Star-vader, Colony Maker (RRR)

[AUTO]:When this unit is placed on (RC), if you have a vanguard with "Star-vader" in its card name, [COST][Counter-Blast 1], and perform one of the following.
Look at the top seven cards of your deck, choose up to one card with "Star-vader" in its different card name from this unit from among them, reveal it and put it into hand, and shuffle the deck.
Choose a grade 1 card with "Star-vader" in its card name from your drop, and call it to (RC).
[AUTO](RC):When this unit attacks, if you have a grade 3 or greater vanguard with "Star-vader" in its card name, this unit gets [Power]+5000 until end of that battle. If your opponent has a locked card, it also gets [Power]+5000.