--リターン・リスク・リザーバー
--Return Risk Reservoir
--Scripted by Larry126
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetTurnPlayer()~=tp and (Duel.GetCurrentPhase()>=PHASE_BATTLE_START and Duel.GetCurrentPhase()<=PHASE_BATTLE)
end
function s.filter(c,e,tp)
	return c:GetLevel()==1 and c:IsCanBeSpecialSummoned(e,0,tp,false,false,POS_FACEUP_ATTACK)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:GetLocation()==LOCATION_GRAVE and chkc:GetControler()==tp and s.filter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.filter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.filter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsRelateToEffect(e) and Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP_ATTACK)~=0 then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_CONTINUOUS)
		e1:SetCode(EVENT_LEAVE_FIELD)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_IGNORE_IMMUNE)
		e1:SetOperation(s.drop)
		e1:SetReset(RESET_EVENT+RESET_TOFIELD+RESET_TURN_SET+RESET_OVERLAY)
		tc:RegisterEffect(e1)
	end
end
function s.drop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Draw(tp,1,REASON_EFFECT)
	e:Reset()
end