Army Spell Sylvan Elves

Place a Forest underneath the target until the last model in the unit is removed as a casualty. This Forest always extends up to the edges of the target’s Unit Boundary (even if the unit moves or changes formation). Whenever the target is within 3 of another Forest or an another unit entirely with , it must reroll to-hit and to-wound rolls of~1 with its Melee Attacks. You may place a marker next to the unit instead