How can you create a combo with Priest of Fell Rites, Activated Sleeper, Righteous Valkyrie, Arcane Adaptation, Lightning Greaves?
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[START OF COMBO]This combo can be formed with Priest of Fell Rites, Activated Sleeper, Righteous Valkyrie, Arcane Adaptation, Lightning Greaves

Color identity: WUB
Mana cost: 
Steps:
  1. Activate Lightning Greaves' equip ability by paying {0}, attaching it to Priest of Fell Rites.
  2. 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.
  3. When Activated Sleeper enters the battlefield, Righteous Valkyrie's first ability triggers, causing you to gain life equal to Activated Sleeper's toughness.
  4. Activate Lightning Greaves' equip ability by paying {0}, attaching it to Activated Sleeper.
  5. Activate Activated Sleeper 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.[END OF COMBO STEPS]

Result:
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - Priest of Fell Rites must be on the battlefield
  - Activated Sleeper must be in the graveyard
  - Righteous Valkyrie must be on the battlefield
  - Arcane Adaptation must be on the battlefield
  - Lightning Greaves must be on the battlefield
  - Your life total is at least fifty.
  - "Angel" or "Cleric" chosen with Arcane Adaptation.
[END OF COMBO PREREQUISITES]
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