Karn, Silver Golem, Salvaging Station, and Ashnod's Altar

Prerequisites

• Karn, Silver Golem on the battlefield
• Salvaging Station on the battlefield
• Ashnod's Altar on the battlefield
• You control a noncreature artifact with mana value equal to one
• available

Steps

1. Activate Karn by paying , causing any noncreature artifact with mana value one to become a 1/1 artifact creature until end of turn
2. Activate Ashnod's Altar by sacrificing the artifact, adding
3. The artifact dies, triggering Salvaging Station, untapping Salvaging Station
4. Activate Salvaging Station by tapping it, returning the noncreature artifact from your graveyard to the battlefield
5. Repeat

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite LTB
• Infinite sacrifice triggers