Goblin Welder
Dross Scorpion
Biotransference

   Prerequisites

What do I need to start this combo?
All permanents on the battlefield.
Goblin Welder does not have summoning sickness. You control at least one other nontoken artifact creature. You have at least one artifact creature card 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
The sacrificed creature dies, triggering Dross Scorpion, untapping Goblin Welder.
3
Repeat.

   Results

What do I get from this combo?
Infinite death triggers
Infinite ETB
Infinite LTB
Infinite sacrifice triggers
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