Artillery Bullet of Dust Storm, Zaxis: DZ Booster Set 02: Illusionless Strife

[AUTO]Front Row (RC):At the beginning of your battle phase, [COST][Counter-Blast 1], choose one of your units with Grhy or Aundra in its card name, and it gets [Power] +5000 until end of turn. If you chose a unit, draw a card. [AUTO](RC):When your unit with Grhy or Aundra in its card name attacks, if your opponent's vanguard is grade 3 or greater, this unit gets [Power] +5000 until end of turn.