How can you create a combo with Bishop of Wings, Breath of Fury, Urabrask the Hidden, Xenograft?
user
[START OF COMBO]This combo can be formed with Bishop of Wings, Breath of Fury, Urabrask the Hidden, Xenograft

Color identity: URW
Mana cost: 
Steps:
  1. Deal combat damage using the creature that has Breath of Fury attached.
  2. Breath of Fury triggers, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to any other creature you control, then causing you to untap all creatures you control and to get an additional combat phase after this one.
  3. When the creature that had Breath of Fury attached dies as an Angel due to Xenograft, Bishop of Wings' second ability triggers, creating a 1/1 Spirit creature token.
  4. When the Spirit enters the battlefield as an Angel due to Xenograft, Bishop of Wings' first ability triggers, causing you to gain 4 life.
  5. Repeat each combat phase.[END OF COMBO STEPS]

Result:
  - Infinite combat damage
  - Infinite combat phases
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite lifegain
  - Infinite lifegain triggers
  - Infinite leaves the battlefield
  - Infinite mana creatures you control can produce
  - Infinite sacrifice triggers
  - Infinite untap of creatures you control[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Breath of Fury attached to any other creature you control.
  - You control at least one additional creature.
  - An opponent cannot block creatures you control.
  - "Angel" chosen with Xenograft.
[END OF COMBO PREREQUISITES]
assistant