Summoning Station, Pitiless Plunderer, and Spawning Pit

Prerequisites

• Summoning Station on the battlefield
• Pitiless Plunderer on the battlefield
• Spawning Pit on the battlefield

Steps

1. Activate Summoning Station by tapping it, creating a 2/2 Pincher creature token
2. Activate Spawning Pit by sacrificing the Pincher
3. When the Pincher dies, Pitiless Plunderer triggers, creating a Treasure token
4. Resolve the Spawning Pit ability
5. Activate the Treasure by tapping and sacrificing it, adding one mana of any color
6. Summoning Station triggers, untapping it
7. Repeat

Results

• Infinite Treasure tokens
• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite artifact tokens
• Infinite charge counters on a permanent
• Infinite colored mana
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite creature tokens
• Infinite death triggers