If your deck revolves around having many creatures in play, this is what you need
To quote MaRo, [I]f we were going to shift to a Two-Block Paradigm, we wanted the second block to feel just as special as the first block. He went on to say, [O]ur goal was to make the second block of the Magic year feel the same as the first block. The two blocks were to be equal, and for a while, they were
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
This can make Cresselia a sponge, but after three Energy and other Pokemon to set up, why would you ever attach more Energy to it
A commander all-star, priced fairly at over $20