Windwitch - Blizzard Bell

If you control no monsters, or all monsters you control are "Windwitch" monsters, you can Normal Summon this card without Tributing. During your opponent's Main Phase, if you control a "Windwitch" monster other than "Windwitch - Blizzard Bell" (Quick Effect): You can send this card from your hand or field to the GY; inflict 500 damage to your opponent. You can only use this effect of "Windwitch - Blizzard Bell" once per turn.