help w/ new cycle please!!!!!!!!!!!!!

[redscare]

getting ready to order next cycle and was wondering if you guys could give me suggestion on my next cycle. im 20, have had 2 cycles and would like something that will gain me 20lbs or so but dont want to screw w/ my growth. any suggestions would be appriciated thanks.
5'9
180
20
4 years of diet and lifting

[mancunny]

wait atleast two more years