fix 三位一択

c73988674.lua

@@ -8,7 +8,8 @@ function c73988674.initial_effect(c)
 	c:RegisterEffect(e1)
 end
 function c73988674.target(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return Duel.GetFieldGroupCount(tp,LOCATION_EXTRA,LOCATION_EXTRA)>0 end
+	if chk==0 then return Duel.IsExistingMatchingCard(Card.IsFacedown,tp,LOCATION_EXTRA,0,nil)
+		and Duel.IsExistingMatchingCard(Card.IsFacedown,tp,0,LOCATION_EXTRA,nil) end
 	Duel.Hint(HINT_SELECTMSG,tp,HINTMSG_CARDTYPE)
 	local op=Duel.SelectOption(tp,aux.Stringid(73988674,0),aux.Stringid(73988674,1),aux.Stringid(73988674,2))
 	e:SetLabel(op)