I've found that Strange Broker and Two-Face, along with discarding at least a third of their deck, does have the potential to fully power-up Essence Feast. Currently 6-4 with 2-2 on tiebreakers, as of the end of the first week.
The ShiftstonedEternal Power Calculator is a deck-building tool that visualizes your odds of drawing enough Influence and Power based specifically on the cards found in your deck.