Horde Combustion

Destroy all creatures. They can't be regenerated.
Horde Combustion deals 2 damage to each
player for each creature they controlled that was
destroyed this way.
The soldiers looked on in triumph as the wizard's spell
caused the goblins to explode one by one.
"Pop, pop, pop!"
Their smiles soon faded however and gave way to
concern as the popping sound began to draw nearer
and nearer...