Willow-Piercing Nebula Knight, Picky

:When this unit is placed on during your main phase, choose a grade 3 card with "Nebula Knight" in its card name from your ride deck, and you may reveal it. If you revealed a card, or you have a grade 3 or greater vanguard with "Nebula Knight" in its card name, 3, and draw a card. If your opponent's vanguard is grade 2 or greater, until end of turn, this unit gets ":When this unit attacks, look at the top card of your deck, and put it on the top or bottom of the deck.", and +5000. :If you have a vanguard with "Nebula Knight" in its card name, this unit cannot be chosen by your opponent's card effects.