Subclasses feel really weak compared to official ones. There's some decent flavor on a couple of them, like "Echoes of the Wild" is good.
In before people dogpile on PETA. Non-vegans always feel obliged to give advice to vegans on how to attract people to the vegan cause, to laughably limp...
Dice containers
Tabletop mats
(maybe) portable/wheeled storage boxes
I'd argue would be the most universal gifts for a GM. GMs already have dice or probably don't need more, and those dice counters/monster stands are neat but the GM might not end up using them. Every GM that uses square maps is...