Many of these characters have the Challenger keyword ability which further boosts their stats whenever they are challenging another character
As prices rise and the theoretical loss increases, justifying opening a box for anything but entertainment value becomes incredibly difficult
Ranger-Captain of Eos FINAL FANTASY: Through the Ages, Mythic Limited: 3.0 You wont always end up with a good one-drop for Knights of San dOria (Ranger-Captain of Eos), so taking this early can be a miss sometimes
Its quick to set up, easy to learn the basics, and then continues to challenge you as you develop your skills
Even without these specific synergies, the card is just a solid grindy value engine, however, so the floor here is pretty high
Notably, it does not matter if Hope wasn't on the battlefield when you gained life , so long as Hope is on the battlefield at the end step, you'll still get the mill trigger