Elegant Edgecrafters, Nim Deathmantle, and Ashnod's Altar

Prerequisites

• Elegant Edgecrafters on the battlefield
• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Elegant Edgecrafters, adding
2. Elegant Edgecrafters dies, triggering Nim Deathmantle, causing you to pay to return Elegant Edgecrafters from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. Elegant Edgecrafters enters the battlefield, creating two 1/1 Servo creature tokens
4. Activate Ashnod's Altar by sacrificing a Servo, adding
5. Repeat

Results

• Infinite sacrifice triggers
• Infinite colorless mana
• Infinite creature tokens
• Infinite death triggers
• Infinite ETB
• Infinite LTB