Heavy Corrosion Disconnection, Gravell & Olgulus

[AUTO]:When this unit is placed on (RC) from hand other than during the battle phase, perform one of the following. •COST [Counter Blast (1)], reveal the top card of your deck, put it into hand, if you revealed a trigger card, choose one of your opponent's rear-guards, and retire it. •COST [Energy Blast (3)], look at the top seven cards of your deck, choose up to one order card without [Regalis Piece] from among them, reveal it and put it into hand, and shuffle the deck. [AUTO](RC):When this unit attacks, if your opponent's vanguard is grade 3 or greater, this unit gets [Power]+5000 until end of that battle. If you have a vanguard with only one clan, it gets [Power]+5000 until end of that battle if your opponent's vanguard is grade 2 or greater instead of grade 3 or greater.