--シャーク・フォートレス
function c50449881.initial_effect(c)
	--xyz summon
	aux.AddXyzProcedure(c,aux.XyzFilterFunction(c,5),2)
	c:EnableReviveLimit()
	--spsummon
	local e1=Effect.CreateEffect(c)
	e1:SetDescription(aux.Stringid(50449881,0))
	e1:SetProperty(EFFECT_FLAG_CARD_TARGET)
	e1:SetType(EFFECT_TYPE_IGNITION)
	e1:SetCountLimit(1)
	e1:SetRange(LOCATION_MZONE)
	e1:SetCost(c50449881.cost)
	e1:SetTarget(c50449881.target)
	e1:SetOperation(c50449881.operation)
	c:RegisterEffect(e1)
	--atk limit
	local e2=Effect.CreateEffect(c)
	e2:SetType(EFFECT_TYPE_FIELD)
	e2:SetRange(LOCATION_MZONE)
	e2:SetTargetRange(LOCATION_MZONE,0)
	e2:SetProperty(EFFECT_FLAG_SET_AVAILABLE)
	e2:SetCode(EFFECT_CANNOT_BE_BATTLE_TARGET)
	e2:SetTarget(c50449881.atlimit)
	e2:SetValue(1)
	c:RegisterEffect(e2)
end
function c50449881.cost(e,tp,eg,ep,ev,re,r,rp,chk)
	if chk==0 then return e:GetHandler():CheckRemoveOverlayCard(tp,1,REASON_COST) end
	e:GetHandler():RemoveOverlayCard(tp,1,1,REASON_COST)
end
function c50449881.filter(c)
	return c:IsFaceup() and not c:IsHasEffect(EFFECT_EXTRA_ATTACK)
end
function c50449881.target(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
	if chkc then return chkc:IsLocation(LOCATION_MZONE) and chkc:IsControler(tp) and c50449881.filter(chkc) end
	if chk==0 then return Duel.IsExistingTarget(c50449881.filter,tp,LOCATION_MZONE,0,1,nil) end
	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_FACEUP)
	local g=Duel.SelectTarget(tp,c50449881.filter,tp,LOCATION_MZONE,0,1,1,nil)
end
function c50449881.operation(e,tp,eg,ep,ev,re,r,rp)
	local tc=Duel.GetFirstTarget()
	if tc and tc:IsFaceup() and tc:IsRelateToEffect(e) then
		local e1=Effect.CreateEffect(e:GetHandler())
		e1:SetType(EFFECT_TYPE_SINGLE)
		e1:SetProperty(EFFECT_FLAG_CANNOT_DISABLE)
		e1:SetCode(EFFECT_EXTRA_ATTACK)
		e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+RESET_END)
		e1:SetValue(1)
		tc:RegisterEffect(e1)
	end
end
function c50449881.atlimit(e,c)
	return c~=e:GetHandler()
end
