--Verglascent Blistering Winds
local cid,id=GetID()
function cid.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetTarget(cid.destg)
	e1:SetOperation(cid.desop)
	c:RegisterEffect(e1)
end
function cid.filter(c)
	return c:IsFaceup() and c:IsSetCard(0x1996)
end
function cid.filter2(c)
	return c:IsFaceup() and c:GetBaseAttack()>0
end
function cid.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsOnField() and chkc:IsControler(1-tp) end
	if chk==0 then return Duel.IsExistingMatchingCard(cid.filter,tp,LOCATION_MZONE,0,1,nil)
		and Duel.IsExistingTarget(cid.filter2,tp,0,LOCATION_MZONE,1,nil) end
	local ct=Duel.GetMatchingGroupCount(cid.filter,tp,LOCATION_MZONE,0,nil)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g=Duel.SelectTarget(tp,cid.filter2,tp,0,LOCATION_MZONE,1,ct,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,g:GetCount(),0,0)
end
function cid.desop(e,tp,eg,ep,ev,re,r,rp)
	local tg=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local g=tg:Filter(Card.IsRelateToEffect,nil,e)
	local tc=g:GetFirst()
	while tc and tc:IsRelateToEffect(e) and tc:IsFaceup() do
		local atk=tc:GetAttack()
		local batk=tc:GetBaseAttack()
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		if atk>=batk then
			e1:SetValue(-300)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD)
			tc:RegisterEffect(e1)
		else
			Duel.Destroy(tc,REASON_EFFECT)
		end
		tc=g:GetNext()
	end
end