Thopter Foundry + Sword of the Meek + Ashnod's Altar

Thopter Foundry
Sword of the Meek
Ashnod's Altar

Requires
All permanents on the battlefield. 1 available.
Steps
  1. Activate Thopter Foundry by paying 1 and sacrificing Sword of the Meek, creating a 1/1 Thopter artifact creature token and gaining 1 life
  2. The Thopter token enters the battlefield, triggering Sword of the Meek, returning Sword of the Meek to the battlefield equipped to the Thopter
  3. Activate Ashnod's Altar by sacrificing the Thopter token, adding cc
  4. Repeat
Results
Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite lifegain. Infinite lifegain triggers.