Yours and the borrowed ones you can use (at most one borrowed per career). Import them from umadump or uma.moe, or make one when you choose a parent. Click one to see or change her sparks.
Tap a portrait: owned → not owned → must include.
Only cards that provide relevant skills are shown.
The planner tries every one of your veterans in this place and keeps the best.
The contents of umadump's trained_chara_data.json, the text from this page's Export, or an uma.moe lineage planner export (one veteran with her parents, added after yours). An umadump file or an Export replaces earlier imports; veterans you made here stay.
trained_chara_data.json
Your veterans, the plan and the solver job the planner sends for them. Copy the text to keep or share it; Paste brings it back.