User blog comment:Epikart/Starter Duels Idea/@comment-119.74.47.123-20191225082008/@comment-43507804-20191229021927

Don't forget, though, that this source also requires you to have 6 wins to even get the gems, and if you ain't good as hell at getting that, it's going to sink into your Gold fast.

It'd still be quicker to wait for the Gems Dungeons.