How many variants
3 clues: updates and drops
Ways to obtain
Mob fest
Movie
100

Prizmarine has this many variations.

What is 4?

100

This update brought forth shulkers, chorus fruit, and the modern combat system to Minecraft, though the latter was very controversial.

What is update 1.9/the combat update?

100

This is one of two ways to get swift sneak.

What is/are an anvil/loot chests?

100

They're passive mobs that will offer you many helpful items in exchange for emeralds, and vice versa. They're widely considered the most helpful mobs in the game.

What are villagers? 

100

The actor for Steve, his line executions were so good, they became popular memes.

Who is Jack Black?

200

Amethyst has this many variations.

What is 7?

200

This drop brought with it dry grass, new audio for wolves, and leaf litter. 

What is update 1.21.5/the spring to life drop?

200

This is one of three ways to get a dried ghast.

What is/are nether fossils/piglin bargains/loot chests?

200

They're hostile nether-exclusive mob that affects whoever it attacks with the wither effect. It's also the only way to farm coal.

What are wither skeletons?

200

Steve enters the Minecraft world through a portal of this colour. 

What is the colour blue?

300

Iron has this many variations.

What is 14?

300

This update brought with it brewing stands, cauldrons, and the end dimension.

What is 1.0/Adventure update part 2?

300

These are three of four ways to obtain iron ingots.

What is/are crafting, smelting, loot chests, and iron golems? (3 of 4)

300

They're hostile mobs that only spawns in deserts. They're simaler to zombies, but they inflict a non-potion effect on the player.

What are husks?

300

When showing the new arrivals their world, Steve points out a build resembling this passive mob.

What is a llama?

400

Oak has this many variations.

What is 17?

400

This update brought with is copper, tuff, and deepslate.

What is update 1.17/ Caves and cliffs update part 1

400

These are three of four ways to get diamond armor.

What is/are loot chests/vault loot, crafting, villager trades, hostile mobs that can wear armor?
400

It's a hostile mob that is not meant to be killed. It is the only mob that can spawn in it's biome.

What is the warden?

400

In the climax, the piglins use a hostile version of this mob, wo was added in the actual game two months after the movie hit the theatres.

What is a happy ghast?

500

Copper has this many variations.

What is 123?

500

This update brought forth bats, potatos, and anvils.

What is update 1.3/the pretty scary update?

500

These are all three ways to get name tags.

What are loot chests, villager trades, and wandering trader trades?

500

They're semi hostile mobs that will attack you if you go near their young ones.

What are polar bears?

500
It's a structure where possibly the most iconic line from the movie comes from.

What is a Woodland Mansion?