Seeker, Purgation Breath Dragon

[ACT](VC):[Legion 20000]"Brave Stride Seeker, Cherin"(If your opponent's vanguard is grade 3 or greater, this unit may return four cards from your drop zone into your deck once, search your deck for the specified card, and Legion) [ACT](VC):[Counter-Blast 2]-card with "Seeker" in its card name] If this unit is [Legion], search your deck for up to one card with "Seeker" in its card name, call it to (RC), and shuffle your deck. Then, if the number of units you have is more than your opponent's, choose a card from your damage zone, and turn it face up. This ability cannot be used for the rest of that turn. [AUTO](VC):When this unit attacks a vanguard, if you have another unit in your middle column, this unit gets [Power] +3000 until end of that battle.