Dashing Dragon, Einionrush

[AUTO]:When this unit is retired by any card's ability during your turn, [COST][Energy-Blast 3], and draw a card. [AUTO](RC):When this unit attacks, if your opponent's vanguard is grade 3 or greater, [COST][Soul-Blast 1], this unit gets [Power]+10000 until end of that battle, and at the end of that turn, retire this unit.