[josephcsible]

Entry fees?

[kadoban]

And sponsorships, and vendors and etc.

There's tournaments for _all kinds_ of games that don't require loot-box purchases to compete, it's not exactly an unknown problem.

[FanaHOVA]

The Mtg Pro Tour is free of entry and has a $500,000 prize pool. Tournaments encourage people to buy cards.

[kadoban]

And all it requires is a gross, exploitative business model and lots of grief.