Goblin Welder
Intruder Alarm

   Prerequisites

What do I need to start this combo?
Goblin Welder and Intruder Alarm on the battlefield.
Goblin Welder does not have summoning sickness. You control at least one nontoken artifact creature. You have at least one artifact creature in your graveyard.

   Steps

How does this combo work?
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

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite mana creatures you control can produce
Infinite sacrifice triggers
Infinite untap of creatures
Infinite untap of creatures you control
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