Meloku the Clouded Mirror + Minn, Wily Illusionist + Altar of Dementia

Meloku the Clouded Mirror
Minn, Wily Illusionist
Altar of Dementia

Requires
All permanents on the battlefield. You control a land that enters the battlefield untapped and can tap to produce at least 1.
Steps
  1. Activate the land by tapping it, adding at least 1
  2. Activate Meloku by paying 1 and returning a land you control to your hand, creating a 1/1 Illusion creature token
  3. Activate Altar of Dementia by sacrificing the Illusion token
  4. The Illusion dies, triggering Minn's second ability, putting a land from your hand onto the battlefield
  5. Resolve the Altar of Dementia ability, causing target player to mill cards equal to the Illusion's power
  6. Repeat
Results
Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite landfall triggers. Infinite mill. Infinite self-mill.