Nim Deathmantle, Ashnod's Altar, and Sandstorm Salvager

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Sandstorm Salvager on the battlefield
• available

Steps

1. Activate Ashnod's Altar by sacrificing Sandstorm Salvager, adding
2. When Sandstorm Salvager dies, Nim Deathmantle triggers, causing you to pay to return Sandstorm Salvager from your graveyard to the battlefield and attach Nim Deathmantle to it
3. When Sandstorm Salvager enters, it triggers, creating a creature token
4. Activate Ashnod's Altar by sacrificing a creature token, adding
5. Repeat

Results

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers