Sydri, Galvanic Genius, Salvaging Station, Prismite, and Ashnod's Altar

Prerequisites

• Sydri, Galvanic Genius on the battlefield
• Salvaging Station on the battlefield
• Prismite on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Salvaging Station by tapping it, returning the mana value 1 artifact from your graveyard to the battlefield
2. Activate Sydri's first ability by paying , causing the artifact to become an artifact creature until end of turn
3. Activate Ashnod's Altar by sacrificing the artifact, adding
4. When the artifact dies, Salvaging Station triggers, untapping Salvaging Station
5. Activate Prismite by paying , adding
6. Repeat

Results

• Infinite LTB
• Infinite sacrifice triggers
• Infinite death triggers