In order to count toward Juggletron's power bonus, a sticker must be completely within Juggletron's art, such that no part of the sticker is touching the frame, another sticker, or Juggletron itself
Having access to hard-lockout condition is a great way to give yourself a chance in any matchup, plus you can close out the game quickly by turning it into a 6/6 with Karns less-talked-about plus ability
Did you instead shuffle It into your deck or put them onto the battlefield
Other than that, this deck makes up for the lack of value by having a lot of generic utility spells as part of its desire to be a control deck that didnt go in on the creature type
Sure, your opponents can theoretically block with sea monsters of their own, but what are the odds that there's two people crazy enough to play with sea monsters at the same table