It obviously is better in a dedicated lands deck or one that can tutor it up with a Crop Rotation or similar effect, but its also very splashable provided you run enough lands (38+) in the first place
You can put cards on the back side of the page, so it can up to 540 cards
Other than being a fine standalone value piece, it doesnt do anything particularly synergistic with the rest of the deck
Since Gorebyss has a smaller amount of health to begin with, the ability to heal will come in handy when you have this card in play
Theres currently a gold rush for The One Ring card coming with The Lord of the Rings set later this year, as it has been confirmed to be the only type of this card to be printed.
I had fun playing Pokmon Trading Card Game Pocket, whether I was opening packs and showing off my cards, spinning the Wonder Pick roulette wheel, or battling friends, and I can see it becoming a short but welcome and regular part of my day when it releases