Fast answer
Treat a Wishbox like a roster correction tool. The best target is the Tatari that solves your next real problem.
Why players search this so often
Wishboxes feel high-stakes because one wrong choice can delay a stronger evolution line. That is why the best use is usually very boring in a good way: strengthen the line you already trust most.
Best use cases
- finishing a top-tier line
- fixing a missing support slot
- adding the one element your main roster still lacks