The big cactus flower challenge! [Java map for 1.21+]

Hello everyone! I'm currently working on a very very big project for PMC, so here is a small map I built to keep my account alive:

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What can I do on this map?

Your goal is to beat the enderdragon. But the map is only dirt, grass and a lot of cactus flowers! You will also find 3 villagers there that trade dirt and cactus flowers for other recources. With that recources you can buy even more recources. Eventually you'll be able to buy end portal frames and beat the game!

What else can I do?

Not everything the villagers can give you is needed to kill the enderdragon. So you can of course do whatever else you want e.g. building a house, killing the wither, building farms. You can even play in hardcore if you want to!

What is important to know?

The map is really only dirt and cactus flowers, so don't waste your time searching for other structures.
Make sure you scroll down the villager trades or you will miss some important ones!
No mobs spawn naturally (only with the spawner you can buy), but you can enable the gamerule if you want!

Does it work for multiplayer?

Yes, no problem!

In which versions can I play?

Minimum is 1.21 but all the newer versions should work. (Tell me if it doesn't!)