Pitiless Plunderer, Spawning Pit, and Primal Vigor

Prerequisites

• Pitiless Plunderer on the battlefield
• Spawning Pit on the battlefield
• Primal Vigor on the battlefield
• Spawning Pit has at least two charge counters
• available

Steps

1. Activate Spawning Pit's second ability by paying and removing two charge counters from it, creating two 2/2 Spawn artifact creature tokens
2. Activate Spawning Pit's first ability twice by sacrificing both Spawns
3. The Spawns die, triggering Pitiless Plunderer twice, creating two Treasure tokens
4. Resolve both Spawning Pit abilities, putting two charge counters on it
5. Activate a Treasure by tapping and sacrificing it, adding
6. Repeat

Results

• Infinite colored mana
• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite Treasure tokens