Cloakwood Swarmkeeper + Animation Module + Ashnod's Altar

Cloakwood Swarmkeeper
Animation Module
Ashnod's Altar

Requires
Cloakwood Swarmkeeper must be on the battlefield. Animation Module must be on the battlefield. Ashnod's Altar must be on the battlefield. You have a way to cause a token to enter the battlefield under your control.
Steps
  1. Cause a token to enter the battlefield under your control.
  2. The token enters the battlefield, triggering Cloakwood Swarmkeeper, putting a +1/+1 counter on Cloakwood Swarmkeeper.
  3. Animation Module triggers.
  4. Holding priority, activate Ashnod's Altar by sacrificing the token, adding cc.
  5. Resolve the Animation Module trigger, causing you to pay 1 to create a 1/1 Servo artifact creature token.
  6. Repeat from step 2.
Results
Infinite +1/+1 counters on Cloakwood Swarmkeeper. Infinite colorless mana. Infinite creature tokens. Infinite death triggers. Infinite ETB. Infinite LTB. Infinite sacrifice triggers.

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