In the end, playing MTG Arena on phones is a good experience, though given the complexity of the game itself no matter what platform itll be more difficult to follow whats happening with more complex card interactions than simpler competitive card games like Hearthstone
As far as I can see, there's one simple reason why good two-color lands are kept at rare: it helps sell packs
The deck features a number of wrath effects to keep the board free and clear of threats from creature-heavy decks, as well as enchantments that can slow your opponent's attack
Collapse 7B, Sacrifice CARDNAME: Each opponent loses 7 life
If you can surround it with a high enough density of instants and sorceries, it ought to be very strong, but you need to build around it to an extent
Claws of Gix sees almost all of its play in Modern, but it is seeing very little experimentation outside of that format