For example, here's how draft boosters differ from play boosters: Draft boosters One in every 7.4 draft booster packs contains a mythic rare instead of a regular rare, according to an article by lead designer Mark Rosewater
A big part of the issue was scope
Anytime you cast an instant or sorcery from your hand specifically during an opponents turn, you suspend it with three time counters when it resolves
When it comes to the gameplay, the Ruby cards have an aggressive style of play with glimmers that have good overall stats, on the higher end of Strength and Willpower, as well as traits or abilities that will force action onto the player or their opponent
That is, prime numbers that are two more or two less than another prime number (3 and 5 are twin primes, and so are 41 and 43)
For a creature-heavy Goblin deck, you want to be the only one not playing fair