Dayton, bringer of Balance

When Dayton, bringer of balance
enters the field, all {w} and {b} colored creatures on
both sides are destroyed.

You may pay {u}{3} and sacrifice any amount of {w} or {b} colored creatures, your opponent sacrifices
a creature of the same type for
each one sacrificed. This creature gains 2 Toughness
while Daniel, Aspect of Time is on the field.