How do you get to The Vibrant Nine? It´s really easy:
By Metro: Take a B line to Českomoravská stop
By Tram: Take a number 16 tram, get off at Poliklinika Vysočany stop
By Bus: Take a number 151 bus, get off at Poliklinika Vysočany stop
All the stops are quite close, trams and buses stop right at the park.