Howl, Infamous Mage

Partner with Calcifer, Fire Demon
Flying, ward {2}
Hellbent—As long as you have no cards in hand,
Howl gets +3/+3, has "Spells you cast cost {b} more to cast", is a black Demon and is goaded.
Discard a card: Reveal the top card of your
library. You may cast it if it's an instant or
sorcery card.