So, if you're searching your library for a land card, you can't find a modal double-faced card whose front face isn't a land card
The silver-border cards fell into a small grouping of categories: Cards that don't work within the black-border rules An element of "cards matter" that black border doesn't 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 don't feel right in black border Here was the most interesting part of the exercise
Use the interchangeable Leader cards to mix up your battle style
Doomsday Confluence is from the Doctor Who set
However, there are a few ways to get more cards and increase your collection
As mentioned, for 2 black and 7 colorless, this sorcery reads as: Destroy all creatures you dont control and all planeswalkers you dont control