Vivian Dread

{b}{b}{t}: target player reveals their hand. Choose a card and put it in its owner's graveyard.
{r}{r}{t}: Vivian Dread deals 3 damage to target creature or player.
Discard a card at random from your hand: untap target permanent.

Sacrifice a creature: Vivian Dread becomes a 3/3 black artifact creature with flying that counts as a Demon. Vivian Dread retains its other abilities as well.

"Oh don't mind Vivian. She's just my hiking buddy."