Genten, Scourge Builder

Genten, Scourge Builder enters with {x} +1/+1 counters on it.
When Genken, Scourge Builder enters the battlefield you may pay {e}{e} and destroy target Artifact.
{u}: Remove a +1/+1 counter and create a 1/1
Servo token.
{r}: Sacrifice a Servo token and deal 2 damage
to any target.