Scorching Cannon Dragon, Dinobelm

[AUTO](RC)[Once]:When your grade 3 or greater vanguard with "Gargurex" in its card name attacks, if your unit did not [Stand] by a card's ability this turn, Energy Blast (3), [Stand] this unit, and it gets [Power]+5000 until end of turn, and at the end of that turn, retire this unit.