fix

not a==b is the same as (not a)==b

script/c57707471.lua

@@ -30,7 +30,7 @@ function c57707471.initial_effect(c)
 	e3:SetOperation(c57707471.desop)
 	c:RegisterEffect(e3)
 	if c57707471.xyz_filter then
-		c57707471.xyz_filter=function(mc) return mc:IsXyzLevel(c,lv) end
+		c57707471.xyz_filter=function(mc) return mc:IsXyzLevel(c,6) end
 	end
 end
 c57707471.xyz_number=21

script/c59951714.lua

@@ -26,7 +26,7 @@ function c59951714.initial_effect(c)
 	Duel.AddCustomActivityCounter(59951714,ACTIVITY_SPSUMMON,c59951714.counterfilter)
 end
 function c59951714.counterfilter(c)
-	return not c:GetSummonLocation()==LOCATION_EXTRA
+	return c:GetSummonLocation()~=LOCATION_EXTRA
 end
 function c59951714.spr(e,tp,eg,ep,ev,re,r,rp)
 	local c=e:GetHandler()

script/c62980542.lua

@@ -6,11 +6,11 @@ function c62980542.initial_effect(c)
 	e1:SetCategory(CATEGORY_DECKDES+CATEGORY_DAMAGE)
 	e1:SetCode(EVENT_FREE_CHAIN)
 	e1:SetProperty(EFFECT_FLAG_PLAYER_TARGET)
-	e1:SetCost(c62980542.discost)
+	e1:SetTarget(c62980542.distg)
 	e1:SetOperation(c62980542.disop)
 	c:RegisterEffect(e1)
 end
-function c62980542.discost(e,tp,eg,ep,ev,re,r,rp,chk)
+function c62980542.distg(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return Duel.IsPlayerCanDiscardDeck(tp,3) end
 	Duel.SetTargetPlayer(tp)
 	Duel.SetTargetParam(3)

script/c65196094.lua

@@ -13,7 +13,7 @@ function c65196094.initial_effect(c)
 	Duel.AddCustomActivityCounter(65196094,ACTIVITY_SPSUMMON,c65196094.counterfilter)
 end
 function c65196094.counterfilter(c)
-	return not c:GetSummonType()==SUMMON_TYPE_SYNCHRO
+	return c:GetSummonType()~=SUMMON_TYPE_SYNCHRO
 end
 function c65196094.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	e:SetLabel(1)

script/c79844764.lua

@@ -11,7 +11,7 @@ function c79844764.initial_effect(c)
 	Duel.AddCustomActivityCounter(79844764,ACTIVITY_SPSUMMON,c79844764.counterfilter)
 end
 function c79844764.counterfilter(c)
-	return not c:GetSummonLocation()==LOCATION_EXTRA
+	return c:GetSummonLocation()~=LOCATION_EXTRA
 end
 function c79844764.cost(e,tp,eg,ep,ev,re,r,rp,chk)
 	if chk==0 then return Duel.GetCustomActivityCount(79844764,tp,ACTIVITY_SPSUMMON)==0 end