(1) Every person who maliciously drives or places, in any tree, saw-log, shingle-bolt or other wood, any iron, steel, ceramic, or other substance sufficiently hard to injure saws, knowing that the tree is intended to be harvested or that the saw-log, shingle-bolt, or other wood is intended to be manufactured into any kind of lumber or other wood product, is guilty of a felony.
(2)  Any person who violates the provisons [provisions] of subsection (1) of this section and causes great bodily injury to another person other than an accomplice shall be sentenced to an extended term of imprisonment pursuant to section 19-2520B, Idaho Code.