Giving haste to all your creatures is one of the things red does best, and many creatures that need to attack or deal damage get substantially better
Then we have the Eternal Night frame, a black-and-white sketch art to go with a more translucent frame
For example, if youre building a deck around Urza, Lord High Artificer, you probably want a ton of cheap artifact creatures you can tap for mana, and then big heavy hitters you can cast with his second ability and all of that mana you generate
Thats still pretty good for artifact decks, and extra mana generation plays quite well with Future Sight effects
You may be tempted to hold onto Aladdin, Heroic Outlaw, Mad Hatter - Gracious Host, Steal From The Rich, or Stitch - Abomination at the beginning, but you really need cards that can help you fight for the board early on
Copying spells is fun