name: Xyz
card_text: Target 1 Rank 4 or lower Xyz Monster in your GY; Special Summon it. Its Attribute becomes WATER. You can banish this card from your GY, then target 1 WATER Xyz Monster you control; Special Summon from your Extra Deck, 1 WATER Xyz Monster that is 1 Rank higher than that monster you control, by using it as material. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use 1 "Xyz Revive Splash" effect per turn, and only once that turn.
lua: local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e1:SetCountLimit(1, id)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--rank up
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e2:SetType(EFFECT_TYPE_QUICK_O)
  	e2:SetCode(EVENT_FREE_CHAIN)
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetRange(LOCATION_GRAVE)
  	e2:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e2:SetCountLimit(1, id)
  	e2:SetCost(aux.bfgcost)
  	e2:SetTarget(s.rktg)
  	e2:SetOperation(s.rkop)
  	c:RegisterEffect(e2)
  end
  function s.cfilter(c, e, tp)
  	return c:IsType(TYPE_XYZ) and c:IsRankBelow(4) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.cfilter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.cfilter, tp, LOCATION_GRAVE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  	local g = Duel.SelectTarget(tp, s.cfilter, 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)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) then
  		Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP)
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_CHANGE_ATTRIBUTE)
  		e1:SetValue(ATTRIBUTE_WATER)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1, true)
  	end
  end
  function s.rkfilter(c, e, tp)
  	return c:IsFaceup()
  		and c:IsAttribute(ATTRIBUTE_WATER)
  		and c:IsType(TYPE_XYZ)
  		and aux.MustMaterialCheck(c, tp, EFFECT_MUST_BE_XMATERIAL)
  		and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_EXTRA, 0, 1, nil, e, tp, c, c:GetRank())
  end
  function s.spfilter(c, e, tp, mc, rank)
  	return c:IsRank(rank + 1)
  		and c:IsAttribute(ATTRIBUTE_WATER)
  		and c:IsType(TYPE_XYZ)
  		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.rktg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and s.spfilter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.rkfilter, tp, LOCATION_MZONE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_TARGET)
  	local g = Duel.SelectTarget(tp, s.rkfilter, tp, LOCATION_MZONE, 0, 1, 1, nil, e, tp)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_EXTRA)
  end
  function s.rkop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if not aux.MustMaterialCheck(tc, tp, EFFECT_MUST_BE_XMATERIAL) or 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 g = Duel.SelectMatchingCard(tp, s.spfilter, tp, LOCATION_EXTRA, 0, 1, 1, nil, e, tp, tc, tc:GetRank())
  	local sc = g:GetFirst()
  	if sc then
  		local mg = tc:GetOverlayGroup()
  		if mg:GetCount() ~= 0 then
  			Duel.Overlay(sc, mg)
  		end
  		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
  
  
source_text: Xyz
  Target 1 Rank 4 or lower Xyz Monster in your GY; Special Summon it. Its Attribute becomes WATER. You can banish this card from your GY, then target 1 WATER Xyz Monster you control; Special Summon from your Extra Deck, 1 WATER Xyz Monster that is 1 Rank higher than that monster you control, by using it as material. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only use 1 "Xyz Revive Splash" effect per turn, and only once that turn.
target_text: -- Xyz
  local s, id, o = GetID()
  function s.initial_effect(c)
  	--activate
  	local e1 = Effect.CreateEffect(c)
  	e1:SetDescription(aux.Stringid(id, 0))
  	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e1:SetType(EFFECT_TYPE_ACTIVATE)
  	e1:SetCode(EVENT_FREE_CHAIN)
  	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e1:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e1:SetCountLimit(1, id)
  	e1:SetTarget(s.target)
  	e1:SetOperation(s.activate)
  	c:RegisterEffect(e1)
  	--rank up
  	local e2 = Effect.CreateEffect(c)
  	e2:SetDescription(aux.Stringid(id, 1))
  	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
  	e2:SetType(EFFECT_TYPE_QUICK_O)
  	e2:SetCode(EVENT_FREE_CHAIN)
  	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
  	e2:SetRange(LOCATION_GRAVE)
  	e2:SetHintTiming(0, TIMINGS_CHECK_MONSTER + TIMING_END_PHASE)
  	e2:SetCountLimit(1, id)
  	e2:SetCost(aux.bfgcost)
  	e2:SetTarget(s.rktg)
  	e2:SetOperation(s.rkop)
  	c:RegisterEffect(e2)
  end
  function s.cfilter(c, e, tp)
  	return c:IsType(TYPE_XYZ) and c:IsRankBelow(4) and c:IsCanBeSpecialSummoned(e, 0, tp, false, false)
  end
  function s.target(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.cfilter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.GetLocationCount(tp, LOCATION_MZONE) > 0 and Duel.IsExistingTarget(s.cfilter, tp, LOCATION_GRAVE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_SPSUMMON)
  	local g = Duel.SelectTarget(tp, s.cfilter, 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)
  	local tc = Duel.GetFirstTarget()
  	if tc:IsRelateToEffect(e) then
  		Duel.SpecialSummon(tc, 0, tp, tp, false, false, POS_FACEUP)
  		local e1 = Effect.CreateEffect(e:GetHandler())
  		e1:SetType(EFFECT_TYPE_SINGLE)
  		e1:SetCode(EFFECT_CHANGE_ATTRIBUTE)
  		e1:SetValue(ATTRIBUTE_WATER)
  		e1:SetReset(RESET_EVENT + RESETS_STANDARD)
  		tc:RegisterEffect(e1, true)
  	end
  end
  function s.rkfilter(c, e, tp)
  	return c:IsFaceup()
  		and c:IsAttribute(ATTRIBUTE_WATER)
  		and c:IsType(TYPE_XYZ)
  		and aux.MustMaterialCheck(c, tp, EFFECT_MUST_BE_XMATERIAL)
  		and Duel.IsExistingMatchingCard(s.spfilter, tp, LOCATION_EXTRA, 0, 1, nil, e, tp, c, c:GetRank())
  end
  function s.spfilter(c, e, tp, mc, rank)
  	return c:IsRank(rank + 1)
  		and c:IsAttribute(ATTRIBUTE_WATER)
  		and c:IsType(TYPE_XYZ)
  		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.rktg(e, tp, eg, ep, ev, re, r, rp, chk, chkc)
  	if chkc then
  		return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_MZONE) and s.spfilter(chkc, e, tp)
  	end
  	if chk == 0 then
  		return Duel.IsExistingTarget(s.rkfilter, tp, LOCATION_MZONE, 0, 1, nil, e, tp)
  	end
  	Duel.Hint(HINT_SELECTMSG, tp, HINTMSG_TARGET)
  	local g = Duel.SelectTarget(tp, s.rkfilter, tp, LOCATION_MZONE, 0, 1, 1, nil, e, tp)
  	Duel.SetOperationInfo(0, CATEGORY_SPECIAL_SUMMON, nil, 1, tp, LOCATION_EXTRA)
  end
  function s.rkop(e, tp, eg, ep, ev, re, r, rp)
  	local tc = Duel.GetFirstTarget()
  	if not aux.MustMaterialCheck(tc, tp, EFFECT_MUST_BE_XMATERIAL) or 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 g = Duel.SelectMatchingCard(tp, s.spfilter, tp, LOCATION_EXTRA, 0, 1, 1, nil, e, tp, tc, tc:GetRank())
  	local sc = g:GetFirst()
  	if sc then
  		local mg = tc:GetOverlayGroup()
  		if mg:GetCount() ~= 0 then
  			Duel.Overlay(sc, mg)
  		end
  		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
  
  