Standard Japanese boosters will never contain an Illustrator card
There's some generally accepted terminology when classifying what type of cube you're building, based on the cardpool you're working with
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Legal Toolbox Buy This Card Notes and Rules Information for Doubling Season: Everything that is specified by the effect creating the original token or tokens will also be true about the additional token or tokens created by Doubling Season's replacement effect
Most of these new cards are focused on artifacts, and will fit well into Vehicle or artifact decks
Highway Robbery Being stuck at sorcery speed makes Highway Robbery less exciting than other Thrill of Possibility variants, but getting to sacrifice a land instead of discarding a card offers the possibility of niche synergies with cards like Titania, Protector of Argoth and Lord Windgrace, plus it makes this a better top deck if your hands empty
Tier four decks are ones that people bring out for a normal deck
