You are going to need a lot of blocks for this build so you should better get to farming. As for the blocks themselves, you can pretty much use anything. Cobblestone and Wood are the most common ...

The constant attention to resource management in Minecraft can be made far easier when you build the best farms to automate ...

In Minecraft, Creeper farms are an essential resource for a constant supply of gunpowder, which is used for crafting TNT, fireworks, and some splash potions and is primarily used to fly an Elytra.