--魔力無力化の仮面
--Mask of Dispel
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetTarget(s.target)
	e1:SetOperation(s.operation)
	c:RegisterEffect(e1)
	--Inflict 500 damage to that Spell's controller
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetCategory(CATEGORY_DAMAGE)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e2:SetCode(EVENT_PHASE|PHASE_STANDBY)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1)
	e2:SetCondition(s.damcon)
	e2:SetTarget(s.damtg)
	e2:SetOperation(s.damop)
	c:RegisterEffect(e2)
	--When that Spell leaves the field, destroy this card
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_FIELD)
	e3:SetRange(LOCATION_SZONE)
	e3:SetCode(EVENT_LEAVE_FIELD)
	e3:SetCondition(s.descon)
	e3:SetOperation(function(e) Duel.Destroy(e:GetHandler(),REASON_EFFECT) end)
	c:RegisterEffect(e3)
end
function s.filter(c)
	return c:IsFaceup() and c:IsSpell()
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	local c=e:GetHandler()
	if chkc then return chkc:IsLocation(LOCATION_SZONE) and s.filter(chkc) and chkc~=c end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,LOCATION_SZONE,LOCATION_SZONE,1,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	Duel.SelectTarget(tp,s.filter,tp,LOCATION_SZONE,LOCATION_SZONE,1,1,c)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if c:IsRelateToEffect(e) and tc:IsRelateToEffect(e) and tc:IsFaceup() then
		c:SetCardTarget(tc)
	end
end
function s.damcon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetHandler():GetFirstCardTarget()
	return tc and Duel.IsTurnPlayer(e:GetHandlerPlayer())
end
function s.damtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local p=e:GetHandler():GetFirstCardTarget():GetControler()
	Duel.SetTargetPlayer(p)
	Duel.SetTargetParam(500)
	Duel.SetOperationInfo(0,CATEGORY_DAMAGE,nil,0,p,500)
end
function s.damop(e,tp,eg,ep,ev,re,r,rp)
	local p=e:GetHandler():GetFirstCardTarget():GetControler()
	local d=Duel.GetChainInfo(0,CHAININFO_TARGET_PARAM)
	Duel.Damage(p,d,REASON_EFFECT)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetHandler():GetFirstCardTarget()
	return tc and eg:IsContains(tc)
end