forest cannot move to within 1" of units or other terrain features.
If there is at least one unit within the forest, then the forest does not move. Instead, a single enemy unit at least partially within the forest chosen by the caster suffers 2D6 Strength 4 hits.
{macro Casting16} Affects every forest within 12".