Changes

* The effect of "[[Armed Ninja]]" always is a Trigger Effect that activates when it is [[flip]]ped [[on the field. (The effect targets 1 face-up]]Spell Card on the field or 1 Set Spell/Trap Card on the field.)<ref name="No.4475">[https://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=4&cid=4475&request_locale=ja Konami OCG Card Database]: Armed Ninja</ref>

* The effect [[target]]s 1 [[always activates if "Armed Ninja" is flipped face-up. (It also activates during the Damage Step. It activates even if there are no face-up]] [[Spell Card]] on the [[field]] or 1 [[Cards nor Set]] Spell/[[Trap Card]] Cards on the field, but since there is no target to select, the effect resolution is not applied.)<ref name="No.4475"/>

* If the [[target]]ed targeted card is a [[face-up]] [[Spell Card]] on the field, it is [[destroy]]ed.<ref name="No.4475"/> * If the [[target]]ed card is a [[Set]] [[Spell Card|Spell]]/[[Trap Card]] on the field, look at the targeted card when resolving the effect [[resolve]]s pick that card up and [[look]] at it. (If Destroy it if it is a [[Spell Card]] , or Set it again without destroying it is [[destroy]]ed, if it is a [[Trap Card]] it is returned to its original position and not destroyed.)<ref name="No.4475"/> * Even if there are no [[face-up]] [[Spell Card]]s nor [[Set]] Spell/[[Trap Card]]s on the [[field]], the effect always activates when "Armed Ninja" is [[flip]]ped face-up. (Because there is no chosen [[target]], the effect does not [[resolve]].)<ref name="No.4475"/>