Dreamer Dreamer, Kruk

/:Harmony (When your other unit is placed in the same column as this unit, both units become in harmony until end of turn) (This ability is active if you have one or more face up G units in total on your or G zone):If this unit is in harmony, this unit gets ":[Put this unit on the top of your deck] At the end of the battle that this unit boosted ([Boost]), you may pay the cost. If you do, choose one of your other rear-guards, return it to your hand, choose up to one card from your hand, and call it to . Shuffle your deck.".