Wood Shape

You cause a nonmagical wooden object, that is not being worn or carried by another creature, that fits within a 10-foot cube, to bend and warp, permanently destroying its straightness, form, and strength. 

Reversible

When you cast this spell at 8th level, you can reverse a previous casting of this spell over the course of 10 min, requiring concentration.  If this spell ends prematurely, the affected wood is destroyed in a magical explosion.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the amount of wood that is affected is doubled for every 2 levels to a maximum of 160 cubic feet of wood.