Purifying Fire

Eh, I liked it more when it was just creature or player. They way its been changed now, it will still only deal damage to players or creatures, but it'll just remove counters from everything else. I mean by changing it to any permanent it just allows the card to do too much, and it loses alot of its flavor and meaning. At least thats what I think, not to shut down your change in idea or anything, but your original concept was far more solid in my eyes. When you think about it, the only permanent that would recieve any damage would still be just a creature, a planeswalker dies the moment it loses all its counters, results in no damage dealt. You target some artifact or enchantment, they're not able to recieve damage, resulting again in no damage. The whole idea about it being a purifying flame of sorts, loses alot of flavor if it isn't able to burn the majority of what it'll be targeting. If this existed, it wouldn't be used on creatures very often.
Anyways I've gone on for too long about this. If you wanna leave it fine, but I do suggest changing it back to just creatures and players. It just seems more appropriate.