The card has such widespread applications that even listing a single deck in particular to attribute it to feels like it misses the point
With this cards strength, ubiquity (roughly 10 reprints) and terrific Pete Venters artwork, it surely qualifies as one of the most iconic modern Elves of all time
Because they were legendary, that meant you could only ever have one of each color, which, in turn, meant that we could push them quite a bit in what they did
It's graveyard hate against lots of decks in the format and you can even use a spell from your opponent against them like card draw or a dead planeswalker
That's ideal for a few reasons, first, if a reanimation spell like Animate Dead was milled, you can now draw it after shuffling or Demonic Tutor
The mix of disruption and relentless card advantage makes this one of the scariest choices at competitive tables