--Cursilver Chain of Agony
local s,id=GetID()
function s.initial_effect(c)
	--You can only control 1 "Cursilver Chain of Agony".
	c:SetUniqueOnField(1,0,id)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	c:RegisterEffect(e1)
	--If a monster(s) is Special Summoned and you control a "Cursilver" monster: You can target 1 face-up monster your opponent controls; until the end of this turn, change its ATK to 0, also negate its effects.
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_ATKCHANGE+CATEGORY_DISABLE)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_O)
	e2:SetProperty(EFFECT_FLAG_DELAY+EFFECT_FLAG_CARD_TARGET)
	e2:SetCode(EVENT_SPSUMMON_SUCCESS)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.discon)
	e2:SetTarget(s.distg)
	e2:SetOperation(s.disop)
	c:RegisterEffect(e2)
	--All monsters your opponent controls lose 100 ATK/DEF for each "Cursilver" card on the field and in the GYs.
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(EFFECT_UPDATE_ATTACK)
	e3:SetRange(LOCATION_SZONE)
	e3:SetTargetRange(0,LOCATION_MZONE)
	e3:SetValue(s.atkval)
	c:RegisterEffect(e3)
	local e4=e3:Clone()
	e4:SetCode(EFFECT_UPDATE_DEFENSE)
	c:RegisterEffect(e4)
end
function s.atkval(e,c)
	local LOCATIONS=LOCATION_GRAVE+LOCATION_MZONE+LOCATION_FZONE+LOCATION_SZONE
	return Duel.GetMatchingGroupCount(aux.FaceupFilter(Card.IsSetCard, 0xc72),0,LOCATIONS,LOCATIONS,nil)*-100
end
function s.filter(c)
	return c:IsFaceup() and (c:GetAttack()>0 or aux.NegateMonsterFilter(c))
end
function s.disconfilter(c)
	return c:IsFaceup() and c:IsSetCard(0xc72)
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.disconfilter,tp,LOCATION_MZONE,0,1,nil)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(1-tp) and s.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(s.filter,tp,0,LOCATION_MZONE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	Duel.SelectTarget(tp,s.filter,tp,0,LOCATION_MZONE,1,1,nil)
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local tc=Duel.GetFirstTarget()
	if tc:IsFaceup() and tc:IsRelateToEffect(e) then
		Duel.NegateRelatedChain(tc,RESET_TURN_SET)
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_DISABLE)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		local e2=Effect.CreateEffect(c)
		e2:SetType(EFFECT_TYPE_SINGLE)
		e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e2:SetCode(EFFECT_DISABLE_EFFECT)
		e2:SetValue(RESET_TURN_SET)
		e2:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e2)
		local e3=Effect.CreateEffect(c)
		e3:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e3:SetType(EFFECT_TYPE_SINGLE)
		e3:SetCode(EFFECT_SET_ATTACK_FINAL)
		e3:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
		e3:SetValue(0)
		tc:RegisterEffect(e3)
	end
end