Zenyatta

{1}{w/b}: Choose one; put a harmony or discord
counter on another target creature, or remove a harmony or discord counter from target creature.
Only one creature can have a discord counter, and
only one creature can have a harmony counter.
Whenever a creature with a discord counter takes damage, it takes that much plus 1.
Whenever a creature with a harmony counter takes damage, prevent 1 of that damage.