This in-game statistical variance can be minimized by proper deck construction, as an appropriate land count can reduce mana problems
There are also a few small differences in layout and color for these two cards, due to this card being from a newer release, where the Japanese cards had a different style
If The Darkness Crystal leaves the battlefield at the same time as one or more nontoken creatures an opponent controls would die, those creature cards will be exiled and you'll gain 2 life for each of them
New Features: Mystery Fishing Modes, Events Only Stamina System, and Ranking Levels Pokmon Pocket will unveil three new Mystery Fishing modes, including Lucky Fishing, Rare Fishing, and Bonus Mystery Fishing
Secret Lair x Fortnite The first drop includes seven cards, each reworked to fit various Fortnite themes, including new artwork and names
I think another issue here is poor naming, it breaks the immersion a little