Tawnos, the Toymaker, Junk Diver, and Ashnod's Altar

Prerequisites

• Tawnos, the Toymaker on the battlefield
• Junk Diver in hand
• Ashnod's Altar on the battlefield
• available

Steps

1. Cast Junk Diver by paying
2. Tawnos triggers, copying the Junk Diver spell
3. Both Junk Divers enter the battlefield
4. Activate Ashnod's Altar by sacrificing the nontoken Junk Diver, adding
5. Junk Diver dies, returning any other artifact card from your graveyard to your hand
6. Activate Ashnod's Altar by sacrificing the Junk Diver token, adding
7. The Junk Diver token dies, returning Junk Diver from your graveyard to your hand
8. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite storm count
• Return all artifacts from your graveyard to your hand