480 Strixhaven set cube.
x3 of included commons
x1 of included uncommon/rare/mythic rare
100 commons
120 uncommons
45 rares
15 mythics
Mystical Archive cards included based on these criterion:
All five 2-color cards added
2 uncommons for each color
2 rares for each color
1 mythic for each color
Copied from unstableplains
https://cubecobra.com/cube/overview/15dy
1 Rare or mythic rare
1 Mystical Archive card (uncommon, rare, or mythic rare)
1 Lesson card (common, rare, or mythic rare)
3 Uncommons
9 Commons
1 Common card replaced by a foil card of any rarity* in 1 out of 3 boosters