Master Wizard

Protection from everything. Cannot die or be exiled.
Cannot be targeted by any spells or abilities even in the graveyard.
If he is on the Battlefield, you can't lose any life
{r} Gives +2/+2 to himself
{g}{1} Gives +2/+2 to all creatures you control
{b}{2} Gives -2/-2 to target creature
{u}{3} All Creatures you control become unblockable and damage cannot be prevented this turn.
{w}{4} You gain 100 life