Its an Elf, so it plays into that creature type strategy
The Illumineer's Trove offers players 96 new cards to collect, and that could mean a ton of new dual-ink cards
Today, most counterfeit cards are designed to pass various tests like the bend test and the light test, and some look almost exactly like the real thing, even upon close inspection (unless you're going really deep and using a jeweler's loupe, which is a good way to weed out fakes but too much work for the average player)
Instead of catching creatures themselves, as in Pokmon Go or any of the franchises mainline games, Pokmon TCG Pocket is focused only on cards creatures on cards, but cards nonetheless
If your cards attack power is higher than the target, you win the battle