A Lost Legends card (from the 1994 set, Legends) replaces a Common in 3% of boosters.
As a bonus, you also get to blow up one permanent for free when you cast this card
Careful Study was good enough to be played in decks where you could abuse the discard, Faithless Looting is good enough that you can play it in most red decks regardless
Nothing extravagant, but we do have a handful of cards that were in the $10ish range before the deck was revealed, like Whip of ErebosWhip of Erebos, Titania, Natures ForceTitania, Natures Force, Professor OnyxProfessor Onyx, and Dryad ArborDryad Arbor
Being a mana rock is a plus
Its made whittling the best Tales of Middle-earth cards down to just ten a little bit trickier