Color Identity: U, R

Prerequisites

  1.  
    Corridor Monitor
    Corridor Monitor
    in your graveyard.
  2.  All other permanents on the battlefield.
  3. Goblin Welder
    Goblin Welder
    does not have summoning sickness.

Steps

  1. Activate
    Liquimetal Coating
    Liquimetal Coating
    by tapping it, causing
    Goblin Welder
    Goblin Welder
    to become an artifact in addition to its other types until end of turn.
  2. Activate
    Goblin Welder
    Goblin Welder
    by tapping it, sacrificing
    Dross Scorpion
    Dross Scorpion
    and returning
    Corridor Monitor
    Corridor Monitor
    from your graveyard to the battlefield.
  3. Dross Scorpion
    Dross Scorpion
    and
    Corridor Monitor
    Corridor Monitor
    trigger.
  4. Resolve the
    Dross Scorpion
    Dross Scorpion
    trigger, untapping
    Goblin Welder
    Goblin Welder
    .
  5. Holding priority, activate
    Goblin Welder
    Goblin Welder
    by tapping it, sacrificing
    Corridor Monitor
    Corridor Monitor
    and returning
    Dross Scorpion
    Dross Scorpion
    from your graveyard to the battlefield.
  6. Resolve the
    Corridor Monitor
    Corridor Monitor
    trigger from step 2, untapping
    Goblin Welder
    Goblin Welder
    .
  7. Repeat from step 2.

Results

  1. Infinite death triggers.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite sacrifice triggers.

Metadata

  1. In 5 decks according to EDHREC.
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