--小人のいたずら
function c164710.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetHintTiming(0,TIMINGS_CHECK_MONSTER)
	e1:SetOperation(c164710.lvop)
	c:RegisterEffect(e1)
	--lv
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_FREE_CHAIN)
	e2:SetRange(LOCATION_GRAVE)
	e2:SetHintTiming(0,TIMINGS_CHECK_MONSTER)
	e2:SetCost(c164710.lvcost)
	e2:SetOperation(c164710.lvop)
	c:RegisterEffect(e2)
end
function c164710.lvcost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToRemoveAsCost() end
	Duel.Remove(e:GetHandler(),POS_FACEUP,REASON_COST)
end
function c164710.lvop(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	local hg=Duel.GetMatchingGroup(Card.IsLevelAbove,tp,LOCATION_HAND,LOCATION_HAND,nil,1)
	local tc=hg:GetFirst()
	while tc do
		local e1=Effect.CreateEffect(c)
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_LEVEL)
		e1:SetValue(-1)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD-RESET_TOFIELD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		tc=hg:GetNext()
	end
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_CONTINUOUS)
	e2:SetCode(EVENT_TO_HAND)
	e2:SetReset(RESET_PHASE+PHASE_END)
	e2:SetOperation(c164710.hlvop)
	Duel.RegisterEffect(e2,tp)
end
function c164710.hlvop(e,tp,eg,ep,ev,re,r,rp)
	local hg=eg:Filter(Card.IsLevelAbove,nil,1)
	local tc=hg:GetFirst()
	while tc do
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetCode(EFFECT_UPDATE_LEVEL)
		e1:SetValue(-1)
		e1:SetReset(RESET_EVENT+RESETS_STANDARD-RESET_TOFIELD+RESET_PHASE+PHASE_END)
		tc:RegisterEffect(e1)
		tc=hg:GetNext()
	end
end
