local cm,m=GetID()
cm.name="帝王的凯歌"
function cm.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DRAW+CATEGORY_TODECK+CATEGORY_GRAVE_ACTION)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
	e1:SetCondition(cm.condition)
	e1:SetCost(cm.cost)
	e1:SetTarget(cm.target)
	e1:SetOperation(cm.activate)
	c:RegisterEffect(e1)
end
--Activate
function cm.costfilter(c)
	return c:IsAttack(2000,2400) and RD.IsDefense(c,1000) and c:IsAbleToGraveAsCost()
end
function cm.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.GetFieldGroupCount(tp,LOCATION_EXTRA,0)==0
end
cm.cost=RD.CostSendHandToGrave(cm.costfilter,1,1)
function cm.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,2) end
	RD.TargetDraw(tp,2)
end
function cm.activate(e,tp,eg,ep,ev,re,r,rp)
	if RD.Draw()~=0 then
		RD.CanSelectAndDoAction(aux.Stringid(m,1),HINTMSG_TODECK,aux.NecroValleyFilter(Card.IsAbleToDeck),tp,0,LOCATION_GRAVE,1,2,nil,function(g)
			Duel.BreakEffect()
			RD.SendToDeckAndExists(g,e,tp,REASON_EFFECT)
		end)
	end
end