--created by Eaden, coded by Lyris
local s,id=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e1:SetCost(s.cost)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_ACTIVATE)
	e2:SetCode(EVENT_BATTLED)
	e2:SetCountLimit(1,id+EFFECT_COUNT_CODE_OATH)
	e2:SetCondition(s.condition)
	e2:SetTarget(s.target)
	e2:SetOperation(s.operation)
	c:RegisterEffect(e2)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsDiscardable,tp,LOCATION_HAND,0,1,nil) end
	Duel.DiscardHand(tp,Card.IsDiscardable,1,1,REASON_COST)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local e2=Effect.CreateEffect(e:GetHandler())
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_CHAINING)
	e2:SetOperation(s.chainop)
	e2:SetReset(RESET_PHASE+PHASE_END)
	Duel.RegisterEffect(e2,tp)
end
function s.chainop(e,tp,eg,ep,ev,re,r,rp)
	if re:IsActiveType(TYPE_MONSTER) and re:GetHandler():IsSetCard(0xead) then
		Duel.SetChainLimit(function(e,rpr,p) return p==rpr end)
	end
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetAttacker()
	local bc=tc:GetBattleTarget()
	if tc:IsType(TYPE_XYZ) and tc:IsSetCard(0x2ead) and tc:IsControler(tp) and tc:IsStatus(STATUS_OPPO_BATTLE) and bc and bc:IsStatus(STATUS_BATTLE_DESTROYED) then
		e:SetLabelObject(tc)
		return true
	elseif bc and bc:IsType(TYPE_XYZ) and bc:IsSetCard(0x2ead) and bc:IsControler(tp) and bc:IsStatus(STATUS_OPPO_BATTLE) and tc:IsStatus(STATUS_BATTLE_DESTROYED) then
		e:SetLabelObject(bc)
		return true
	else return false end
end
function s.filter(c,e,tp,mc)
	return c:IsRank(mc:GetRank()+2) and c:IsSetCard(0x2ead) and mc:IsCanBeXyzMaterial(c)
		and c:IsCanBeSpecialSummoned(e,SUMMON_TYPE_XYZ,tp,false,false) and Duel.GetLocationCountFromEx(tp,tp,mc,c)>0
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	local tc=e:GetLabelObject()
	if chk==0 then return aux.MustMaterialCheck(tc,tp,EFFECT_MUST_BE_XMATERIAL)
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_EXTRA,0,1,nil,e,tp,tc) end
	Duel.SetTargetCard(tc)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_EXTRA)
end
function s.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if not aux.MustMaterialCheck(tc,tp,EFFECT_MUST_BE_XMATERIAL) then return end
	if tc:IsFacedown() or not tc:IsRelateToEffect(e) or tc:IsControler(1-tp) or tc:IsImmuneToEffect(e) then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local sc=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_EXTRA,0,1,1,nil,e,tp,tc):GetFirst()
	if sc then
		Duel.Overlay(sc,tc:GetOverlayGroup())
		sc:SetMaterial(Group.FromCards(tc))
		Duel.Overlay(sc,Group.FromCards(tc))
		Duel.SpecialSummon(sc,SUMMON_TYPE_XYZ,tp,tp,false,false,POS_FACEUP)
		sc:CompleteProcedure()
	end
end