As the effect of Peer into the Abyss makes you draw half of your deck, you will deal a significant amount of damage to your opponents, potentially winning the game
Along with this flexibility, however, there comes a cost: many Magic: The Gathering players collect lots of cards so they can construct lots of different decks, which in turn lets them focus on different win conditions and try out different strategies
While Rule of Law can be effective in certain situations, there are better cards like Eidolon of Rhetoric or Ethersworn Canonist that have additional abilities or are more difficult to remove, making them potentially more impactful in the current metagame
Reanimating an early Vilis and then landing a Krrik turns your Phyrexian mana costs into card advantage
I usually put my cards in the inner sleeve bottom up, then put the seam down my sleeves, but theres another option: Sideloaders
More than 140 different sets, dozens of formats, and about 30,000 cards can be very confusing