Duasad Keef, the Silver Tongue

{0}: Duasad becomes the color of your choice
until end of turn
{1}: Look at the top card of target player's library
{2}: Duasad phases out, each opponent gains 1 life
{3}: Place a bounty counter on target creature
{4}: Target creature has shadow until end of turn
Whenever a player destroys a creature with a
bounty counter they may either create a treasure
token or draw a card.