Cardfight!! Vanguard - Dragonsoul Resonance - Furyshot Dragon, Turbobarrage (R) DZ-BT10/044EN

[AUTO](RC):When this unit attacks a vanguard, if you have a grade 3 or greater vanguard, until end of that battle, this unit gets [Power]+5000, and at the end of that battle, retire this unit, and draw a card. (This effect is mandatory)