--Dracosis Lavelerd
local s,id=GetID()
function s.initial_effect(c)
	--negate
	local e2=Effect.CreateEffect(c)
	e2:Desc(0)
	e2:SetCategory(CATEGORY_NEGATE)
	e2:SetType(EFFECT_TYPE_QUICK_O)
	e2:SetCode(EVENT_CHAINING)
	e2:SetProperty(EFFECT_FLAG_DAMAGE_STEP|EFFECT_FLAG_DAMAGE_CAL)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCondition(s.discon)
	e2:SetCost(s.discost)
	e2:SetTarget(s.distg)
	e2:SetOperation(s.disop)
	c:RegisterEffect(e2)
end
function s.discon(e,tp,eg,ep,ev,re,r,rp)
	local c=e:GetHandler()
	return not c:IsStatus(STATUS_BATTLE_DESTROYED) and rp==1-tp
		and (re:IsActiveType(TYPE_MONSTER) or (re:IsActiveType(TYPE_SPELL|TYPE_TRAP) and re:IsHasType(EFFECT_TYPE_ACTIVATE))) and Duel.IsChainNegatable(ev)
end
function s.discost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():IsAbleToDeckAsCost() end
	Duel.SendtoDeck(e:GetHandler(),nil,2,REASON_COST)
end
function s.distg(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
end
function s.disop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.NegateActivation(ev) and re:IsHasType(EFFECT_TYPE_ACTIVATE) and re:GetHandler():IsRelateToChain(ev) then
		Duel.SendtoGrave(eg,REASON_EFFECT)
	end
end