Nim Deathmantle, Ashnod's Altar, and Orcish Bowmasters

Prerequisites

• Nim Deathmantle on the battlefield
• Ashnod's Altar on the battlefield
• Orcish Bowmasters on the battlefield
• available

Steps

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

Results

• Infinite damage
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers