Morph, Space Goo Emerald is already considered one of the best colours to play if you like using Lorcanas Floodborn Shift mechanic, which is the ability to play character cards for cheaper by putting them on top of a character with the same name that you already have in play
We had cards like One with the Multiverse which makes an interesting impression, or cards like Ghalta, Stampede Tyrant for creatures
If we can get three Wizards in play and flip Kuja, each noncreature spell we cast will deal two damage, which means with enough Wizard tokens, we should be able to burn our opponent out of the game in just a turn or two by casting cheap card draw like Highway Robbery, Opera Love Song, and Wrenn's Resolve
The Light Your Path text could be a hint
Absorb is a wonderful second Counterspell for traditional white-blue-style control decks, giving them two things they want and nothing they don't
Graded Population Report: Dark Confidant [Borderless] #334 Visualize the distrbution of grades in the chart