Briarwood Boughyards

Imprint - When Briarwood Boughyards enters
the battlefield, you may exile a vehicle card from
your hand or your library. If the vehicle card was exiled from your library, shuffle.
Tap X untapped non vehicle Elf creatures you
control: Create a token copy of the imprinted
card, except it is an Elf permanent in addition to
its other types. X is the mana value of that card.