An extra draw at the end of your turn plus some tokens or recursion respectively can add up to some serious value
Japanese packs cost around $3-$4 in the USA, while English packs cost around $5
Yes, there's people crazy enough to fill out an entire deck with Krakens, Leviathans, Octopuses, and Serpents, slapping a commander like Thassa, God of the Sea, Slinn Voda, the Rising Deep, or (my favorite!) Arixmethes, Slumbering Isle, and then smashing face with giant sea monsters
For such an epic event, we're offering some equally epic prizes
While you don't have precise control over those options there are still different 8 possibilities of which you do have some control and, most critically, none of which are bad