mtg card size ratio Playing Card Dimensions - Packaging

Most Modern decks cap their curves at 3 mana

we can tell that much at least

Making of Their Magic Is Limitless In this section, you'll hear directly from members of the team who helped bring Their Magic Is Limitless to life, with select excerpts attributed to the people behind the creative work

Designing for a Modern Age Similarly to how Commander 2014 allowed Wizards to create planeswalkers that circumvented Standard-legality to allow for a higher power level with multiplayer in mind, Modern Horizons allowed Wizards to create competitive viable Planeswalkers that would enter into competitive Magic through Modern