Let's cut to the chase
Some might prefer it given you are casting from your graveyard loads too, but I prefer casting them twice if you draw them, once normally and once in flashback
Although treasure was given some strong support in the Kaldheim set, it wouldnt really become feature complete until two sets later when Adventures in the Forgotten Realms Dungeons & Dragons-themed cards started to hit circulation
No two Very Cryptic Commands are the same, so theres tons of variety to pick from for your Cube
If you're not familiar with the rule yet, the basic idea is that every time you mulligan, you'll mulligan back to seven cards, and then once you finish mulliganing, you choose a number of cards (from your seven-card hand) equal to the number of times you mulliganed and put them on the bottom of your deck
The set sizes are usually 15 cards, including six holo cards printed on confetti holofoil