The step-and-compleat foil treatment is available on borderless ichor cards, borderless concept praetors, borderless manga cards, and Phyrexian-language cards
If you're looking to get your hands on the set, you're in luck
The streamer gave out packs of trading cards highlighting many of them
The Gitrog Monster deserves special mention: already game-winning on its own, combining it with Patchwork Gnomes and Dakmor Salvage allows you to dredge the Salvage over and over
The List is a collection of cards from Magic's history, printed in their original framing, and what those cards can be changes from set to set
This deck works around colorless cost reduction, meaning you'll still need to pay color-specific mana costs