Bouncing Monsters Back One of the best ways to get rid of a Monster is to bounce it back to the hand
Even cards of mediocre power and efficiency are attractive that way, such as Harmonize, Feed the Swarm, and now Shatter the Oath
Even a slightly less naive analysis say you spend a play on Emergency Cache and put a copy of Rite of Seeking in play with an Uncage the Soul still works out to +1 resource +3 cards and +2 plays vs +7 actions, putting Sixth Sense only 1 investigate action behind (assuming you can use the resources and cards to save actions in other ways)
They visited GastroByte to see why it was so popular, but Yuga and Gavin were refused entry, so Yuga disguised Kaizo as a home delivery drone to get him inside
granted, it can represent the void from which everything comes from, but canonically, it doesn't fit (least as far as ZEXAL flavor goes).