Promo cards are often limited in availability, so take the chance to grab one when you can
Galadriel enables some non-infinite combos that are surprisingly easy to assemble: with Galadriel, one of our three cards that scry when a creature enters the battlefield (Sylvan Anthem, Season of Growth, or Elrond, Lord of Rivendell), and one of our four cards that create a creature when a land enters the battlefield (Scute Swarm, Sporemound, Rampaging Baloths, and Zendikar's Roil), we can put a land into play to trigger landfall and make a green creature token, which triggers a scry, which triggers Galadriel to potentially put a land from the top of our library into play and repeat the process
And the lack of such an overriding central theme as Emrakuls madness will allow a more diverse exploration of individual horror tropes and themes, something these sets have always been spectacular for
Best practices: Use penny sleeves or perfect-fit sleeves Sleeve every card placed in a binder Avoid mixing sleeved and unsleeved cards on the same page Sleeves reduce surface scratches and protect edges when flipping pages