Thunder Emperor's Orders (U)

[Cast Cost] [Pay 1 gauge] [Set] (This card remains on the field.) When an attack of a 《Thunder Empire》 on your field is nullified, deal 1 damage to your opponent! This ability only activates once per turn. If a 《Thunder Empire》 monster or item on your field would leave the field by your opponent's card effects, you may put this card from the field into the drop zone. If you do, that card remains on the field.