Lumra, Bellow of the Woods + Port of Karfell + Spelunking + Zuran Orb

Lumra, Bellow of the Woods
Port of Karfell
Spelunking
Zuran Orb

Requires
Lumra, Bellow of the Woods must be in the graveyard. Port of Karfell must be on the battlefield. Spelunking must be on the battlefield. Zuran Orb must be on the battlefield. Lands you control excluding Port of Karfell can tap to produce at least 3. Archelos is untapped.
Steps
  1. Activate any number of other lands you control by tapping them, adding at least 3.
  2. Activate Zuran Orb by sacrificing a land other than Port of Karfell, causing you to gain 2 life.
  3. Repeat step 2 until you control no other lands except Port of Karfell.
  4. Activate Port of Karfell's second ability by paying 3, tapping and sacrificing it, causing you to mill four cards and return Lumra from your graveyard to the battlefield tapped.
  5. Lumra enters the battlefield and dies as a state-based action due to having 0 toughness.
  6. Lumra's enter-the-battlefield ability triggers, causing you to mill four cards and return all land cards from your graveyard to the battlefield untapped due to Spelunking.
  7. Repeat.
Results
Infinite death triggers. Infinite ETB. Infinite landfall triggers. Infinite lifegain. Infinite lifegain triggers. Infinite LTB. Infinite mana lands you control can produce. Infinite sacrifice triggers. Infinite self-mill. Put all land cards from your library and graveyard onto the battlefield.

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