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.
Rakano is very difficult for this deck - I’ll usually try and quickly vara’s choice their sediti/Icaria, which gives me some time. If I have more merchants, I’ll also focus on getting grasping at shadows to grab an Azindel or Tasbu.
What if you played Ebon Dune Smuggler instead of Kerendon? That gives you access to a Time market as well, which would give you better answers to decks like that with Sandstorm Scarf