Playing them early makes them hard to remove and will almost always give you benefits
You can also preorder now through April 17 on MTG Arena ahead of digial release on April 18
If you dont know, beginning in 1999 you had a small chance of any regular card in your MTG booster pack being replaced with a shiny foil version of that card instead
For example, if Strata Scythe's imprint ability ("When this Equipment enters, search your library for a land card, exile it, then shuffle.") triggers twice (probably because it somehow entered attached to Cloud), up to two total land cards can be exiled
You can, however, start to blur the lines between each colors identity once multicolor cards enter the conversation
Sword of Light and Shadow can help you get a creature back from the graveyard to keep using it if one ever does get removed