How can you create a combo with Diamond Lion, First Day of Class, Dross Scorpion, Cauldron of Souls?
user
[START OF COMBO]This combo can be formed with Diamond Lion, First Day of Class, Dross Scorpion, Cauldron of Souls

Color identity: R
Mana cost: 
Steps:
  1. Activate Cauldron of Souls, giving Diamond Lion persist until end of turn.
  2. Activate Diamond Lion by tapping it, discarding your hand, and sacrificing it, adding three mana of any one color.
  3. Diamond Lion's persist ability and Dross Scorpion both trigger.
  4. Resolve the Dross Scorpion ability, untapping Cauldron of Souls.
  5. Resolve the Diamond Lion's persist ability, returning it from the graveyard to the battlefield with a -1/-1 counter on it.
  6. First Day of Class triggers, putting a +1/+1 counter on Diamond Lion and giving Diamond Lion haste until end of turn.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Diamond Lion must be on the battlefield
  - First Day of Class must be in your hand
  - Dross Scorpion must be on the battlefield
  - Cauldron of Souls must be on the battlefield
  - Diamond Lion does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant