Scrap Catapult

Reach.
If Scrap Catapult destroys an artefact creature,
create X 1/2 colourless Trash Pile tokens with "Sacrifice this creature: Add 1 mana of any colour
to your mana pool." Where X is the destroyed creature's power.
Crew 2 (Tap any number of creatures you control
with total power 2 or more: This Vehicle becomes
an artifact creature until end of turn.)