Deathfire Dragon

Flying, Forestwalk, Swampwalk
Sacrifice a creature: Deathfire Dragon deals
damage to any target equal to the sacrificed
creature's power. Put two +1/+1 counters on
Deathfire Dragon.
When Deathfire Dragon dies, deal damage equal
to its power to each opponent and each creature
they control.
{b}{g}: Regenerate Deathfire Dragon.