While the original might have been upstaged by its newer, flashier March of the Machine version (read on for more on that), Etali, Primal Storm remains a classic Dinosaur creature that can capably steal cards and wins from foes out of nowhere if you hit the right stuff from their libraries
This means that its better to sell these cards individually at the shop
If you're able to cheat it into play, such as by reanimating it with Yuna, Hope of Spira, it's even better
as long as they know the basics of MTG before they play, theres a great deal of satisfaction in being able to just grab two booster packs, shuffle them together and immediately play against an opponent whos done the same with their own two Jumpstart Boosters
Its worth noting that extra combat effects arent the only way to take an extra combat
Then download and open the Lorcana files through that browser