Sydri, Galvanic Genius, Salvaging Station, Gemstone Array, and Ashnod's Altar

Prerequisites

• Sydri, Galvanic Genius on the battlefield
• Salvaging Station on the battlefield
• Gemstone Array 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 Gemstone Array by paying , putting a charge counter on it
6. Activate Gemstone Array by removing a charge counter from it, adding
7. Repeat

Results

• Infinite LTB
• Infinite sacrifice triggers
• Infinite death triggers