Wasser Rotovisor: DZ Booster Set 02: Illusionless Strife

[AUTO]:When this unit is rode upon by a grade 3 card with Rotovisor in its card name, look at the top seven cards of your deck, choose up to one grade 3 or greater card with Rotovisor in its card name or up to one Arena card from among them, reveal it and put it into hand, and shuffle the deck. If you did not reveal a card, you may call this card to (RC).[AUTO](RC):When this unit attacks, if you have a grade 3 or greater vanguard with Rotovisor in its card name, this unit gets [Power] +5000 until end of that battle.