Priest of Fell Rites, Necrotic Ooze, Righteous Valkyrie, Maskwood Nexus, and Lightning Greaves

Prerequisites

• Priest of Fell Rites on the battlefield
• Necrotic Ooze in the graveyard
• Righteous Valkyrie on the battlefield
• Maskwood Nexus on the battlefield
• Lightning Greaves 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 Necrotic Ooze from your graveyard to the battlefield
3. When Necrotic Ooze enters the battlefield, Righteous Valkyrie's first ability triggers, causing you to gain life equal to Necrotic Ooze's toughness
4. Activate Lightning Greaves' equip ability by paying , attaching it to Necrotic Ooze
5. Activate Necrotic Ooze 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