Coming back after a long break, want to avoid being toxic

Hmm... Step one - don't type in chat. Step two - mute toxic players. There is no step three. Just play the game and do your best to win.

No participating in chat at all?

The community is still toxic as ever. Wear a hazmat suit.

Toxic Dr. Mundo is toxic.

Download Keytweaks, disble both your enter keys and play the game. Impossible to send messages so its impossible to be banned.