Source (The Seer Cycle - "[...] They were moved to uncommon, and a new cycle of one-shot spells took their place at common. The common spells had the same scalable effect as their respective Seer.")
Source (Use of Multicolor - Power Spell Cycle (Rare) - "I believe this cycle turned into the Ascendancy enchantments, such as Jeskai Ascendancy ." - Empires (Rare) - "[...] We went through many iterations, but the one we went with is a cycle of enchantments that cost the wedge's colors. [...] It's possible this is the cycle that became the Ascendancy enchantments.")
Le nom de la carte An Offer You Can't Refuse fait référence à une réplique du film Le Parrain, qui n'est pas la première apparition de cette expression (dérouler la "note" après "The trope name comes from the movie The Godfather [...]" pour en savoir encore plus après avoir suivi le lien), mais une des plus célèbres et qui lui a donné son sens actuel (attention, spoilers!).
Source 1 (Question #7 - "Invasion, made use of Unglued II's split cards") - Source 2 (#1) (tie) Split cards (3) - "Split cards were first created for Unglued 2, but eventually saw print in Invasion.")
Les cartes Secret Lair "Finally! Left-Handed Magic Cards", dévoilées comme poisson d'avril 2022 (mais qui n'en sont pas vraiment puisqu'on peut les commander), ont leur design inversé horizontalement. Elles sont également numérotées en sens inverse en partant de 9999, et leurs illustrations représentent toutes des personnages gauchers.
Source (History Lesson - "[...] First up is part a cycle that I knew we had to do if we did an enemy color set. Magic has done a cycle of monocolored Dragons. It's done ally color Dragons. It's done Dragons in shards. It's done wedge Dragons. All of these even have legendary versions. However, there has never been a cycle of enemy color Dragons. (There have been a bunch of blue-red ones, though.) That is, until now. [...] There has to be a cycle of mythic rare enemy color legendary Dragons. [...] It turns out each of the colleges was founded by and named after a Dragon. [...] Click here to meet Velomachus Lorehold")