They are designed for 60-card formats
Gramma Tala is a great card but that's because she comes down early in the game, when you want the ramp
Not only can it bounce an opposing threat to slow the game down, but you draw a card if you target one of your own pieces, which turns it into a cheap way to reset key engines
Organic Extinction Organic Extinction is pretty costly, but your artifact creatures can help cast it, taking quite the edge off
I dont even understand where the queue starts. Resellers on eBay were already listing the Lorcana Curators Collection: Heroines Edition ($100 retail) and Disney Lorcana Attack of the Vine ($145 retail) for six times the retail prices.
Given the prevalence of Treasure, Food, and many other sacrificial artifacts, it can quickly grow to monstrous sizes