Color Identity: G, W, U

Prerequisites

  1.  
    Rex, Cyber-Hound
    Rex     on the battlefield.
  2.  
    Trench Behemoth
    Trench Behemoth     and
    Llanowar Scout
    Llanowar Scout     in exile.
  3. You have at least one land card in hand.
  4. Rex, Cyber-Hound
    Rex     does not have summoning sickness.
  5. Trench Behemoth
    Trench Behemoth     and
    Llanowar Scout
    Llanowar Scout     exiled with brain counters on them.

Steps

  1. Activate
    Rex, Cyber-Hound
    Rex     using
    Llanowar Scout
    Llanowar Scout    's ability by tapping it, putting a land from your hand onto the battlefield.
  2. If the land is mana-producing and enters the battlefield untapped, you may activate it by tapping it, adding at least ({1} magic symbol)  .
  3. Activate
    Rex, Cyber-Hound
    Rex     using
    Trench Behemoth
    Trench Behemoth    's ability by returning the land from the battlefield to your hand, untapping
    Rex, Cyber-Hound
    Rex    .
  4. Repeat.

Results

  1. Infinite landfall triggers.
  2. Infinite mana lands you control that enter the battlefield untapped can produce.

Metadata

  1. In 0 decks according to EDHREC.
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