Quest for Pure Flame [Zendikar]

Set: Zendikar Type: Enchantment Uncommon Cost: {R} Whenever a source you control deals damage to an opponent, you may put a quest counter on Quest for Pure Flame. Remove four quest counters from Quest for Pure Flame and sacrifice it: If any source you control would deal damage to a permanent or player this turn, it deals double that damage to that permanent or player instead.