Clarence

{w}{w}: deal 5 damage to yourself and draw five cards
{w}{w}{w}:deal five damage to yourself and destroy target creature with power four or greater.
{b}{b}{b}: target player loses life equal to the number of untapped mana you control and you gain life equal to the life lost this way.
{b}{b}{b}{b}{b}{b}, exile Clarence until the end of the next combat stage: destroy all creatures on the battle field.