Valeria: Card Kingdoms - Pack de Expansión #05: Refuerzos de Monstruos

Thirteen monsters doesn't sound like much until you're staring down the one that just got added to your weakest stack. It slots right into Flames & Frost without any rules headaches, and the jump in difficulty feels deliberate rather than random. We lost our first game with it and immediately wanted

The new monster for each stack finally makes the base game punishing again, especially the ones that stack on the fire and ice decks. I've played three solo rounds and lost two, which is exactly what I wanted from this.

I was worried the new monsters would feel tacked on, but each of the 13 actually changes how you approach that stack. The extra challenge makes the base game feel fresh again, and setup is still quick since they just replace the old cards.