--Verglascent Iceskater
local cid,id=GetID()
function cid.initial_effect(c)
	--synchro summon
	aux.AddSynchroProcedure(c,aux.FilterBoolFunction(Card.IsSetCard,0x1996),aux.NonTuner(Card.IsRace,RACE_DRAGON),1)
	c:EnableReviveLimit()
	--cannot be target
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetRange(LOCATION_MZONE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetTarget(cid.ttg)
	e1:SetCode(EFFECT_CANNOT_BE_EFFECT_TARGET)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetValue(aux.tgoval)
	c:RegisterEffect(e1)
	--swap
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_MZONE)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET+EFFECT_FLAG_DAMAGE_STEP)
	e2:SetCountLimit(1,id)
	e2:SetTarget(cid.target)
	e2:SetOperation(cid.operation)
	c:RegisterEffect(e2)
	--atk
	local e3=Effect.CreateEffect(c)
	e3:SetCategory(CATEGORY_ATKCHANGE)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetProperty(EFFECT_FLAG_DELAY)
	e3:SetCode(EVENT_DESTROYED)
	e3:SetCondition(cid.atkcon)
	e3:SetOperation(cid.spop)
	c:RegisterEffect(e3)
end
function cid.atkcon(e,tp,eg,ep,ev,re,r,rp)
	return bit.band(r,REASON_EFFECT+REASON_BATTLE)~=0
end
function cid.ttg(e,c)
	return c:IsSetCard(0x1996) and c:IsFaceup()
end
function cid.filter(c)
	return c:IsFaceup() and not (c:GetAttack()==c:GetDefense()) and not c:IsType(TYPE_LINK)
end
function cid.atkfilter(c)
	return c:IsFaceup() and not c:IsSetCard(0x1996)
end
function cid.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and cid.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(cid.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,cid.filter,tp,LOCATION_MZONE,LOCATION_MZONE,1,1,nil)
end
function cid.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
		local atk=tc:GetAttack()
		local def=tc:GetDefense()
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_SET_ATTACK_FINAL)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetValue(def)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		local e2=e1:Clone()
		e2:SetCode(EFFECT_SET_DEFENSE_FINAL)
		e2:SetValue(atk)
		tc:RegisterEffect(e2)
	end
end
function cid.spop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(cid.atkfilter,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