Reasons listed in the article for why a card should have the acorn security stamp (or what would have been considered silver-border only) include: Cards that dont work within the black-border rules An element of cards matter that black border doesnt reference (flavor text, as an example) Cards that require interacting with people outside the game Cards that require a physical or vocal component Cards that reference a state external to the game (are they able to see something from their seat, for instance) Cards with some effects that just dont feel right in black border By marking each card in the set with either an acorn or the typical oval security stamp, WotC was able to make the set black border and offer up cards for Commander players (along with fans of Vintage and Legacy) while conveying some of the cards can only be played casually
If another effect causes Carmen, Cruel Skymarcher's power to be less than the mana value of the target card as its last ability tries to resolve, the target is illegal
If a Lion Umbra you control is attached to a creature you control, that creature will continue to be a "modified creature" as long as Lion Umbra stays attached to it, regardless of whether it has any other Auras you control or Equipment attached to it or whether it has counters on it
The other cards in this box are two enchantments, two instants, and a new sorcery
Its great for mana fixing
Costing just three ink to play, it seems that Gustav The Giant, Terror of the Kingdom is the greatest deal in Lorcana history until you read the characters first ability - All Tied Up
