Good ways to farm biome keys? :: Terraria General Discussions
Guide:Farming Biome Keys or Key Molds - Official Terraria Wiki
4 Ways to Get Biome Keys in Terraria - wikiHow
i managed to get all 5 biome keys, i got the first 3 by complete accident and even managed to get a few duplicates, spent 10 minutes farm for a desert key,
Why isn't this working? (Key mold farm) | Terraria Community Forums
Biome Key Molds & Biome Keys | How To | Terraria 1.2.1 Gameplay - YouTube