Natural flash means you can play this much more reactively, forcing someone to already dump that game-ending combo and get foiled by you, with them then having to dig for another answer AND potentially find another win condition
While enchantments are nearly as likely to be put into the graveyard as creatures or artifacts, there are plenty of good enchantments that sacrifice for good effect Aura of Silence, Pursuit of Knowledge, Seal of Cleansing, Soul Snare and thats just in white
Mats for Final Fantasy VII characters Cloud and Tifa feature the new art from their cards, and some mats, like those for Clive or Sephiroth, are double-sided to represent mechanics of the cards they're based on
But, more importantly, Scrooge gets here because hes just doing a lot
Primus is a great value card but value is not the thing when you pass the six mana point
Call of the Ring adds a card-draw effect to re-assigning a creature as the Ring-bearer, at the cost of two life