In your pregame conversation, you can ask what bracket people's decks are
Like any format in Magic: The Gathering, Commander has cards that reign supreme in popularity and power, especially when it comes to the commanders themselves
Because Suncleanser says "target opponent" rather than "target player," it doesn't actually hate on Infect, and while it can remove random Arcbound Ravager counters, reset a Kitchen Finks, and keep cards like Tireless Tracker or Champion of the Parish from growing, this likely isn't enough to make room for Suncleanser in Modern sideboards
And with the paper release of Ikoria delayed due to COVID-19, how is that affecting redemption and the value of Ikoria cards online
You can either create an enchantment-heavy deck with varied powers to control the game and respond to threats, or you can practically ignore the rest of the table as you use The Master of Keys to search for combo pieces that will win you the game