yugioh first edition booster box Yu-Gi-Oh: Soul of the Duelist [Unlimited] Skull Guardian Yu-Gi-Oh! Burst Protocol Booster Box

No supplementary sets are allowed, like Commander decks or sets like Modern Horizons

Credit: Wizards of the Coast Synth Eradicator Steel Mentor: As mentioned in Nick Valentine's entry above, Synths are advanced androids developed by The Institute, the descendants of MIT scientists who holed up underground and have been playing around with advanced tech as the survivors on the surface fought tooth and nail to survive

Necroplasm What is that thing

In a flashback in Valuable Experience for All

(2021-09-24) If you cast a spell with daybound during night, that spell will be front face up (that is, daybound face up) on the stack

Planet Planet is a new nonbasic land type