and your opponent's vanguard is grade 3 or greater
Other green creatures you control get +1/+1
Change the target of target spell with a single target unless that spell's controller pays {2}
Menace (This creature can't be blocked except by two or more creatures
You may cast Rout as though it had flash if you pay {2} more to cast it
Aurora Battle Princess, Seraph Clearlight: DZ Booster 11: Symphony of Might & Bloom Morningtide and your opponent's vanguard is[ACT](VC RC)[1 Turn]:[COST][Soul Blast 1], choose one of your opponent's rear guards, and imprison it in your Prison. If you did not imprison a card, your opponent chooses a card from their drop, and imprisons it in your Prison [AUTO](VC RC): When this unit attacks, if three or more of your opponent's cards are imprisoned in your Prison, this unit gets [Power]+10000 drive +1 until end of that battle. Then, at the end of that battle, if this unit is on