Twisted Treeline 3v3 Tier List by WillieTheWhale:
This tier list is constructed from data such as win-rates and popularity. The data is filtered to exclude low elo games. The tier list is usually updated within a week after a new patch hits the live servers.
If you are looking for the currently best performing champions, this manually reviewed tier list is for you!
Generally good picks
These are always able to perform well, regardless of meta or matchup. When unaware of your lane or team-matchup, these are the safest picks to go with.
These champions are capable of performing well on the Treeline. However, they often require a good matchup and/or a skilled player controlling them. Blindpicking these can be risky, but picking them in a known matchup can definitly give you an edge.