Relation Weaver, Petralka

[AUTO](VC):At the end of the battle this unit attacked a vanguard, [COST][Counter-Blast 1], reveal the top seven cards of your deck, if all of the revealed cards not named "Relation Weaver, Petralka" have different card names, choose up to one of the revealed cards, call it to (RC), and it gets [Power] +10000 until end of turn. If you chose "Relation Weaver, Petralka", ride it as [Stand] instead of calling it to (RC), and it gets drive -1 until end of turn. Shuffle your deck.