Your search for "Yellow Gadget TU07-EN003" revealed the following:
Yellow Gadget - TU07-EN003 - Super Rare - Unlimited from Turbo Pack: Booster 7, available at 401 Games Canada. Rarity: Super Rare Card Text:When this card is Normal or Special Summoned: You can add 1 "Green Gadget" from your Deck...
Yellow Gadget - HL07-EN006 - Parallel Rare from Hobby League Promos: Series 7, available at 401 Games Canada. Rarity: Parallel Rare Card Text:When you Normal Summon or Special Summon this card, you can add 1 "Green Gadget" from your Deck...