Mermaid Idol, Sedna

:When this unit is placed on or from hand, look at five cards from the top of your deck, reveal up to one grade 3 from among them and put it into your hand, and shuffle your deck. If you put a card into your hand, discard a card from your hand. /:During your turn, if you have another unit in the same column as this unit, this unit gets +5000.