Twilight

Equipped Creature gains +1/+1 for each
burning permanent in play
Equipped Creature can only deal combat
damage to a player if unblocked.
Whenever equipped creature deals combat
damage to a player, if it is a burning, destroy
all permanents other than Twilight.
Equip: {2}{r}{r}{r}
It is the instrument of the end of the world, not the
one that plays the tune.