They are not immune to market forces, such as highs or lows in supply and demand, so lets go over what some cards have recently done, and what looks good in the future
Checking eBay, the only record of the card selling was at a price of $700, which still suggests a pretty large fluctuation in value
Online marketplaces like TCGPlayer or auction-style sites can also be good spots to discover rare editions, though availability and prices will vary
Graded Population Report: Zapdos #27 Visualize the distrbution of grades in the chart
A spellslinger-storm deck comes to mind quickly, one that wins at instant speed by casting instants like Dark Ritual and Frantic Search to rip through your deck and generate immense sums of mana
Every elf deck, goblin deck, and tribal list in Commander is looking at this card