Craft mobs and spawners!

Creeper = egg + 4 gunpowder

Enderman = egg + 2 dirt + 2 warped roots

Blaze = egg + 2 magma cream + firecharge + netherbricks

Zombie = egg + 4 rotten flesh

Spider = egg + 2 spider eyes + 2 strings

Piglin = egg + 2 gold ingots + 2 raw porkchops

Slime = egg + 2 lilypads + 2 slimeballs

Chicken = egg + 2 raw chickens + 2 wheat seeds

Silverfish = egg + 4 stones

Endermite = enderman spawn egg

Evoker = egg + gold ingot + lapis lazuli + emerald + blaze powder

Vex = evoker spawn egg

Villager = egg + 2 wheats + carrot + potato

Spawner = torch + 2 redstones + 6 ironbars

(ATTENTION! You need to arrange the items in the correct formation. The egg must be in the middle and the rest of the items must not be in the crafting corners!)