--神星なる因子
--Stellarnova Alpha
local s,id=GetID()
function s.initial_effect(c)
	--Activate
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_NEGATE+CATEGORY_DESTROY+CATEGORY_DRAW)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_CHAINING)
	e1:SetCondition(s.condition)
	e1:SetCost(s.cost)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_TELLARKNIGHT}
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return (re:IsMonsterEffect() or re:IsHasType(EFFECT_TYPE_ACTIVATE)) and Duel.IsChainNegatable(ev)
end
function s.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(SET_TELLARKNIGHT) and c:IsAbleToGraveAsCost() and not c:IsStatus(STATUS_BATTLE_DESTROYED)
end
function s.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_TOGRAVE)
	local g=Duel.SelectMatchingCard(tp,s.cfilter,tp,LOCATION_MZONE,0,1,1,nil)
	Duel.SendtoGrave(g,REASON_COST)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsPlayerCanDraw(tp,1) end
	Duel.SetOperationInfo(0,CATEGORY_NEGATE,eg,1,0,0)
	if re:GetHandler():IsDestructable() and re:GetHandler():IsRelateToEffect(re) then
		Duel.SetOperationInfo(0,CATEGORY_DESTROY,eg,1,0,0)
		Duel.SetOperationInfo(0,CATEGORY_DRAW,nil,0,tp,1)
	end
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	if not Duel.NegateActivation(ev) then return end
	if re:GetHandler():IsRelateToEffect(re) and Duel.Destroy(eg,REASON_EFFECT)~=0 then
		Duel.BreakEffect()
		Duel.Draw(tp,1,REASON_EFFECT)
	end
end