--ヤモイモリ
---@param c Card
function c51474037.initial_effect(c)
	--change / destroy
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetRange(LOCATION_GRAVE)
	e1:SetCountLimit(1,51474037)
	e1:SetCost(aux.bfgcost)
	e1:SetTarget(c51474037.target)
	e1:SetOperation(c51474037.activate)
	c:RegisterEffect(e1)
end
function c51474037.filter1(c,tp)
	return c:IsFaceup() and c:IsRace(RACE_REPTILE)
		and Duel.IsExistingTarget(c51474037.filter2,tp,0,LOCATION_MZONE,1,nil,c:IsCanTurnSet())
end
function c51474037.filter2(c,check)
	return c:IsFaceup() and (check and c:IsCanTurnSet() or c:GetAttack()>0)
end
function c51474037.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chk==0 then return Duel.IsExistingTarget(c51474037.filter1,tp,LOCATION_MZONE,0,1,nil,tp) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g1=Duel.SelectTarget(tp,c51474037.filter1,tp,LOCATION_MZONE,0,1,1,nil,tp)
	local tc1=g1:GetFirst()
	local check=tc1:IsCanTurnSet()
	e:SetLabelObject(tc1)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TARGET)
	local g2=Duel.SelectTarget(tp,c51474037.filter2,tp,0,LOCATION_MZONE,1,1,nil,check)
	local sel
	local tc2=g2:GetFirst()
	if tc2:IsAttack(0) then
		sel=Duel.SelectOption(tp,aux.Stringid(51474037,0))
	elseif not (check and tc2:IsCanTurnSet()) then
		sel=Duel.SelectOption(tp,aux.Stringid(51474037,1))+1
	else
		sel=Duel.SelectOption(tp,aux.Stringid(51474037,0),aux.Stringid(51474037,1))
	end
	e:SetLabel(sel)
	if sel==0 then
		e:SetCategory(CATEGORY_POSITION)
		g1:Merge(g2)
		Duel.SetOperationInfo(0,CATEGORY_POSITION,g1,1,0,0)
	else
		e:SetCategory(CATEGORY_DESTROY)
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,g1,1,0,0)
	end
end
function c51474037.activate(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local sel=e:GetLabel()
	if sel==0 then
		local tg=g:Filter(Card.IsRelateToEffect,nil,e)
		Duel.ChangePosition(tg,POS_FACEDOWN_DEFENSE)
	else
		local tc1=e:GetLabelObject()
		local tc2=g:GetFirst()
		if tc2==tc1 then tc2=g:GetNext() end
		if tc1:IsRelateToEffect(e) and Duel.Destroy(tc1,REASON_EFFECT)~=0 and tc2 and tc2:IsRelateToEffect(e) then
			local e1=Effect.CreateEffect(e:GetHandler())
			e1:SetType(EFFECT_TYPE_SINGLE)
			e1:SetCode(EFFECT_SET_ATTACK_FINAL)
			e1:SetValue(0)
			e1:SetReset(RESET_EVENT+RESETS_STANDARD+RESET_PHASE+PHASE_END)
			tc2:RegisterEffect(e1)
		end
	end
end
