Hunting Gatling of Dust Storm, Firas

:When this unit is placed on , if you have a vanguard with "Eugene" in its card name, [ 1 & discard a card from hand], search your deck for up to one grade 3 normal order without , reveal it and put it into your hand, and shuffle your deck. :When your opponent's rear-guard is retired by your card's ability during your main phase, 1, this unit, and this unit gets "Boost" until end of turn.