Bloodsoaked Champion, Yahenni, Undying Partisan, Pitiless Plunderer, and The Skullspore Nexus

Prerequisites

• Bloodsoaked Champion in the graveyard
• Yahenni, Undying Partisan on the battlefield
• Pitiless Plunderer on the battlefield
• The Skullspore Nexus on the battlefield

Steps

1. Activate Yahenni by sacrificing Bloodsoaked Champion
2. When Bloodsoaked Champion dies, Pitiless Plunderer and The Skullspore Nexus trigger, creating a creature token and a Treasure token
3. Resolve the Yahenni ability
4. Activate Yahenni by sacrificing the creature token
5. When the creature token dies, Pitiless Plunderer triggers, creating a Treasure token
6. Resolve the Yahenni 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 ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers