How can you create a combo with Lathliss, Dragon Queen, Boneyard Scourge, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Lathliss, Dragon Queen, Boneyard Scourge, Phyrexian Altar

Color identity: BR
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing Boneyard Scourge, adding {1}.
  2. Activate Phyrexian Altar by sacrificing another Dragon, adding {B}.
  3. When the Dragon dies, Boneyard Scourge triggers, causing you to pay {1}{B} to return it from your graveyard to the battlefield.
  4. When Boneyard Scourge enters the battlefield, Lathliss triggers, creating a 5/5 Dragon creature token.
  5. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - All permanants must be on the battlefield
  - You control at least one additional Dragon.
[END OF COMBO PREREQUISITES]
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