--created & coded by Lyris, art from Shadowverse's "Whitescale Dragon"
--ナイトブレイカー・ドラゴン
local s,id,o=GetID()
function s.initial_effect(c)
	local e1=Effect.CreateEffect(c)
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetCode(EFFECT_SPSUMMON_PROC)
	e1:SetProperty(EFFECT_FLAG_UNCOPYABLE)
	e1:SetRange(LOCATION_HAND)
	e1:SetCondition(s.spcon)
	e1:SetValue(1)
	c:RegisterEffect(e1)
	local e3=Effect.CreateEffect(c)
	e3:SetType(EFFECT_TYPE_SINGLE+EFFECT_TYPE_TRIGGER_F)
	e3:SetCode(EVENT_SPSUMMON_SUCCESS)
	e3:SetCategory(CATEGORY_DESTROY)
	e3:SetCondition(function(e) return e:GetHandler():IsSummonType(SUMMON_TYPE_SPECIAL+1) end)
	e3:SetTarget(s.target)
	e3:SetOperation(s.activate)
	c:RegisterEffect(e3)
end
function s.spcon(e,c)
	if c==nil then return true end
	local tp=c:GetControler()
	return Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and Duel.IsExistingMatchingCard(Card.IsFaceup,tp,LOCATION_ONFIELD,LOCATION_ONFIELD,5,nil)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return true end
	local g=Duel.GetMatchingGroup(Card.IsSummonType,tp,LOCATION_MZONE,LOCATION_MZONE,e:GetHandler(),SUMMON_TYPE_SPECIAL)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g,#g,0,0)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetMatchingGroup(Card.IsSummonType,tp,LOCATION_MZONE,LOCATION_MZONE,e:GetHandler(),SUMMON_TYPE_SPECIAL)
	Duel.Destroy(g,REASON_EFFECT)
end