--暗黒の瘴気
--Dark Smog
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMING_END_PHASE)
	c:RegisterEffect(e1)
	--remove
	local e2=Effect.CreateEffect(c)
	e2:SetDescription(aux.Stringid(id,1))
	e2:SetCategory(CATEGORY_REMOVE)
	e2:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetRange(LOCATION_SZONE)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetCountLimit(1)
	e2:SetHintTiming(0,TIMING_END_PHASE)
	e2:SetTarget(s.rmtg)
	e2:SetOperation(s.rmop)
	c:RegisterEffect(e2)
end
function s.cfilter(c)
	return c:IsRace(RACE_FIEND) and c:IsDiscardable()
end
function s.rfilter(c)
	return c:IsMonster() and c:IsAbleToRemove() and aux.SpElimFilter(c)
end
function s.rmtg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE|LOCATION_GRAVE) and chkc:IsControler(1-tp) and s.rfilter(chkc) end
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_HAND,0,1,nil)
		and Duel.IsExistingTarget(s.rfilter,tp,0,LOCATION_MZONE|LOCATION_GRAVE,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_REMOVE)
	local g=Duel.SelectTarget(tp,s.rfilter,tp,0,LOCATION_MZONE|LOCATION_GRAVE,1,1,nil)
	Duel.SetOperationInfo(0,CATEGORY_HANDES,nil,0,tp,1)
	Duel.SetOperationInfo(0,CATEGORY_REMOVE,g,1,0,0)
end
function s.rmop(e,tp,eg,ep,ev,re,r,rp)
	if not e:GetHandler():IsRelateToEffect(e) then return end
	local tc=Duel.GetFirstTarget()
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DISCARD)
	local cg=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_HAND,0,1,1,nil)
	if #cg==0 then return end
	Duel.SendtoGrave(cg,REASON_EFFECT|REASON_DISCARD)
	if tc and tc:IsRelateToEffect(e) then
		Duel.Remove(tc,POS_FACEUP,REASON_EFFECT)
	end
end