Merge remote-tracking branch 'upstream/AGOV-EN' into master

c87676171.lua

@@ -90,8 +90,9 @@ function s.sptg(e,tp,eg,ep,ev,re,r,rp,chk)
 	Duel.SetOperationInfo(0,CATEGORY_SPECIAL_SUMMON,nil,1,0,0)
 end
 function s.spop(e,tp,eg,ep,ev,re,r,rp)
+	if Duel.GetLocationCount(tp,LOCATION_MZONE)<=0 then return end
 	local g=Duel.SelectMatchingCard(tp,aux.NecroValleyFilter(s.spfilter),tp,LOCATION_GRAVE,0,1,1,nil,e,tp)
-	if Duel.GetLocationCount(tp,LOCATION_MZONE)>0 and #g>0 then
+	if #g>0 then
 		Duel.SpecialSummon(g,0,tp,tp,false,false,POS_FACEUP)
 	end
 end