How do I unlock Limited play and Brawl?

[Platty Gems]

I went through the Spark battles, completed one Color Challenge and played some Jump In, but I still can't see limited formats.

[Helbane]

Same question. This dumb reddit says it's an "Option".

[Berserkr]

There should be an unlock play modes in account
https://steamcommunity.com/app/2141910/discussions/0/4361246746319804561/