Dimensional Robo Battle Commander, Magna Daibird

-Stride Step-[Choose one or more cards with the sum of their grades being 3 or greater from your hand, and discard them] this card on your from face down. :[Choose a face down card with the same card name as this unit from your G zone, and turn it face up] This unit gets ": 1 When your opponent places a guardian, you may pay the cost. If you do, reveal three cards from the top of your deck, if all of them are cards with "Dimensional Robo" in their card names, put up to one grade 3 card from among them into your hand, and if you do, choose one of your opponent's guardians, and retire it. Shuffle your deck.".