Epstein, Youth Bringer

Partner with Ghislaine, Kid Snatcher
{1}{b}, {t}: Target creature's base power and toughness become 1/1 until end of turn
{t}: Sacrifice Epstein, and all permanents under your control that you do not own, put a +1/+1 counter on Ghislaine, Kid Snatcher for every permanent sacrificed this way
Come relish in my fountain of youth, dear