Dependable Pierce Dragon

[AUTO]:When this unit is placed on (RC), if you have a vanguard with "Solrairon" in its card name, choose up to one normal unit from your hand, and reveal it. If you revealed a card, draw a card, and put that revealed card on the top of your deck. [AUTO](RC)[1/turn]:When a normal unit is revealed by the ability of your vanguard with "Solrairon" in its card name, this unit gets "[AUTO](RC):When this unit attacks, you may have this unit get [Power] +5000 until end of that battle. If you do, put this unit into the soul at the end of that battle." until end of turn.