You draw a card for each land card put into a graveyard this way
Most importantly, as far as we can tell, Wizards didnt do anything to nerf the economy alongside adding Golden Packs
If your goal when purchasing the precon is to play with it, then ideally you just need to make some adjustments to make it look a bit better or give it your personal touch
Commonly those are keyword abilities such as hexproof or horsemanship, and keyword mechanics such as morph and mutate that are essentially tweaks that reimagine how already existing card types interact with game rules
Dune Beetle: More vanillas, please
This card plays a similar game to the new Ezuri commander, in that it encourages you to have lots of creatures in play, and also have one especially large creature in play