Forsaken Miner triggers when you commit the crime in step 1, causing you to pay ({B} magic symbol) to return it from your graveyard to the battlefield.
Kheru Goldkeeper triggers, creating a Treasure token.
Resolve the
Goblin Bombardment ability.
Activate the Treasure by tapping and sacrificing it, adding ({B} magic symbol) .
Repeat.
Results
Infinite LTB.
Infinite damage.
Infinite death triggers.
Infinite sacrifice triggers.
Infinite ETB.
Metadata
In 0 decks according to EDHREC.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).