Salvage Titan You need to be in dire need of an artifact sac outlet to justify Salvage Titan, since most of its utility comes from its sacrifice effect, not it's stats on board
Pyromancer Ascension and Harness the Storm are spell payoffs that don't really work in EDH, but become actual role-players alongside the instant/sorcery cards on this list, like Dragon's Approach or Slime Against Humanity
A holo card, where the artwork shines, is worth many multiples of a non-holo of the same card
However, one particular Stage 2 One-Prizer is a powerful rogue deck option, as Feraligatr has amazing utility and the ability to be able to deal with some of the highest HP Pokmon in the game
The window between a collector's edition going live and selling out can be as short as 15 minutes for highly anticipated titles
Beyond that, a prepared opponent could use their destroyed card to chain the effects of other cards unless the player negates this with another card