If theres one thing that amethyst Lorcana cards do better than any other colour its drawing cards - and most TCG players would argue thats the most important thing you can do in a card game
Whenever an opponent loses life for the first time during each of their turns, put a +1/+1 counter on Valgavoth, Harrower of Souls and draw a card
If kids are after a different set of cards or characters, there are nine other expansions to explore
As an added bonus, that player also gains two life
If you find that you still have too many cards to sift through, I suggest sorting into categories like targeted removal, mass removal, ramp, and card draw
Kaldheim Theme Boosters are available in English, German, and French