Bal'Vaard, Divine Shield

Whenever a creature you control would be dealt
damage you may pay {x}, where X is the amount
of damage being dealt. If you do, that damage is
instead dealt to Bal'Vaard, Divine Shield. Put X
charge counters onto Bal'Vaard, Divine Shield.
{r/w}{r/w}, Remove X charge counters from
Bal'Vaard, Divine Shield: Prevent the next X
damage that would be dealt to another target
creature or planeswalker.