Inferrous, Lord of Cinders

Soulburn (This creature deals damage to creatures
in the form of soulfire counters. If a creature has
soulfire counters greater than its converted mana
cost, destroy it, then it is exiled.)
Whenever a creature an opponent controls with
power 5 or less dies, gain a life.
Whenever a creature with power 6 or greater
dies, put a +1/+1 counter on Inferrous.