whenever ludevic, necrogenius enters the battlefield or attacks, mill a card. xuubb, exile x creature cards from your graveyard: transform ludevic. x can't be 0. activate only as a sorcery. // olag, ludevic's hubris (4/4) legendary creature — zombie as this creature transforms into olag, ludevic's hubris, it comes a copy of a creature card exiled with it, except its name is olag, ludevic's hubris, it's a 4/4, and it's a legendary blue and black zombie in addition to its other colors and types. put a number of +1/+1 counters on olag equal to the number of creature cards exiled with it.