Iron Apprentice 
Artifact Creature — Construct
This creature enters with a +1/+1 counter on it. When this creature dies, if it had counters on it, put those counters on target creature you control.
Legality
standardNOT LEGALpioneerLEGALmodernLEGALlegacyLEGALvintageLEGALcommanderLEGAL