--巌征竜－レドックス
--Redox, Dragon Ruler of Boulders
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon this card from the hand or GY
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_HAND|LOCATION_GRAVE)
	e1:SetCountLimit(1,id)
	e1:SetCost(s.hspcost)
	e1:SetTarget(s.hsptg)
	e1:SetOperation(s.hspop)
	c:RegisterEffect(e1)
	--Return this card to the hand
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_TOHAND)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCode(EVENT_PHASE+PHASE_END)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.retcon)
	e2:SetTarget(s.rettg)
	e2:SetOperation(s.retop)
	c:RegisterEffect(e2)
	--Special Summon 1 monster from the GY
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,2))
	e3:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e3:SetType(EFFECT_TYPE_IGNITION)
	e3:SetRange(LOCATION_HAND)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetCountLimit(1,id)
	e3:SetCost(s.spcost)
	e3:SetTarget(s.sptg)
	e3:SetOperation(s.spop)
	c:RegisterEffect(e3,false,REGISTER_FLAG_DRAGON_RULER)
	--Add 1 EARTH Dragon-Type monster from your Deck to your hand
	local e4=Effect.CreateEffect(c)
	e4:SetDescription(aux.Stringid(id,3))
	e4:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
	e4:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_O)
	e4:SetProperty(EFFECT_FLAG_DELAY)
	e4:SetCode(EVENT_REMOVE)
	e4:SetCountLimit(1,id)
	e4:SetTarget(s.thtg)
	e4:SetOperation(s.thop)
	c:RegisterEffect(e4)
end
function s.rfilter(c)
	return (c:IsRace(RACE_DRAGON) or c:IsAttribute(ATTRIBUTE_EARTH)) and c:IsAbleToRemoveAsCost() 
		and (c:IsLocation(LOCATION_HAND) or aux.SpElimFilter(c,true))
end
function s.hspcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local rg=Duel.GetMatchingGroup(s.rfilter,tp,LOCATION_HAND|LOCATION_MZONE|LOCATION_GRAVE,0,e:GetHandler())
	if chk==0 then return #rg>1 and aux.SelectUnselectGroup(rg,e,tp,2,2,aux.ChkfMMZ(1),0) end
	local g=aux.SelectUnselectGroup(rg,e,tp,2,2,aux.ChkfMMZ(1),1,tp,HINTMSG_REMOVE)
	Duel.Remove(g,POS_FACEUP,REASON_COST)
end
function s.hsptg(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsCanBeSpecialSummoned(e,0,tp,false,false) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,c,1,tp,0)
end
function s.hspop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) then
		Duel.SpecialSummon(c,0,tp,tp,false,false,POS_FACEUP)
	end
end
function s.retcon(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsTurnPlayer(1-tp) and e:GetHandler():IsSpecialSummoned()
end
function s.rettg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,e:GetHandler(),1,tp,0)
end
function s.retop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	if c:IsRelateToEffect(e) and c:IsFaceup() then
		Duel.SendtoHand(c,nil,REASON_EFFECT)
	end
end
function s.dfilter(c)
	return c:IsAttribute(ATTRIBUTE_EARTH) and c:IsDiscardable() and c:IsAbleToGraveAsCost()
end
function s.spcost(e,tp,eg,ep,ev,re,r,rp,chk)
	local c=e:GetHandler()
	if chk==0 then return c:IsDiscardable() and c:IsAbleToGraveAsCost()
		and Duel.IsExistingMatchingCard(s.dfilter,tp,LOCATION_HAND,0,1,c) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DISCARD)
	local g=Duel.SelectMatchingCard(tp,s.dfilter,tp,LOCATION_HAND,0,1,1,c)
	g:AddCard(e:GetHandler())
	Duel.SendtoGrave(g,REASON_COST|REASON_DISCARD)
end
function s.spfilter(c,e,tp)
	return c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsControler(tp) and chkc:IsLocation(LOCATION_GRAVE) and s.spfilter(chkc,e,tp) end
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,nil,e,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,tp,0)
end
function s.spop(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)
	end
end
function s.thfilter(c)
	return c:IsRace(RACE_DRAGON) and c:IsAttribute(ATTRIBUTE_EARTH) and c:IsAbleToHand()
end
function s.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.thfilter,tp,LOCATION_DECK,0,1,nil) end
	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
end
function s.thop(e,tp,eg,ep,ev,re,r,rp)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_ATOHAND)
	local g=Duel.SelectMatchingCard(tp,s.thfilter,tp,LOCATION_DECK,0,1,1,nil)
	if #g>0 then
		Duel.SendtoHand(g,nil,REASON_EFFECT)
		Duel.ConfirmCards(1-tp,g)
	end
end