Harrison Ford, Pilot Exemplar

Other Dwarves you control get +1/+1.
Each Vehicle you control gets +1/+1 as long as
it's a creature.
Whenever Harrison Ford, Pilot Exemplar
becomes tapped, you may pay {x}. If you do,
reveal the top X cards of your library, put all
Dwarf and Vehicle cards from among them into
your hand, then put the rest on the bottom of
your library in a random order.