Dragritter, Alfaqaar (D-BT10/FR02EN) [Dragon Masquerade]

[AUTO](RC):When your vanguard with "Gandeeva" in its card name attacks a grade 3 or greater vanguard, [COST][Counter-Blast 1 & bind this unit face down], look at the top five cards of your deck, choose up to one grade 3 or less unit card from among them, call it to (RC), and shuffle your deck.