Scrap Trawler + Myr Retriever + Krark-Clan Ironworks + Sol Ring + Junk Diver

Scrap Trawler
Myr Retriever
Krark-Clan Ironworks
Sol Ring
Junk Diver

Requires
Sol Ring and Junk Diver in your graveyard. All other permanents on the battlefield.
Steps
  1. Activate Krark-Clan Ironworks by sacrificing Myr Retriever, adding cc
  2. Myr Retriever dies, triggering itself and Scrap Trawler
  3. Resolve the Myr Retriever trigger, returning Junk Diver from your graveyard to your hand
  4. Resolve the Scrap Trawler trigger, returning Sol Ring from your hand to your graveyard
  5. Cast Sol Ring by paying 1
  6. Activate Sol Ring by tapping it, adding cc
  7. Activate Krark-Clan Ironworks by sacrificing Sol Ring, adding cc
  8. Scrap Trawler triggers, choose not to return an artifact to your hand
  9. Cast Junk Diver by paying 3
  10. Activate Krark-Clan Ironworks by sacrificing Junk Diver, adding cc
  11. Junk Diver dies, triggering itself and Scrap Trawler
  12. Resolve the Junk Diver trigger, returning Myr Retriever from your graveyard to your hand
  13. Resolve the Scrap Trawler trigger, returning Sol Ring from your graveyard to your hand
  14. Repeat steps 5-8 one additional time
  15. Cast Myr Retriever by paying 2
  16. Repeat from step 1
Results
Infinite colorless mana. Infinite ETB. Infinite LTB. Infinite death triggers. Infinite sacrifice triggers. Infinite storm count. Infinite blinking of artifacts you control with mana value zero.