Like most Pokmon cards, the value of Ditto depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Delta Species)
Suddenly your 5/5s are 8/8s, your 4/4s are 7/7s, and your opponents are staring down a massive clock they probably can't race
Consecrated Sphinx Welcome to our highest dork, permanent and 2nd highest scoring card overall
If you're hunting for an LP copy, then prepare to open your wallet to the tune of roughly $400 or more, as certain clean NM copies have sold for about $450
First released exclusively in a bundle with a Magic tie-in novel, the card found increasing popularity in the burgeoning Commander format and became incredibly pricey
Writers are so lazy that [finish joke later]