Renehexim, Hidden Leader

{g}: Put the top card of your library into your graveyard.
{1}{r}: Target player discards a card, then draws a
card.
{2}{u}: Tap target creature. It doesn't untap during
it's controllers next untap step.
{3}{b}: Target player creates a 2/2 black zombie creature token.
{4}{w}: Exile target creature with power 3 or less.