Show: All formats Goat Edison
The effect of "Armed Ninja" is mandatory.
FLIP: Destroy 1 Spell Card on the field. If the card is face-down, look at the card and destroy it if it is a Spell Card. If it is a Trap Card, return it to its original position.
This card can destroy a Spell Card on either side of the field. So if your opponent has no Spell Cards and no Set Spell or Trap Cards, you must destroy a card on your side of the field. If it is face-down Trap Card you must reveal it to your opponent, and it is not destroyed.