https://www.amazon.co.uk/Logitech-Customising-Gaming-Optical-Colour/dp/B01MYQ4HJD/
Good if you wanna stay cheap ^

https://www.amazon.co.uk/Logitech-Backlit-Adjustable-Weights-Programmable/dp/B07SCMTKGB/
https://www.amazon.co.uk/Logitech-High-Speed-Lightning-Programmable-Buttons/dp/B07L9FJS98/
Two pretty strict upgrades to the one above, expensive but potentially worth it. 100% the option to go for if they drop imo ^

https://www.amazon.co.uk/HyperX-Pulsefire-Surge-Gaming-Mouse/dp/B07B9TVQ82/
Good because it consistently goes pretty cheap in Black Friday sales. I had one, the wire frayed, but if your desk doesn't suck you'll be fine ^

https://www.amazon.co.uk/Corsair-Rechargeable-Lightweight-Multi-Colour-Backlighting/dp/B07L2X4ZBX/
Good if you like wireless stuff ^

https://www.amazon.co.uk/Razer-DeathAdder-Multi-Colour-Backlight-Ergonomic/dp/B00MXV1Q4I/
Good as a whole, pretty expensive. It might go on sale and if it drops within price range it's probably worth it ^

https://www.amazon.co.uk/Razer-Mamba-Elite-Programmable-Ergonomic/dp/B07D8VPBW5/
Pretty much same as above, a little better from what I've heard ^