Design Considerations First, youll probably want less powerful cards overall, like people do with Peasant or Pauper Cubes, or cubes with other restrictions, such as block or set Cubes
Spells can let you get guys onto the table, make your guys better, alter the rules of the game or interact with your opponents spells. Each spell has a cost
Gone are the days of leaning on lots of counterspells to control what your opponents are doing
And Shadow of the Goblin's rummage is solid, a way to dig reliably, but not worth much of a mention
If youre just starting your Lorcana journey, I recommend reading my complete beginners guide, which covers how to play Lorcana, the rules, keywords, mechanics, and more