--イレカエル
---@param c Card
function c20663556.initial_effect(c)
	--Special Summon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(20663556,0))
	e1:SetCategory(CATEGORY_SPECIAL_SUMMON)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCost(c20663556.cost)
	e1:SetTarget(c20663556.target)
	e1:SetOperation(c20663556.operation)
	c:RegisterEffect(e1)
	--battle indestructable
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetCode(EFFECT_INDESTRUCTABLE_BATTLE)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTargetRange(LOCATION_MZONE,LOCATION_MZONE)
	e2:SetTarget(c20663556.indes)
	e2:SetValue(1)
	c:RegisterEffect(e2)
end
function c20663556.indes(e,c)
	return c:IsSetCard(0x12)
end
function c20663556.cfilter(c,ft,tp)
	return ft>0 or (c:IsControler(tp) and c:GetSequence()<5)
end
function c20663556.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	local ft=Duel.GetLocationCount(tp,LOCATION_MZONE)
	if chk==0 then return ft>-1 and Duel.CheckReleaseGroup(tp,c20663556.cfilter,1,nil,ft,tp) end
	local g=Duel.SelectReleaseGroup(tp,c20663556.cfilter,1,1,nil,ft,tp)
	Duel.Release(g,REASON_COST)
end
function c20663556.filter(c,e,tp)
	return c:IsSetCard(0x12) and c:IsCanBeSpecialSummoned(e,0,tp,false,false)
end
function c20663556.target(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return Duel.IsExistingMatchingCard(c20663556.filter,tp,LOCATION_DECK,0,1,nil,e,tp) end
	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,tp,LOCATION_DECK)
end
function c20663556.operation(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,c20663556.filter,tp,LOCATION_DECK,0,1,1,nil,e,tp)
	Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
end
