Gandalf the White + Scrap Trawler + Myr Retriever + Krark-Clan Ironworks

Prerequisites

• You control a nontoken artifact with mana value one or less that can be cast using only colorless mana.

Steps

1. 1Activate Krark-Clan Ironworks twice by sacrificing the nontoken artifact with mana value one or less and Myr Retriever, adding .
2. 2When Myr Retriever dies, its ability triggers twice, returning Scrap Trawler and the nontoken artifact with mana one or less to your hand from your graveyard.
3. 3Cast Scrap Trawler and the nontoken artifact by paying at most .
4. 4Activate Krark-Clan Ironworks twice by sacrificing the nontoken artifact and Scrap Trawler, adding .
5. 5Scrap Trawler triggers twice for itself dying, and twice for the nontoken artifact.
6. 6Resolve the Scrap Trawler triggers for the nontoken artifact, returning any applicable artifact to your hand from your graveyard.
7. 7Resolve the remaining Scrap Trawler triggers, returning the nontoken artifact and Myr Retriever to your hand from your graveyard.
8. 8Cast the nontoken artifact and Myr Retriever by paying at most .
9. 9Repeat.

Effects

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count