reassembling ratchet bomb

evoke: {1}{x}
buyback: {3}
when reassembling rachet bomb enters the battlefield it deals x damage to each non-artifact creature and each opponent
{r} sacrifice reassembling rachet bomb: destroy
target nonland permanent with mana value one
or less
when reassembling ratchet bomb dies if it wasn't evoked you may pay {2} if you do return it to your
hand