How can you create a combo with Thornbite Staff, Psionic Gift, Rune of Mortality?
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[START OF COMBO]This combo can be formed with Thornbite Staff, Psionic Gift, Rune of Mortality

Color identity: UB
Mana cost: 
Steps:
  1. Activate the creature by tapping it, dealing damage to an opponent's creature.
  2. The opponent's creature dies due to deathtouch, triggering the second ability granted by Thornbite Staff, untapping your creature.
  3. Repeat until all opponents' creatures die.
  4. Repeat each time a creature enters the battlefield under an opponent's control.[END OF COMBO STEPS]

Result:
  - Destroy all creatures opponents control
  - Destroy all creatures opponents control whenever a creature enters the battlefield[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - All Equipments and/or Auras attached to the same creature.
  - That creature does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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