Scrap Trawler, Myr Retriever, Krark-Clan Ironworks, and Ballad of the Black Flag Combo

Scrap Trawler, Myr Retriever, Krark-Clan Ironworks, and Ballad of the Black Flag

Here's how the cards Scrap Trawler, Myr Retriever, Krark-Clan Ironworks, and Ballad of the Black Flag results in Infinite ETB, Infinite LTB, Infinite colorless mana, Infinite death triggers, Infinite sacrifice triggers, and Infinite storm count

Scrap Trawler

Myr Retriever

Krark-Clan Ironworks

Ballad of the Black Flag

Prerequisites

Scrap Trawler in the graveyard
Myr Retriever on the battlefield
Krark-Clan Ironworks on the battlefield
Ballad of the Black Flag in the graveyard

Steps

Activate Krark-Clan Ironworks by sacrificing Myr Retriever, adding
When Myr Retriever dies, it triggers, returning Scrap Trawler from your graveyard to your hand
Cast Scrap Trawler by paying its mana cost, which is reduced by Ballad of the Black Flag
Activate Krark-Clan Ironworks by sacrificing Scrap Trawler, adding
When Scrap Trawler dies, it triggers, returning Myr Retriever from your graveyard to your hand
Cast Myr Retriever by paying its mana cost, which is reduced by Ballad of the Black Flag
Repeat