How can you create a combo with Impromptu Raid, Mortuary, Ashnod's Altar, Burning-Tree Emissary?
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[START OF COMBO]This combo can be formed with Impromptu Raid, Mortuary, Ashnod's Altar, Burning-Tree Emissary

Color identity: BRG
Mana cost: {R/G}
Steps:
  1. Activate Ashnod's Altar by sacrificing Burning-Tree Emissary, adding {C}{C}.
  2. When Burning-Tree Emissary dies, Mortuary triggers, putting Burning-Tree Emissary on top of your library from your graveyard.
  3. Actviate Impromptu Raid by paying {2}{R/G}, revealing Burning-Tree Emissary from the top of your library and putting it onto the battlefield.
  4. When Burning-Tree Emissary enters the battlefield, it triggers, adding {R}{G}.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colorless mana
  - Infinite death triggers
  - Infinite enters the battlefield
  - Infinite green mana
  - Infinite leaves the battlefield
  - Infinite red mana
  - Infinite sacrifice triggers[END OF COMBO RESULT][END OF COMBO]

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