This data pack is basically stuff I thought was a good idea to add to Minecraft, not really anything else.

New Mob
Glacite (spawns in snowy biomes)

New Blocks and Items and how to get them.
Colored Glowstone (combine Glowstone and a dye)
New fish (Go fishing!)
Emerald Sword (Two emeralds and a stick)
Obsidian Sword (Two obisidian and a stick)
Winged Boots (Four amythest shards placed in two pillars, and two feathers on top of them)
Casting Table (Crafted using a redstone block surrounded by quartz blocks)
Effect Wands (Made using Casting Table, put four lingering potions around a stick.)
Hamburger (Two bread with a steak in the middle)
Light Capsule (Torch with four Cobbled Deepslate surrounding it)
Nether Reactor Core (Two lines of diamonds on the sides, and a line of iron ingots in the middle)

(In creative you just run /function improvedmc:give/ and then the item you want)