Dr. Trittuik

Prevent all combat damage dealt to and by
Dr.Trittuik.
Whenever a player is dealt damage by Dr.Trittuik,
put a -1/-1 counter on target creature that player controls. If that player controls no creatures,
then that player randomly discards a card.
"You aren't currently scheduled for a tooth pulling, not even a patient of mine, but let's start with.... this one!"