Personalization of cubes can manifest in more than one manner
Despite the scarcity, the quality of the cards in this package is reasonable, and I would certainly keep almost all of them except for one (see below)
For example, if there are two +1/+1 counters on Aerith Gainsborough and it gets three -1/-1 counters, you'll put two +1/+1 counters on each legendary creature you control when Aerith Gainsborough's third ability resolves
Pairing it with something likeUltron, Artificial Malevolence, which lets you copy artifacts by paying two mana and turning them into creatures, could get out of hand quickly
Winter Superdrop 2023 January 2023 Arcane lore passed down through the ages foretells a simple truth: when the weather is coldest the Superdrop will be hottest
Overall, there's a ton of demand for this card, which has kept its price high, despite a fair few reprints