If you want to restrict yourself to cards printed before a certain date, why not ask your play group to do just that? If you need more inspiration, there are unofficial formats like 93-94, Old Frame Vintage, Premodern, etc.
ETA: I don't know what gameplay is like as you remember it, but you might be interested in Pauper, especially if you are looking for a more official format. A good number of old school cards are relevant in that format, and these cards won't rotate out. Sometimes new cards enter the meta, but because you're limited to commons, it's not expensive. You also can just keep a deck around for a while. It's ok if you're not at the cutting edge of the meta...
ETA: I don't know what gameplay is like as you remember it, but you might be interested in Pauper, especially if you are looking for a more official format. A good number of old school cards are relevant in that format, and these cards won't rotate out. Sometimes new cards enter the meta, but because you're limited to commons, it's not expensive. You also can just keep a deck around for a while. It's ok if you're not at the cutting edge of the meta...