--Verglascent Dormant
local cid,id=GetID()
function cid.initial_effect(c)
	--special summon
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP+EFFECT_FLAG_DELAY)
	e1:SetCode(EVENT_DESTROYED)
	e1:SetRange(LOCATION_HAND+LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCondition(cid.spcon1)
	e1:SetTarget(cid.sptg1)
	e1:SetOperation(cid.spop1)
	c:RegisterEffect(e1)
	--Spread ice
	local e3=Effect.CreateEffect(c)
	e3:SetCategory(CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DELAY+EFFECT_FLAG_DAMAGE_STEP)
	e3:SetCode(EVENT_DESTROYED)
	e3:SetOperation(cid.spop)
	c:RegisterEffect(e3)
end
function cid.cfilter(c,tp)
	return c:IsReason(REASON_BATTLE+REASON_EFFECT)
		and c:IsPreviousSetCard(0x1996) and c:GetPreviousControler()==tp and c:IsPreviousLocation(LOCATION_MZONE)
end
function cid.spcon1(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(cid.cfilter,1,e:GetHandler(),tp)
end
function cid.sptg1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and e:GetHandler():IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,e:GetHandler(),1,0,0)
end
function cid.spop1(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP) and c:RegisterFlagEffect(id,RESET_EVENT+RESETS_STANDARD,0,1) then
		local e2=Effect.CreateEffect(e:GetHandler())
		e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
		e2:SetCode(EVENT_PHASE+PHASE_END)
		e2:SetCountLimit(1)
		e2:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
		e2:SetLabelObject(c)
		e2:SetCondition(cid.descon)
		e2:SetOperation(cid.desop)
		Duel.RegisterEffect(e2,c)
	end
end
function cid.descon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	if tc:GetFlagEffect(id)~=0 then
		return true
	else
		e:Reset()
		return false
	end
end
function cid.desop(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
	Duel.Destroy(tc,REASON_EFFECT)
end
function cid.spop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(Card.IsFaceup,tp, LOCATION_MZONE,LOCATION_MZONE,nil)
	local tc=g:GetFirst()
	while tc do
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_ATTACK)
		e1:SetValue(-300)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD)
		tc:RegisterEffect(e1)
		tc=g:GetNext()
	end
end