Skittering Precursor, Sword of the Meek, Raiders' Spoils, and Krark-Clan Ironworks

Prerequisites

• Skittering Precursor on the battlefield
• Sword of the Meek on the battlefield
• Raiders' Spoils on the battlefield
• Krark-Clan Ironworks on the battlefield

Steps

1. Activate Krark-Clan Ironworks by sacrificing Sword of the Meek, adding Skittering Precursor triggers, creating a 0/1 Eldrazi Spawn creature token
2. When the Eldrazi Spawn enters the battlefield as a 1/1 due to Raiders' Spoils, Sword of the Meek triggers, returning Sword of the Meek from your graveyard to the battlefield attached to the Eldrazi Spawn
3. Repeat

Results

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