The more cards you can get from the limited events, the less you'll need to buy with wildcards
In essence, the frame is trying to do what we all should if we were to ever encounter these mutants: get out of the way
The typical currency is GEMs, 100 for a Normal or Secret Pack, 1000 if you want to buy 10 at once, each Pack containing 8 Cards
One neat trick to remember about is that you can cast it to destroy an Urzas Saga with its first lore counter trigger on the stack, which means your opponent would not get the chance to tap the land for mana
There are a handful of instants and sorceries with abilities that get better with landfall, but the mechanic mostly appears on enchantments and creatures
When it swings, each other opponent gets attacked by a copy of that dork, which is pretty good