Fix H－C マグナム・エクスカリバー

script/c101301044.lua

@@ -44,12 +44,14 @@ function s.atkcon(e,tp,eg,ep,ev,re,r,rp)
 	return e:GetHandler():GetBattleTarget()~=nil
 end
 function s.atkcost(e,tp,eg,ep,ev,re,r,rp,chk)
-	if chk==0 then return e:GetHandler():CheckRemoveOverlayCard(tp,2,REASON_COST) end
-	e:GetHandler():RemoveOverlayCard(tp,2,2,REASON_COST)
+	local c=e:GetHandler()
+	if chk==0 then return c:CheckRemoveOverlayCard(tp,2,REASON_COST) and c:GetFlagEffect(id)==0 end
+	c:RemoveOverlayCard(tp,2,2,REASON_COST)
+	c:RegisterFlagEffect(id,RESET_PHASE+PHASE_DAMAGE_CAL,0,1)
 end
 function s.atkop(e,tp,eg,ep,ev,re,r,rp)
 	local c=e:GetHandler()
-	if c:IsRelateToCard() and c:IsFaceup() then
+	if c:IsRelateToChain() and c:IsFaceup() then
 		local atk=c:GetAttack()
 		local e1=Effect.CreateEffect(c)
 		e1:SetType(EFFECT_TYPE_SINGLE)