Cavalier of Night, Glasspool Mimic // Glasspool Shore, and Thermopod

Prerequisites

• Cavalier of Night on the battlefield
• Glasspool Mimic // Glasspool Shore on the battlefield
• Thermopod on the battlefield

Steps

1. Activate Thermopod's second ability by sacrificing Glasspool Mimic, adding
2. When Glasspool Mimic dies, its second ability triggers, returning itself to the battlefield as a copy of Cavalier of Night
3. When Glasspool Mimic enters the battlefield, its first ability triggers, choose not to sacrifice a creature
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite red mana
• Infinite sacrifice triggers