Myr Retriever, Krark-Clan Ironworks, and Mirrorworks

Prerequisites

• Myr Retriever in hand
• Krark-Clan Ironworks on the battlefield
• Mirrorworks on the battlefield
• available

Steps

1. Cast Myr Retriever by paying
2. When Myr Retriever enters, Mirrorworks triggers
3. Holding priority, activate Krark-Clan Ironworks by sacrificing Myr Retriever, adding When Myr Retriever dies, it triggers, returning an artifact card from your graveyard to your hand
4. Resolve the Mirrorworks trigger, causing you to pay to create a token copy of Myr Retriever
5. Activate Krark-Clan Ironworks by sacrificing the Myr Retriever token, adding
6. When the Myr Retriever token dies, it triggers, returning the nontoken Myr Retriever from your graveyard to your hand
7. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite storm count
• Infinite death triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers