--Heavy Mechanical Invaders
--scripted by Rawstone
local s,id=GetID()
function s.initial_effect(c)
	--link summon
	aux.AddLinkProcedure(c,s.mfilter,2,2)
	c:EnableReviveLimit()
	--destroy
	local e1=Effect.CreateEffect(c)
	e1:SetCategory(CATEGORY_DESTROY)
	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
	e1:SetCode(EVENT_DAMAGE_STEP_END)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCondition(s.spcon1)
	e1:SetOperation(s.spop1)
	c:RegisterEffect(e1)
	--Sp from Deck
	local e2=Effect.CreateEffect(c)
	e2:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e2:SetDescription(aux.Stringid(id,0))
	e2:SetType(EFFECT_TYPE_IGNITION)
	e2:SetRange(LOCATION_MZONE)
	e2:SetCountLimit(1,id)
	e2:SetCondition(s.cond1)
	e2:SetTarget(s.trg1)
	e2:SetOperation(s.spop)
	c:RegisterEffect(e2)
	--Destroy2
	local e3=Effect.CreateEffect(c)
	e3:SetDescription(aux.Stringid(id,1))
	e3:SetCategory(CATEGORY_DESTROY)
	e3:SetType(EFFECT_TYPE_QUICK_O)
	e3:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e3:SetRange(LOCATION_MZONE)
	e3:SetCode(EVENT_FREE_CHAIN)
	e3:SetCountLimit(1,id+200)
	e3:SetTarget(s.destg)
	e3:SetOperation(s.desop)
	c:RegisterEffect(e3)
end
	function s.mfilter(c)
	return c:IsLinkAttribute(ATTRIBUTE_DARK) and c:IsLinkRace(RACE_MACHINE)
end
	function s.spcon1(e,tp,eg,ep,ev,re,r,rp)
	local a=Duel.GetAttacker()
	local b=a:GetBattleTarget()
	if not b then return end
		if b:IsControler(tp) then
		e:SetLabelObject(a)
		return b:IsRace(RACE_MACHINE) and b:IsAttribute(ATTRIBUTE_DARK) and a:IsRelateToBattle() and a:IsLocation(LOCATION_MZONE)
	elseif a:IsControler(tp) then
		e:SetLabelObject(b)
		return a:IsRace(RACE_MACHINE) and a:IsAttribute(ATTRIBUTE_DARK) and b:IsRelateToBattle() and b:IsLocation(LOCATION_MZONE)
	end
	return false
end
	function s.spop1(e,tp,eg,ep,ev,re,r,rp)
	local tc=e:GetLabelObject()
		if tc:IsRelateToBattle() then
		Duel.Destroy(tc,REASON_EFFECT)
	end
end
	function s.filter(c)
	return c:IsCode(03113667) and c:IsFaceup()
end
	function s.spfilter(c,e,tp)
	return c:IsAttribute(ATTRIBUTE_DARK) and c:IsRace(RACE_MACHINE) and c:IsLevelAbove(6) and c:IsCanBeSpecialSummoned(e,0,tp,false,false) and c:IsType(TYPE_MONSTER)
end
	function s.cond1(e,tp,eg,ep,ev,re,r,rp)
	local cf=Duel.GetFieldCard(tp,LOCATION_SZONE,5)
	return (cf and s.filter(cf))
end
	function s.trg1(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and Duel.IsExistingMatchingCard(s.spfilter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
	function s.spop(e,tp,eg,ep,ev,re,r,rp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.spfilter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	local tc=g:GetFirst()
		if tc then
		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
	end
end
	function s.desfilter(c)
	return c:IsFaceup() and c:IsRace(RACE_MACHINE) and c:IsAttribute(ATTRIBUTE_DARK)
end
	function s.destg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return false end
	if chk==0 then return Duel.IsExistingTarget(s.desfilter,tp,LOCATION_MZONE,0,1,nil)
		and Duel.IsExistingTarget(Card.IsFacedown,tp,0,LOCATION_ONFIELD,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g1=Duel.SelectTarget(tp,s.desfilter,tp,LOCATION_MZONE,0,1,1,nil)
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_DESTROY)
	local g2=Duel.SelectTarget(tp,Card.IsFacedown,tp,0,LOCATION_ONFIELD,1,1,nil)
	g1:Merge(g2)
	Duel.SetOperationInfo(0,CATEGORY_DESTROY,g1,2,0,0)
end
	function s.desop(e,tp,eg,ep,ev,re,r,rp)
	local g=Duel.GetChainInfo(0,CHAININFO_TARGET_CARDS)
	local tg=g:Filter(Card.IsRelateToEffect,nil,e)
	if tg:GetCount()>0 then
		Duel.Destroy(tg,REASON_EFFECT)
	end
end