fix

c53143898.lua

@@ -72,7 +72,8 @@ function c53143898.spop(e,tp,eg,ep,ev,re,r,rp)
 	local tc1,tc2=Duel.GetFirstTarget()
 	if tc1~=e:GetLabelObject() then tc1,tc2=tc2,tc1 end
 	if tc1:IsRelateToEffect(e) and Duel.SendtoGrave(tc1,REASON_EFFECT)>0
-		and tc1:IsLocation(LOCATION_GRAVE) and tc2:IsRelateToEffect(e) then
+		and tc1:IsLocation(LOCATION_GRAVE) and tc2:IsRelateToEffect(e)
+		and aux.NecroValleyFilter()(tc2) then
 		Duel.SpecialSummon(tc2,0,tp,tp,false,false,POS_FACEUP)
 	end
 end

utility.lua

@@ -2101,7 +2101,7 @@ end
 --filter for necro_valley test
 function Auxiliary.NecroValleyFilter(f)
 	return	function(target,...)
-				return f(target,...) and not (target:IsHasEffect(EFFECT_NECRO_VALLEY) and Duel.IsChainDisablable(0))
+				return (not f or f(target,...)) and not (target:IsHasEffect(EFFECT_NECRO_VALLEY) and Duel.IsChainDisablable(0))
 			end
 end
 --shortcut for self-banish costs