Circus Knife Juggler

Whenever you draw a card, you may flip a coin. If
you win, you may deal 1 damage to any target; If
you lose Circus Knife Juggler deals damage to
itself.
{r}{r}{r}: Draw three cards and discard two cards.
{b}{b}:Gain deathtouch until end of turn.
The higher the risk, the greater the reward.