Fill your void with Power, and then rip em back in play with hourglass and katra. Utilize some discard synergy with wisp and felrauk. Putting 4 Timepieces on your top 20 is a great way to close a game.
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.