Uth'Bal, Ogre Magi

At the beginning of combat on your turn, flip a
coin until you lose a flip.
Whenever a player wins a coin flip, choose one:
•Uth'Bal, Ogre Magi deals 1 damage to target
creature or planeswalker.
•Put a +1/+1 counter on Uth'Bal, Ogre Magi.
•Each player mills a card.