"Iron Man" Franky

BF-38 {2}{u}{r}{w} (You may cast this card converted for {2}{u}{r}{w})
At the beginning of each end step, bolster 1.
(Choose a creature with the least toughness
among creatures you control and put a +1/+1 counter on it.)

When Franky died, return it to the battlefield converted under it's owner's control.

"SUPER!"