Horlan, One With Nothing

Whenever Horlan, One With Nothing attacks, if
you have no cards in hand, return target creature
card from your graveyard to the battlefield.
{b}{b}: Discard a card.
{5}{b}{b}: Until end of turn, cards you own that
aren't on the battlefield have madness. The
madness cost is equal to its mana cost.
"What fun!"