Selective Incineration

Multikicker {1}{r} (You may pay an additional {1}{r} any number of times as you cast this spell.)
Selective Incineration deals damage to each
creature and planeswalkers equal to the highest
toughness among creatures on the battlefield.
If you kicked this spell you may prevent that
damage to one target creature and deal it to
target player instead. (You may select new targets
for each time this spell was kicked.)