Arcbound Factory

{t}: add {c} to your mana pool. If that was spent
on a creature with modular, it enters with an
addition +1/+1 counter on it.
Modular 6 (Arcbound Factory enter the battlefield
with six +1/+1 counters on it. When it is destroyed,
you may but its +1/+1 counter on another target
creature.)
{8}: destroy Arcbound Factory.