How can you create a combo with Fool's Demise, Coretapper, Magistrate's Scepter?
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[START OF COMBO]This combo can be formed with Fool's Demise, Coretapper, Magistrate's Scepter

Color identity: U
Mana cost: {4}{U} each turn
Steps:
  1. Activate Coretapper's first ability by tapping it, putting a charge counter on Magistrate's Scepter.
  2. Activate Coretapper's second ability by sacrificing it.
  3. Fool's Demise goes to the graveyard from the battlefield as a state-based action.
  4. Both of Fool's Demises triggered abilities trigger.
  5. Resolve Fool's Demise's first triggered ability, returning Coretapper from your graveyard to the battlefield.
  6. Resolve Fool's Demise second triggered ability, returning it from your graveyard to your hand.
  7. Resolve Coretapper's ability from step 2, putting two charge counters on Magistrate's Scepter.
  8. Activate Magistrate's Scepter's second ability by tapping it and removing three charge counters from it, taking an extra turn after this one.
  9. Cast Fool's Demise by paying {4}{U}, targeting Coretapper.
  10. Repeat each turn.[END OF COMBO STEPS]

Result:
  - Infinite turns[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Coretapper does not have summoning sickness.
  - Fool's Demise attached to Coretapper.
[END OF COMBO PREREQUISITES]
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