Tapping has no effect on static abilities such as Avacyn's. All creatures will remain indestructible.

The ability would only work as described if it read "While Avacyn, Angel of Hope is untapped, all permanents you control are indestructible." or something similar.

Tapping has no effect on static abilities such as Avacyn's. All creatures will remain indestructible.

The ability would only work as described if it read "While Avacyn, Angel of Hope is untapped, other permanents you control have indestructible." or something similar.

Tapping has no effect on static abilities such as Avacyn's. All creatures will remain indestructible.

Tapping has no effect on static abilities such as Avacyn's. All creatures will remain indestructible.

The ability would only work as described if it read "While Avacyn, Angel of Hope is untapped, all permanents you control are indestructible." or something similar.