--Twin Big Shield
--fixed by MLD
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetCode(EVENT_SPSUMMON_SUCCESS)
	e1:SetCondition(s.condition)
	e1:SetTarget(aux.PersistentTarget(nil,0,nil))
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCode(EVENT_CHAIN_SOLVED)
	e2:SetLabelObject(e1)
	e2:SetCondition(aux.PersistentTgCon)
	e2:SetOperation(aux.PersistentTgOp(true))
	c:RegisterEffect(e2)
	--indes
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_FIELD)
	e3:SetCode(EFFECT_INDESTRUCTABLE_COUNT)
	e3:SetRange(LOCATION_SZONE)
	e3:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e3:SetTarget(s.tg)
	e3:SetCountLimit(2)
	e3:SetValue(1)
	c:RegisterEffect(e3)
	--Destroy
	local e4=Effect.CreateEffect(c)
	e4:SetType(EFFECT_TYPE_CONTINUOUS+EFFECT_TYPE_FIELD)
	e4:SetRange(LOCATION_SZONE)
	e4:SetCode(EVENT_LEAVE_FIELD)
	e4:SetCondition(s.descon)
	e4:SetOperation(s.desop)
	c:RegisterEffect(e4)
end
function s.tg(e,c)
	return e:GetHandler():IsHasCardTarget(c)
end
function s.condition(e,tp,eg,ev,ep,re,r,rp)
	return eg:IsExists(Card.IsControler,1,nil,1-tp)
end
function s.descon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsStatus(STATUS_DESTROY_CONFIRMED) then return false end
	local tc=c:GetFirstCardTarget()
	return tc and eg:IsContains(tc)
end
function s.desop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Destroy(e:GetHandler(), REASON_EFFECT)
end