When to Open Packs When you open your packs depends on what you're trying to do: Do You Want to Just Have Fun and Enjoy Yourself
The most common patterns with Specter of Mortality will be to cast it and give other creatures -2/-2, but the sweeper effect can scale and the Specter wont be affected at all
The card isnt legal in Modern, so demand is largely dependent on EDH sliver players and casuals
The goal is to dump your hand, playing three lands every single turn, often from your graveyard with Crucible of Worlds or Ramunap Excavator
The idea here is that they upgrade your Clues into super-Clues, so to speak
Not to mention, as someone who was invested in the story of Murders at Karlov Manor , seeing one of my favorite characters return was pretty hype