Haywire Machination

Haywire Machination costs {1} less to cast for
each creature that attacked this turn.
Artifact creatures you control have haste.
{t}, remove a +1/+1 counter from Haywire Machination: Create a 3/3 colorless Assembly
Worker artifact creature token.
2{r}{r}, Sacrifice an artifact: Put 2 +1/+1
counters on Haywire Machination.