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.