How can you create a combo with Skirk Prospector, Putrid Goblin, First Day of Class?
user
[START OF COMBO]This combo can be formed with Skirk Prospector, Putrid Goblin, First Day of Class

Color identity: BR
Mana cost: {1}{R}
Steps:
  1. Activate Skirk Prospector by sacrificing Putrid Goblin, adding {R}.
  2. Putrid Goblin's persist ability triggers, returning it to the battlefield with a -1/-1 counter on it.
  3. First Day of Class triggers, putting a +1/+1 counter on Putrid Goblin and giving it haste.
  4. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Skirk Prospector must be on the battlefield
  - Putrid Goblin must be on the battlefield
  - First Day of Class must be in your hand
[END OF COMBO PREREQUISITES]
assistant