Need help planning out a drug schedule for the weekend

Hello good people of r/drugs! I'm off to a psytrance festival this weekend (Earthdance) and I'd like some advice on what to take and how to schedule out my substances for maximum fun and minimum harm. I'll be partying from Friday evening through till Sunday afternoon, and I have access to the following:

• LSD

• 2C-B

• Mephedrone

• 4-FA

• Mushrooms

• 25-C (I think I know what you'll say about this one, I just include it for completeness' sake)

• Weed, alcohol (obviously)

I'm debating whether to do stimulants (mephedrone or 4-FA) on Friday evening, then tripping Saturday afternoon/evening into Sunday. Though I also wonder whether I shouldn't just drink a bit on Friday and save the chemicals for one big bender on Saturday. What say you, oh wise ones? And of the options available, which would you recommend?

(Edited for formatting)