Sorting by typecreature, instant, sorcery, enchantment, artifact, landor by function, such as ramp, removal, draw, or protection, helps you design decks with balanced roles
In this case it was archer. Obsolete creature types were eliminated. Cards that look like birds are considered birds (but not vultures), cards that look like beasts are considered beasts, etc
Early Release for us: 6/6/25
When Urza, Lord High Artificer enters the battlefield, create a 0/0 colorless Construct artifact creature token with This creature gets +1/+1 for each artifact you control. You can also tap an untapped Artifact you control to add one Blue mana, and you can pay five to shuffle your library and then exile the top card of your library, then you can cast it for free until the end of the turn
This just sort of gives me a clue that these are as stupidly rare as I suspected they were
All the coin flip cards are either Red or Colorless (artifacts)