Sun Titan, Unhallowed Pact, and Ashnod's Altar

Prerequisites

• Sun Titan on the battlefield
• Unhallowed Pact on the battlefield
• Ashnod's Altar on the battlefield
• Unhallowed Pact attached to Sun Titan

Steps

1. Sacrifice Sun Titan to Ashnod's Altar, generating
2. Unhallowed Pact triggers, returning Sun Titan to the battlefield
3. Sun Titan triggers, returning Unhallowed Pact to the battlefield

Results

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