the front side of Goblin Welder
the back of a classic MtG card
the front side of Intruder Alarm
the back of a classic MtG card

Color Identity: U, R

Initial Card State

  1.  Goblin Welder and Intruder Alarm on the battlefield.

Notable Prerequisites

  1. Goblin Welder does not have summoning sickness.
  2. You control at least one nontoken artifact creature.
  3. You have at least one artifact creature in your graveyard.

Steps

  1. Activate Goblin Welder by tapping it, sacrificing any artifact creature you control and returning any other artifact creature from your graveyard to the battlefield.
  2. Intruder Alarm triggers, untapping all creatures.
  3. Repeat.

Results

  1. Infinite death triggers.
  2. Infinite ETB.
  3. Infinite LTB.
  4. Infinite mana creatures you control can produce.
  5. Infinite sacrifice triggers.
  6. Infinite untap of all creatures.

Metadata

  1. In 741 decks according to EDHREC.
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