Arhan, Ghost Judge

{w}{u} : Put a card from your hand on the top of your library.
{1}{u}{b} : Reveal the top card of your library :
Each player draws cards equal to the revealed
card converted mana cost.
{1}{w}{b},{t} : For each card in target opponent's hand, each opponent loses 3 life unless he or she discards a card or tap a creature he or she controls. Creatures tapped this way doesn't untap during their controller's next untap step.