Yes. eSIMAdvice currently lists 9 Breeze Mongolia plans.
The cheapest Breeze Mongolia plan is Mongolia · 1 GB · 7 days · 5G, at $26.99.
Mongolia · 10 GB · 30 days · 5G has the lowest price per GB right now: $16.75/GB ($167.49 in total).
No coupon is applied to these prices right now.