Monument to Endurance just so easily slots into many strategies, pays for itself very quickly, and is one of the most useful cards to pull from Aetherdrift
Notably, opponents can't try to remove the permanent you wish to sacrifice
The only other ability of Carl & Russell is Outdoor Skills, which states that while this character is at a location, all characters at that location get an additional lore point when questing and gain Evasive
Each deck can have one or two Ink colors, so I imagine Amethyst will be a popular choice to pair with one of the others, if only for the card draw options
Some Disney Lorcana Elsa cards are the prized possession of TCG collectors, while others are valued parts of a competitive deck
Its making me contemplate being active for a season and playing in person constructed, just to get all of the goodies