Alongside this, old cards sticking around should also prolong their usefulness, making purchasing a Standard deck somewhat more viable
Happy Drafting!
No, Mega Evolution cards are not good for beginners, as they involve higher-risk gameplay mechanics and are no longer part of the Standard format, making them better suited for collectors or experienced players.
For each card type among cards in your graveyard, Emrakul costs one generic mana less, which may seem trivial, but in a deck that runs four copies of Obviously, the main value that Emrakul provides is the on-cast trigger, allowing you to Thanks to the recent reprinting in Seasoned Pyromancer Seasoned Pyromancer was once a Jund mainstay, back when Jund was the most represented deck in the format many eons ago
Couple that with the utility of Leyline of the Void, Rest in Peace, Scavenging Ooze, Lion Sash, and even Graveyard Trespasser // Graveyard Glutton and it becomes that much harder to justify running this over the competition