Dimensional Robo, Daijet

(This ability is active if you have one or more face up G units in total on your or G zone):[Choose a grade 3 card with "Dimensional Robo" in its card name from your drop zone, and put it on the top of your deck] Shuffle your deck, choose one of your vanguards, until end of turn, it gets +4000, and ": 1 When this unit's attack hits a vanguard, you may pay the cost. If you do, draw a card.".