the front side of Goblin Welder
the back of a classic MtG card
the front side of Corridor Monitor
the back of a classic MtG card
the front side of Dross Scorpion
the back of a classic MtG card
the front side of Liquimetal Torque
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Corridor Monitor in your graveyard.
  2.  All other permanents on the battlefield.

Notable Prerequisites

  1. Goblin Welder does not have summoning sickness.

Steps

  1. Activate Liquimetal Torque's second ability by tapping it, causing Goblin Welder to become an artifact in addition to its other types until end of turn.
  2. Activate Goblin Welder by tapping it, sacrificing Dross Scorpion and returning Corridor Monitor from your graveyard to the battlefield.
  3. Dross Scorpion and Corridor Monitor trigger.
  4. Resolve the Dross Scorpion trigger, untapping Goblin Welder.
  5. Holding priority, activate Goblin Welder by tapping it, sacrificing Corridor Monitor and returning Dross Scorpion from your graveyard to the battlefield.
  6. Resolve the Corridor Monitor trigger, untapping 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 10 decks according to EDHREC.
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