From Flesh to Steel

{5}, {t}: Once this turn, whenever a target
creature you control dies, you may return it to
the battlefield as an artifact in addition to its
other types. Its power and toughness are equal to
the number of artifacts you control.
If you control S.T.A.R. Labs, this cards
activation cost is reduced by {4}.
"I'm sorry, my boy... But I can't lose you..."
- Silas Stone