Omniscience hits the field, you take over the game
The payoff is a way to remove blockers, which can be pretty nice, especially if you want to connect to generate more energy
At most levels of casual play, getting back two creatures for three mana is a hell of a deal, especially given so pairs of creatures can either synergize or straight up combo
For five ink, you can banish a character of your choosing - sending them straight into their owners discard pile without needing to whittle down their health through challenges
Know the key cards that can do this, or add a few from other sets
The trove also includes a booklet showing off all the cards in the set, great to see what you have and what you're missing