I pulled a Dark Hole out of an LOB pack and then I watched a video on YouTube where someone opened fake LOB packs, and I decided to buy two more Dark Holes to check if I pulled a genuine card, and I also got me a Monster Reborn. Here they are. They can all be fakes, they can all be genuine.
Here is a detail showing the printing pattern.
The card has a large scratch, and it is difficult to see in this front scan, but when I hold the card at an angle, it is obvious.
First Dark Hole:
Second Dark Hole:
Third Dark Hole:
Here are the backs in the same order with details.