Body Double, Lightning Greaves, Maskwood Nexus, Priest of Fell Rites, and Righteous Valkyrie

Prerequisites

• Body Double in your graveyard
• Lightning Greaves on the battlefield
• Maskwood Nexus on the battlefield
• Priest of Fell Rites on the battlefield
• Righteous Valkyrie on the battlefield
• Your life total is at least fifty

Steps

1. Activate Lightning Greaves' equip ability by paying , attaching it to Priest of Fell Rites
2. Activate Priest of Fell Rites by paying three life, tapping and sacrificing it, returning Body Double from your graveyard to the battlefield as a copy of Priest of Fell Rites
3. When Body Double enters the battlefield, Righteous Valkyrie's first ability triggers, causing you to gain life equal to Body Double's toughness
4. Activate Lightning Greaves' equip ability by paying , attaching it to Body Double
5. Activate Body Double by paying three life, tapping and sacrificing it, returning Priest of Fell Rites from your graveyard to the battlefield
6. When Priest of Fell Rites enters the battlefield, Righteous Valkyrie's first ability triggers, causing you to gain life equal to Priest of Fell Rites' toughness
7. Repeat

Results

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