Cube specs:

All good cards that would be good to select in different situations. All cards work well against and with each other.

In each pack:
4 uncommons
11 commons

In cube:
50 white
50 blue
50 black
50 red
50 green
50 artefact / non-basic lands
50 dual colour

Around 30 creatures, 20 spells in each colour but each colour is different.

Mana curve in each colour:
1 cost: 5
2 cost: 10
3 cost: 15
4 cost: 10
5 cost: 5
6+ cost: 5