Bumbleflower, Helga, Skittish Seer, and Ellie and Alan, Paleontologists to the list to give a bit of variety to your options
You can also choose to cheat in other artifacts like Angel of the Ruins and Meteor Golem if you need to get rid of some pesky permanents on your opponent's board
Whilst they won't help you with the colorless spells in your deck or any cards that are all red pips (as it only reduces generic mana costs), permanently reducing the cost of almost all your spells for the rest of the game is a phenomenal help to a color that can struggle to get more permanent mana available
Straight out of the ever so elusive Ravnica: Clue Edition , Mastermind Plum is a very powerful card draw engine stapled to a creature
"Disney Lorcana TCG: The First Chapter Starter Deck (Amber & Amethyst)" falls under the category of Collectible Card Games.
They also have a D23 logo