Mikaeus, the Unhallowed + Chainbreaker + Krark-Clan Ironworks

Mikaeus, the Unhallowed
Chainbreaker
Krark-Clan Ironworks

Requires
Mikaeus, the Unhallowed must be on the battlefield. Chainbreaker must be on the battlefield. Krark-Clan Ironworks must be on the battlefield.
Steps
  1. Activate Krark-Clan Ironworks by sacrificing Chainbreaker, adding .
  2. Chainbreaker dies, triggering its undying ability, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
  3. Repeat.
Results
Infinite colorless mana. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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