This deck is mostly for fun, but can put up a respectable winrate. Depending on meta, you can cut some number of Witches or WWH for Magus of the Mist. You can also cut Subvert for whatever you want. (Bloodcaster is probably a good choice.
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.