Salvaging Station, Karn, Silver Golem, and Mana Crypt

Prerequisites

• Salvaging Station on the battlefield
• Karn, Silver Golem on the battlefield
• Mana Crypt on the battlefield

Steps

1. Tap Crypt to add to your mana pool
2. Pay Karn's ability on Mana Crypt to make it a 0/0 Artifact Creature
3. Crypt dies, triggering Station's untap trigger
4. Tap Station to return Mana Crypt to the battlefield
5. You have floating
6. Repeat until you have enough colorless mana

Results

• Infinite colorless mana
• Infinite death triggers
• Infinite ETBs
• Infinite LTB