Brilliant Gunfire Colossus

[AUTO]:When this unit is placed on (RC) by your vanguard's ability, [COST][Counter-Blast 1], draw a card, and this unit gets [Power] +5000 until end of turn. [AUTO](RC):When this unit's attack hits a vanguard, if you have a grade 4 or greater vanguard, [Counter-Charge 1].