Hold my beer, says Sephiroth, the Savior, whose cosplaying as Atraxa, Grand Unifier is good pretty much everywhere
watch formats, meta shifts and how many borderless copies were printed, since these drive both dangerous downward corrections and positive price runs
The last cards I bought, I think, were from the Unglued set, although I think I still have my old green-red Saproling deck somewhere
Both are good cards in their own right despite being filler cards
Lightning Bolt and Chain Lightning supported the beatdown plan better than Swords to Plowshares, and also contributed to your Goyfs being much larger (Chain Lightning is a sorcery, and creatures dying is better for Goyf than creatures being exiled)
Graders use an empty slab to see what the card will look like in the slab