Amethyst stick

Mod has amethyst stick which can be obtained only through commands

Red majority shader

When you have low count of lifes world becomes black and white (except for red)

Advancements

Mod has many advancements which you can get.

Anaglyph effect

If some situations 3d anaglyph effect appears on your screen

Lifes indicator

Amethysm effect

I just ate amethyst shard and screen became purple. Also you will get new effect - Amethysm, which allows you sleep in bed when you have <= 5 lives