Flenexia, queen of rogues

whenever a rogue enters the battlfield under you control, surveil 2
{t}{x}, create a x/x black rogue with deathtouch.
{u}{u}{b}{b}, return flenexia from your graveyard to the battlefield tapped
when flenexia, queen of rogues enters the battlfield, draw x cards, then destroy x target creatures