In Call of Legends, I believe there will be a Pachirisu with a Power that allows you to attach two energies to it. Then you can just move it to Raichu and reuse it with SSU or Seeker.
Bronzong SF searches your deck for two basic Energy cards and puts them into your hand, but you must also put a card from your hand and into your deck. Cyrus' Conspiracy, Interviewer's Questions, Fisherman (from the discard), and Energy Restore (from the discard and a flip) can also get you Energy.
Run Interviewers Questions for draw power, and Bronzong SF
A nice addition to a raichu deck would be Electivire FB LvX from Supreme Victors for recycling the energy... discard energy from the attack and reattch using Electivire's power