Tolinar, Deal Broker

{2}{w}: You and target opponent draws a card, this
can only target the same opponent once per turn.
{1}{u}: Target creature an opponent controls
can't be blocked this turn.
{1}{g}: You and target opponent gains 1 life.
{b}: You and target opponent loses 1 life.
{r}: Target creature an opponent controls gets
+1/+0 until end of turn.