Ol' Blockhead, Cardcrafter

Menace; Hexproof

{t}: Target non-creature artifact becomes an artifact creature with power and toughness equal to its mana cost

{t}: Sacrifice an artifact creature to give Ol' Blockhead
+X/+X, where X is equal to the artifact creature's casting cost

--His work ends up being like a chip off the ol' block and chips are his favorite snack