Activate Lightning Greaves' equip ability by paying ({0} magic symbol) , attaching it to Priest of Fell Rites.
Activate Priest of Fell Rites by paying three life, tapping and sacrificing it, returning Activated Sleeper from your graveyard to the battlefield as a copy of Priest of Fell Rites.
When Activated Sleeper enters the battlefield, Righteous Valkyrie's first ability triggers, causing you to gain life equal to Activated Sleeper's toughness.
Activate Lightning Greaves' equip ability by paying ({0} magic symbol) , attaching it to Activated Sleeper.
Activate Activated Sleeper by paying three life, tapping and sacrificing it, returning Priest of Fell Rites from your graveyard to the battlefield.
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.