It does feel that way, and it doesnt quite feel thematic enough either
Cant block/kill you is good beats, although you always want to weigh the risk of then having it targeted with removal
Common strategies involve suspending something immense, like Ulamog, the Infinite Gyre, and a complete battlefield sweeper, like Obliterate or Decree of Annihilation (especially the latter of which youll want to resolve before your huge thing)
If you pick your own permanent, you can play Flash Photography at instant speed, allowing you to catch an opponent out in combat or clone a creature and immediately attack with it
Target opponent loses half their life, rounded up
This is also the most focused Secret Lair: it's pretty clearly filled with upgrades for your Wise Mothman deck