Mother of Chaos

ward 3 life.
When Mother of Chaos enters the battlefield you may discard a card. if you do,
you lose 2 life and draw 2 cards.
{b}{x}: choose target demon or devil creature card in your graveyard with mana cost X or less. Create a token that's a copy of it ,
you lose 2 Life , and when that token dies
you discard a card.