To spend your points, select the booster packs you are interested in opening and then look at the right side of the screen
So I avoided cards with casting costs involving two of a single color where I could (though Bruna, Light of Alabaster and Yomiji, Who Bars the Way were just too good not to include and I adjusted my mana to compensate)
Theyre some of the most popular mana rocks, and for good reason: theyre efficient, they give you two colors, and they dont cost you any life to use
Now, these eldritch Creatures have an excellent typal Commander that allows you to build across the color spectrum, and the ongoing popularity of Eldrazi means that Ulalek is likely to stay relevant for quite some time
153 possible cards 1 per box = you need ~153 boxes (6.3M / ~$43,000) to statistically expect one specific Master Ball mirror
In fact, the whole case only contained 4 of them