Color Identity: C

Prerequisites

  1.  All permanents on the battlefield.
  2. Helm of the Host
    Helm of the Host
    attached to
    Coretapper
    Coretapper
    .

Steps

  1. At the beginning of combat on your turn,
    Helm of the Host
    Helm of the Host
    triggers, creating a token copy of
    Coretapper
    Coretapper
    with haste.
  2. Activate the token
    Coretapper
    Coretapper
    's first ability by tapping it, putting a charge counter on
    Magistrate's Scepter
    Magistrate's Scepter
    .
  3. Activate the token
    Coretapper
    Coretapper
    's second ability by sacrificing it, putting two charge counters on
    Magistrate's Scepter
    Magistrate's Scepter
    .
  4. Activate
    Magistrate's Scepter
    Magistrate's Scepter
    's second ability by tapping it and removing three charge counters from it, causing you to take an extra turn after this one.
  5. Repeat each turn.

Results

  1. Infinite turns.

Metadata

  1. In 85 decks according to EDHREC.
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