End of the season Glint spending and basic math — statistics and probablities

So, right now I got 191K Glint, let the shopping begins!

First, 10 Ultimate chests. 16 Energy worth 35.2K Glint, 8K Merits worth 16K Glint, 9 Common cards worth 1.35K Glint and 17 Potions worth 1K Glint, total 53.55K Glint, as I spent 45K. Not great but I will try once more.

The second try, 8.8K Merits worth 16K, 3 Energy worth 6.6K Glint, 8 Common Cards worth 1.2K, 13 Rare cards worth 9.75K and some Potions. A 11.45K less profit. Next, 400 Common cards, paying 60K. I got 14 Gold cards out of 400. A 3.5% gain, so, not bad, and this is the level before the 400 cards, around level 4:

And after the buy, with all except one going to level 5.

Next I tried the Major chests, 30 of them for 30K Glint, and the results were good. I got 37 Common…