local m=120253010
local cm=_G["c"..m]
cm.name="暗冥格斗龙兽"
function cm.initial_effect(c)
	--Position
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(m,0))
	e1:SetCategory(CATEGORY_POSITION)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCost(cm.cost)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.operation)
	c:RegisterEffect(e1)
end
--Position
function cm.costfilter(c)
	return c:IsRace(RACE_WYRM) and c:IsAbleToDeckOrExtraAsCost()
end
function cm.posfilter(c)
	return c:IsFaceup() and c:IsLevelBelow(9) and RD.IsCanChangePosition(c) and c:IsCanTurnSet()
end
cm.cost=RD.CostSendGraveToDeck(cm.costfilter,2,2)
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(cm.posfilter,tp,0,LOCATION_MZONE,1,nil) end
	local g=Duel.GetMatchingGroup(cm.posfilter,tp,0,LOCATION_MZONE,nil)
	Duel.SetOperationInfo(0,CATEGORY_POSITION,g,1,0,0)
end
function cm.operation(e,tp,eg,ep,ev,re,r,rp)
	RD.SelectAndDoAction(HINTMSG_SET,cm.posfilter,tp,0,LOCATION_MZONE,1,1,nil,function(g)
		if RD.ChangePosition(g,POS_FACEDOWN_DEFENSE)~=0 then
			Duel.BreakEffect()
			Duel.ConfirmDecktop(1-tp,3)
			Duel.SortDecktop(1-tp,1-tp,3)
		end
	end)
end