Gluttonous Troll, Nim Deathmantle, Krark-Clan Ironworks, and Phyrexian Altar

Prerequisites

• Gluttonous Troll on the battlefield
• Nim Deathmantle on the battlefield
• Krark-Clan Ironworks on the battlefield
• Phyrexian Altar on the battlefield
• You have at least two opponents
• available

Steps

1. Activate Phyrexian Altar by sacrificing Gluttonous Troll, adding one mana of any color
2. Gluttonous Troll dies, triggering Nim Deathmantle, causing you to pay to return Gluttonous Troll from your graveyard to the battlefield, and attach Nim Deathmantle to it
3. When Gluttonous Troll enters the battlefield, it triggers, creating at least two Food artifact tokens
4. Activate Krark-Clan Ironworks twice by sacrificing the Foods, adding
5. Repeat

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite death triggers
• Infinite ETB
• Infinite Food tokens
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers