Bloodsoaked Champion, Golgari Germination, Pitiless Plunderer, and Phantom Train

Prerequisites

• Bloodsoaked Champion in the graveyard
• Golgari Germination on the battlefield
• Pitiless Plunderer on the battlefield
• Phantom Train on the battlefield

Steps

1. Activate Phantom Train by sacrificing Bloodsoaked Champion
2. When Bloodsoaked Champion dies, Pitiless Plunderer and Golgari Germination trigger, creating a creature token and a Treasure token
3. Resolve the Phantom Train ability
4. Activate Phantom Train by sacrificing the creature token
5. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token
6. Resolve the Phantom Train ability
7. Activate the Treasures by tapping and sacrificing them, adding
8. Activate Bloodsoaked Champion by paying , returning it from your graveyard to the battlefield
9. Repeat

Results

• Infinite artifact ETB
• Infinite artifact LTB
• Infinite artifact sacrifice triggers
• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite creature sacrifice triggers