A group of horde zombies tracking the player down with the new 1.3.1 horde night sky renderer in the background.
Zombie, Drowned and Husk player wearing the skin (and cape) of the player that died.
A Zombified piglin with a custom NBT texture data to look like a piglin brute as well as zombie villagers made to look like a wandering trader and illagers, also using new NBT tags.