To unlock cheats to toggle on/off in Domination Mode, you must complete challenges in Striker Challenges mode:

Effect - Code

Always Sidekick Skillshot - Beat Challenge 11
Always White Ball - Beat Challenge 10
Classic Mode - Beat Challenge 01
Custom Power Ups and Infinite Power Ups - Beat Challenge 12
Devastating Hits - Beat Challenge 05
Field Tilt - Beat Challenge 09
High Voltage - Beat Challenge 04
No Power Ups - Beat Challenge 06
Power Shortage - Beat Challenge 08
Safe MegaStrike - Beat Challenge 02
Secure Stadia - Beat Challenge 07
Super Captains - Beat Challenge 03