Sprout
Bluelight Crew
Morphine - it ain't the 'gold standard' of opiates for no reason. 
2C-I or 25I-NBOMe?

2C-I or 25I-NBOMe?
^ Nitrous oxide
But if I had to pick between those two, DXM.
Wyr (fiction edition)
Test a new hallucinogen called "Sarah Palin" (Makes you see blimps grow out of walls, among other things).
Or
Play Drug Dice (TM)
Roll 1 — Dexedrine
Roll 2 — World's Best Weed
Roll 3 — LSD + AL-LAD (family reunion)
Roll 4 — IV Morphine w/ antihistamine potentiator of your choice
Roll 5 — PCP + 300mg Benadryl
Roll 6 — Thorazine w/ Gasoline
Ketamine my man. I've wanted to try it for 3 years now, still have had no luck finding it haha. One day.
LSD or MDA?