fix ワイトロード (#2490)

c22970795.lua

@@ -59,7 +59,8 @@ function s.spfilter(c,e,tp)
 end
 function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk,chkc)
 	if chkc then return chkc:IsLocation(LOCATION_GRAVE) and chkc:IsControler(tp) and s.spfilter(chkc) end
-	if chk==0 then return Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,e:GetHandler(),e,tp) end
+	if chk==0 then return Duel.GetLocationCount(tp,LOCATION_MZONE)>0
+		and Duel.IsExistingTarget(s.spfilter,tp,LOCATION_GRAVE,0,1,e:GetHandler(),e,tp) end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_SPSUMMON)
 	local g=Duel.SelectTarget(tp,s.spfilter,tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
 	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,g,1,0,0)
@@ -69,4 +70,4 @@ function s.spop(e,tp,eg,ep,ev,re,r,rp)
 	if tc:IsRelateToEffect(e) then
 		Duel.SpecialSummon(tc,0,tp,tp,false,false,POS_FACEUP)
 	end
-end
+end
\ No newline at end of file