Deep Water Deceptions

Submerge up to X target creatures you control. Deep Water Deceptions deals X damage to each creature. (Shuffle your library, then put those cards third from the top. When you draw one of those cards, reveal it and put it onto the battlefield.)
Cycling {3}({3}, Discard this card: Draw a card.)
When you cycle Deep Water Deceptions, submerge target creature you control.