Festival Cannon Dragon, Dinofest

:When this unit boosts, if your vanguard is grade 3 or greater, and your opponent does not have a rear-guard in the same column as this unit, this unit gets +5000 until end of that battle. :At the end of the battle this unit boosted, if you have more rear-guards than your opponent, or your opponent's rear-guard was retired this turn, [bind this unit], look at the top five cards of your deck, choose up to one grade 2 or greater unit card or up to one non-sentinel Dinodragon normal unit with a different card name from this card from among them, reveal it and put it into hand, and shuffle the deck.