CC - NBT Tags

Speed:
  name: 'Speed'
  commands:
    - effect {name} 1 60 1
    - give {name} minecraft:milk 1

//Use nbt-tags, with the potion's type as the tag. All potion types are listed BELOW.

  item: POTION
  nbt-tags:
    - 'fire_resistance'

  chance: 5
  rarity: legendary
  receive-limit: 1
 

Egg:
  name: 'Egg'
  commands:
    - effect {name} 1 383

//Use nbt-tags, with the entity's name as the tag. For the name of the mob, it's just the default minecraft name such as Creeper, Zombie, or Zombie_pig

  item: MONSTER_EGG
  nbt-tags:
    - 'Creeper'

  chance: 5
  rarity: legendary
  receive-limit: 1