Warren Soultrader, Pitiless Plunderer, Bloodsoaked Champion, and Proper Burial

Prerequisites

• Warren Soultrader on the battlefield
• Pitiless Plunderer on the battlefield
• Bloodsoaked Champion in the graveyard
• Proper Burial on the battlefield

Steps

1. Activate Warren Soultrader by paying 1 life and sacrificing Bloodsoaked Champion
2. When Bloodsoaked Champion dies, Proper Burial and Pitiless Plunderer trigger
3. Resolve the Proper Burial trigger, causing you to gain life
4. Resolve the Pitiless Plunderer trigger, creating a Treasure token
5. Resolve the Warren Soultrader ability, creating a Treasure token
6. Activate the Treasures by tapping and sacrificing them, adding
7. Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield
8. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers
• Infinite lifegain