--マグネット・インダクション
--Magnet Induction
local s,id=GetID()
function s.initial_effect(c)
	--Special Summon 1 Level 4 or lower "Magnet Warrior" monster from your Deck with a different name than the cards you control
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(id,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_ACTIVATE)
	e1:SetCode(EVENT_FREE_CHAIN)
	e1:SetCountLimit(1,id,EFFECT_COUNT_CODE_OATH)
	e1:SetCondition(s.condition)
	e1:SetTarget(s.target)
	e1:SetOperation(s.activate)
	c:RegisterEffect(e1)
end
s.listed_series={SET_MAGNET_WARRIOR,SET_MAGNA_WARRIOR}
function s.cfilter(c)
	return c:IsFaceup() and c:IsSetCard(SET_MAGNET_WARRIOR) and c:GetOriginalLevel()<=4
end
function s.condition(e,tp,eg,ep,ev,re,r,rp)
	return Duel.IsExistingMatchingCard(s.cfilter,tp,LOCATION_MZONE,0,1,nil)
end
function s.filter(c,e,tp)
	return c:IsSetCard(SET_MAGNET_WARRIOR) and c:IsLevelBelow(4) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
		and not Duel.IsExistingMatchingCard(aux.FaceupFilter(Card.IsCode,c:GetCode()),tp,LOCATION_ONFIELD,0,1,nil)
end
function s.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
		and Duel.IsExistingMatchingCard(s.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function s.activate(e,tp,eg,ep,ev,re,r,rp)
	--"Magnet Warrior" and "Magna Warrior" monsters you control cannot be destroyed by battle or your opponent's card effects
	local e1=Effect.CreateEffect(e:GetHandler())
	e1:SetType(EFFECT_TYPE_FIELD)
	e1:SetProperty(EFFECT_FLAG_IGNORE_IMMUNE)
	e1:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e1:SetTargetRange(LOCATION_MZONE,0)
	e1:SetReset(RESET_PHASE|PHASE_END)
	e1:SetTarget(function(e,c) return c:IsSetCard({SET_MAGNET_WARRIOR,SET_MAGNA_WARRIOR}) end)
	e1:SetValue(1)
	Duel.RegisterEffect(e1,tp)
	local e2=e1:Clone()
	e2:SetCode(EFFECT_INDESTRUCTABLE_EFFECT)
	e2:SetValue(aux.indoval)
	Duel.RegisterEffect(e2,tp)
	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
	local g=Duel.SelectMatchingCard(tp,s.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	if #g>0 then
		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
	end
end
