Update c50474354.lua

Fix: Now can not activate if you use Non-Bujin cards and Non-Bujin cards can not be used after it.

script/c50474354.lua

@@ -31,7 +31,7 @@ function c50474354.condition(e,tp,eg,ep,ev,re,r,rp)
 end
 function c50474354.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	local c=e:GetHandler()
-	if chk==0 then return c:IsAbleToGraveAsCost() end
+	if chk==0 then return Duel.GetFlagEffect(tp,50474354)==0 and c:IsAbleToGraveAsCost() end
 	Duel.SendtoGrave(c,REASON_COST)
 	local e1=Effect.CreateEffect(c)
 	e1:SetType(EFFECT_TYPE_FIELD)
@@ -40,6 +40,7 @@ function c50474354.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	e1:SetTargetRange(1,0)
 	e1:SetValue(c50474354.aclimit)
 	e1:SetReset(RESET_PHASE+PHASE_END)
+	Duel.RegisterFlagEffect(tp,50474354,RESET_PHASE+PHASE_END,0,1)
 	Duel.RegisterEffect(e1,tp)
 end
 function c50474354.aclimit(e,re,tp)