Legendary Flame Lord

This card can only be Ritual Summoned with the Ritual Spell Card, "Incandescent Ordeal". You must also Tribute monsters whose total Levels equal 7 or more from the field or your hand. Each time you or your opponent activates 1 Spell Card, put 1 Spell Counter on this card. Remove 3 Spell Counters from this card to destroy all monsters on the field except this card.