You have at least one creature card in your graveyard.
({B} magic symbol) available.
Steps
Cast Sacrifice by paying ({B} magic symbol) and sacrificing Scholar of the Ages, adding seven ({B} magic symbol) .
Cast Victimize by paying ({2} magic symbol) ({B} magic symbol) , causing you to sacrifice a creature and return Scholar of the Ages and another creature from your graveyard to the battlefield.
When Scholar of the Ages enters the battlefield, it triggers, returning Sacrifice and Victimize to your hand from your graveyard.