fix

c19337371 ヒステリック・サイン
The effect in end phase should not activate again when negated.

script/c19337371.lua

@@ -4,7 +4,7 @@ function c19337371.initial_effect(c)
 	e1:SetCategory(CATEGORY_TOHAND+CATEGORY_SEARCH)
 	e1:SetType(EFFECT_TYPE_ACTIVATE)
 	e1:SetCode(EVENT_FREE_CHAIN)
-	e1:SetCountLimit(1,19337371+EFFECT_COUNT_CODE_OATH)
+	e1:SetCost(c19337371.cost)
 	e1:SetTarget(c19337371.target)
 	e1:SetOperation(c19337371.activate)
 	c:RegisterEffect(e1)
@@ -16,6 +16,10 @@ function c19337371.initial_effect(c)
 	e2:SetOperation(c19337371.regop)
 	c:RegisterEffect(e2)
 end
+function c19337371.cost(e,tp,eg,ep,ev,re,r,rp,chk)
+	if chk==0 then return Duel.GetFlagEffect(tp,19337371)==0 end
+	Duel.RegisterFlagEffect(tp,19337371,RESET_PHASE+PHASE_END,EFFECT_FLAG_OATH,1)
+end
 function c19337371.filter(c)
 	return c:IsCode(90219263) and c:IsAbleToHand() and not c:IsHasEffect(EFFECT_NECRO_VALLEY)
 end
@@ -42,7 +46,7 @@ function c19337371.regop(e,tp,eg,ep,ev,re,r,rp)
 	e1:SetType(EFFECT_TYPE_FIELD+EFFECT_TYPE_TRIGGER_F)
 	e1:SetRange(LOCATION_GRAVE)
 	e1:SetCode(EVENT_PHASE+PHASE_END)
-	e1:SetCountLimit(1,19337371+EFFECT_COUNT_CODE_OATH)
+	e1:SetCountLimit(1)
 	e1:SetTarget(c19337371.thtg)
 	e1:SetOperation(c19337371.thop)
 	e1:SetReset(RESET_EVENT+0x1fe0000+RESET_PHASE+PHASE_END)
@@ -52,7 +56,8 @@ function c19337371.thfilter(c)
 	return c:IsSetCard(0x64) and c:IsAbleToHand()
 end
 function c19337371.thtg(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return true end
+	if chk==0 then return Duel.GetFlagEffect(tp,19337371)==0 end
+	Duel.RegisterFlagEffect(tp,19337371,RESET_PHASE+PHASE_END,EFFECT_FLAG_OATH,1)
 	Duel.SetOperationInfo(0,CATEGORY_TOHAND,nil,1,tp,LOCATION_DECK)
 end
 function c19337371.thop(e,tp,eg,ep,ev,re,r,rp)