Which is the best hallucinogen?

I never tryed none of those. altho i did try this stuff that they sold in gas stations as "Incence". they called it K2 and i baught some called Super K2, i was tripping hard, blurred vision, and for 10 minz of it i saw instrument playing smurfs no ****. that stuff rotts ur brain. i wouldnt recommend anything except Weed