Gandalf the White, Krark-Clan Ironworks, Myr Retriever, and Workshop Assistant

Prerequisites

• Gandalf the White on the battlefield
• Krark-Clan Ironworks on the battlefield
• Myr Retriever on the battlefield
• Workshop Assistant in your graveyard
• You control a nontoken artifact with mana value one or less that can be cast using only colorless mana

Steps

1. Activate Krark-Clan Ironworks twice by sacrificing the nontoken artifact with mana value one or less and Myr Retriever, adding
2. When Myr Retriever dies, its ability triggers twice, returning Workshop Assistant and the nontoken artifact with mana one or less to your hand from your graveyard
3. Cast Workshop Assistant and the nontoken artifact by paying at most
4. Activate Krark-Clan Ironworks twice by sacrificing the nontoken artifact and Workshop Assistant, adding
5. When Workshop Assistant dies, it triggers twice, returning the nontoken artifact and Myr Retriever to your hand from your graveyard
6. Cast the nontoken artifact and Myr Retriever by paying at most
7. Repeat

Results

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