Arcbound Overseer 99/165 (Darksteel)

At the beginning of your upkeep, put a +1/+1 counter on each creature you control with modular. Modular 6 (This creature enters with six +1/+1 counters on it. When it dies, you may put its +1/+1 counters on target artifact creature.)

NM - $3.50
LP - $2.80
MP - $2.10
HP - $1.50
DMG - $1.50