How can you create a combo with Mortuary, Experimental Frenzy, Priest of Urabrask, Ashnod's Altar?
user
[START OF COMBO]This combo can be formed with Mortuary, Experimental Frenzy, Priest of Urabrask, Ashnod's Altar

Color identity: BR
Mana cost: {R}
Steps:
  1. Activate Ashnod's Altar by sacrificing Priest of Urabrask, adding {C}{C}.
  2. When Priest of Urabrask dies, Mortuary triggers, putting Priest of Urabrask on top of your library from your graveyard.
  3. Cast Priest of Urabrask from the top of your library by paying {2}{R}.
  4. When Priest of Urabrask enters the battlefield, it triggers, adding {R}{R}{R}.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite black mana
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite storm count[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant