unexpected changes

When unexpected changes enter the battlefield
for each creature you control swap it's power and
toughness with power and toughness of random
creature opponent controls until unexpected
changes leaves the battlefield.unexpected changes
enters the batlefield with one mana counter.at the
beggining of each end step remove one counter
from unexpected changes.sucrafise unexpected
changes if it has no mana counters.
{7}{g}: profilirate.