local cm,m=GetID()
local list={120294001}
cm.name="复活点背板攻略"
function cm.initial_effect(c)
	RD.AddCodeList(c,list)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON+CATEGORY_GRAVE_SPSUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_DESTROYED)
	e1:SetProperty(EFFECT_FLAG_DAMAGE_STEP)
	e1:SetCondition(cm.condition)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
end
--Activate
function cm.confilter(c,tp,rp)
	return c:IsPreviousControler(tp) and c:IsPreviousLocation(LOCATION_MZONE)
		and ((rp==1-tp and c:IsReason(REASON_EFFECT)) or c==Duel.GetAttackTarget())
end
function cm.spfilter(c,e,tp)
	return (c:IsCode(list[1])
		or (c:IsType(TYPE_FUSION) and c:IsLevel(4) and c:IsRace(RACE_MACHINE) and RD.IsDefense(c,800)))
		and RD.IsCanBeSpecialSummoned(c,e,tp,POS_FACEUP)
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	return eg:IsExists(cm.confilter,1,nil,tp,rp)
end
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetMZoneCount(tp)>0
		and Duel.IsExistingMatchingCard(cm.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_GRAVE)
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	if RD.SelectAndSpecialSummon(aux.NecroValleyFilter(cm.spfilter),tp,LOCATION_GRAVE,0,1,1,nil,e,POS_FACEUP)~=0 then
		RD.CanSelectAndDoAction(aux.Stringid(m,1),HINTMSG_DESTROY,nil,tp,0,LOCATION_ONFIELD,1,1,nil,function(g)
			Duel.BreakEffect()
			Duel.Destroy(g,REASON_EFFECT)
		end)
	end
end