local cm,m=GetID()
cm.name="龙力重压"
function cm.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY+CATEGORY_SPECIAL_SUMMON+CATEGORY_GRAVE_SPSUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCost(cm.cost)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
end
--Activate
function cm.costfilter(c)
	return c:IsRace(RACE_DRAGON) and c:IsAbleToGraveAsCost()
end
function cm.spfilter(c,e,tp)
	return c:IsLevelBelow(4) and c:IsRace(RACE_DRAGON) and RD.IsCanBeSpecialSummoned(c,e,tp,POS_FACEUP_DEFENSE)
end
cm.cost=RD.CostSendHandToGrave(cm.costfilter,3,3)
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(nil,tp,LOCATION_MZONE,LOCATION_MZONE,1,nil) end
	local g=Duel.GetMatchingGroup(nil,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,g:GetCount(),0,0)
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(nil,tp,LOCATION_MZONE,LOCATION_MZONE,nil)
	if Duel.Destroy(g,REASON_EFFECT)~=0 then
		RD.CanSelectAndSpecialSummon(aux.Stringid(m,1),aux.NecroValleyFilter(cm.spfilter),tp,LOCATION_GRAVE,0,1,1,nil,e,POS_FACEUP_DEFENCE,false)
	end
end