First tutorial you should watch for TCG Engine - Roguelike Edition.
https://assetstore.unity.com/packages/templates/systems/tcg-engine-roguelike-edition-282908?aid=1100l9QHv
0:00 Trying the game
2:16 Test Settings
3:40 Resources
5:21 Characters
8:36 Cards
12:35 Abilities
18:50 Status
19:45 Scenarios
20:54 Maps
24:10 Map Location Events
29:32 Prefabs & UI
33:14 Script Overview
43:08 Enemy Behaviors
45:57 More Info