When this card is activated: You can target any number of "Gadget" Monster Cards you control that are equipped to a monster; Special Summon them. You can discard 1 card; add 1 "Boot-Up Admiral - Destroyer Dynamo" from your Deck to your hand. You can only use this effect of "Boot-Up Order - Gear Charge" once per turn. You can only activate 1 "Boot-Up Order - Gear Charge" per turn.