Warren Soultrader, Pitiless Plunderer, Bloodsoaked Champion, and Sifa Grent

Prerequisites

• Warren Soultrader on the battlefield
• Pitiless Plunderer on the battlefield
• Bloodsoaked Champion on the battlefield
• Sifa Grent on the battlefield

Steps

1. Activate Warren Soultrader by paying 1 life and sacrificing Bloodsoaked Champion
2. When Bloodsoaked Champion dies, Sifa Grent and Pitiless Plunderer trigger
3. Resolve the Sifa Grent trigger, causing you to gain 1 life and target opponent to lose 1 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 lifeloss