Shaco is a assasin stealth melee champion he is difficult to be plaied and he can be playied as Ability power champion or he can be playied as DPS (AD) champion and i bealive that Shaco is more good as AD because he can kill easily the opponents and escape very easily with Deceive and he can kill easily someone with low life in distance with Two-Shiv Poison also if he is dead he can kill someone with his Hallucinate because the opponent if he has low life he can think that he didn't kill you but he killed the clone and star hitting the clone and then if he destoises the clone he will die from the damage it will make.

shaco

Early game:
First of all shaco is difficult in early game because he has low life you have to care for invisible champions or for champions with slow because if they slow you thay can kill you easily but for that you have your fist spell

Mid game:
when you ahve shaco in the middle game you have to keep an eye on the strongest enemy because shaco can be dead in minutes from the strongest enemies but you have to kill 1 to 1 the enemies because you can die because of the small amount of life he has


Late game:
in the late game you have to care because enemies are more difficult do be killed also shaco has small life so it's difficult to kill tanks or nukes

Shaco in ranked games is difficult to be played in early game you have to take lvls quickly so you can built him and take kills if you want to take lvls quickly stay to your lane but if it is an imergensy you have to leave lane but to care so you can't be killed

Pros

Very powerfull DPS(AD)
Can escape easily with Deceive
Has poison by Two-Shiv Poison
Lot's of damage

Cons

Big cooldown for Deceive
Low health (dies easy)