Cardfight!! Vanguard - Chasm of Lost Souls - Iron Arm Dragon, Gargrex (C) DZ-BT12/066EN

[AUTO]:When this unit is rode upon by "Iron Emperor Dragon, Gargrex", [COST][Energy-Blast 3], look at the top seven cards of your deck, choose up to two with different card names from among them, reveal them, choose a card from among the revealed cards, put it into hand, discard the rest of the revealed cards, and shuffle the deck. [ACT](Drop):If you have a grade 3 or greater vanguard, [COST][Energy-Blast 3], and call this card to (RC).