Certain cards are intended for casual play and may have features and text that aren’t covered by these rules. These include Mystery Booster playtest cards, promotional cards and cards in “Un-sets” that were printed with a silver border, and cards in the Unfinity™ expansion that have an acorn symbol at the bottom of the card.
May 3, 2019 · War of the Spark
Certain promotional cards and cards in the Unglued, Unhinged, and Unstable sets are printed with a silver border. These cards are intended for casual play and may have features and text that aren’t covered by these rules.
January 25, 2019 · Ravnica Allegiance
Certain promotional cards and cards in the Unglued, Unhinged, and Unstable sets are printed with a silver border. These cards are intended for casual play and may have features and text that aren't covered by these rules.
January 19, 2018 · Rivals of Ixalan
Certain promotional cards and cards in the Unglued, Unhinged, and Unstable sets are printed with a silver border. These cards are intended for casual play and may have features and text that aren’t covered by these rules.