Lay Waste

Mix {2} (You may pay {2} any number of times.
For each time the Mix cost was paid, put a result
counter on this spell.)
Destroy up to four creatures an opponent
controls with power and toughness combined
less than 8(A 3/4 creature could be destroyed, but
not a 4/4). Sacrifice three creatures you control
with power greater than 2. If you do, lose life
equal to the number of creatures that died this
turn. For each Result counter on this card, gain
2 life.