Desire Devil, Kodooku

[AUTO](RC):When this unit attacks while not boosted, if your vanguard is "Avaricious Demonic Dragon, Greedon", choose up to four normal units with "Desire Devil" in their card names from your drop, and if you chose one or more cards, return them to your deck and shuffle it. If you returned four cards, this unit gets [Power] +10000 until end of that battle.