While certain items and materials in Minecraft are notoriously hard to come by, there are ways to obtain these rare things.

Learn how to craft Spears using different materials in Minecraft's Mounts of Mayhem update, and get them as mob drops and enchant them for more power.

You can make glass in Minecraft by smelting blocks of sand, and combining the glass with other items can craft even more.

You can make green dye in Minecraft by smelting pieces of cactus, and then use that dye to color other items or make more dye ...