Dick Smiley, Electrified

: During your end phase, for each creature you control that is untapped, add one lightning counter to Dick Smiley, Electrified.
+1: Remove 10 lightning counters, destroy target permanent, it can't be regenerated.
-10: Remove all lightning counters from Dick Smiley, Electrified. Deal damage to target opponent equal to lightning counters removed in this way.