Play this with COST [Counter Blast (1)] if you have a vanguard with "Thegrea" in its card name! Look at the top seven cards of your deck, choose up to one unit card with grade less than or equal to...
[AUTO](RC):At the end of the battle this unit attacked, if this unit was placed on (RC) by a card's ability this turn, COST [retire this unit], choose a normal order or set order from your drop, and...
[AUTO]:When this unit is placed on (RC) from hand, if you have a grade 3 or greater vanguard with "Rorowa" in its card name, COST [Soul Blast (1) & retire two other rear-guards], choose a grade 2...