In formats like Modern with smaller deck sizes and tons of cheap spells, this can exile tons of cards
With that being said, we'll lean into White's strength here with Cut a Deal
Shantottos Coercion Diabolic Intent is probably playable with a bunch of Hecteyes, job select stuff, and exciting cards to tutor
This effect allows cards to be returned from play to the owners hand, which synergizes well with abilities that trigger after entering or exiting play
Both of the Grishoalbrand and Tin Fins decks' aim is to draw more cards with other cards to gain back life
Not to mention that Little John, Resourceful Outlaw needing to be exerted to have his effect take hold is an easy cost to pay, considering how many resistant Bodyguards your opponents will likely have to get through to challenge him.