How can you create a combo with Last Laugh, Polyraptor, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Last Laugh, Polyraptor, Phyrexian Altar

Color identity: BG
Mana cost: 
Steps:
  1. Activate Phyrexian Altar by sacrificing another creature, adding one mana of any color.
  2. The creature dies, triggering Last Laugh, dealing 1 damage to each creature and each player.
  3. Polyraptor triggers, creating a token copy of itself.
  4. Activate Phyrexian Altar by sacrificing the damaged Polyraptor, adding one mana of any color.
  5. Repeat from step 2.[END OF COMBO STEPS]

Result:
  - Near-infinite colored mana
  - Near-infinite damage
  - Near-infinite death triggers
  - Near-infinite enters the battlefield
  - Near-infinite leaves the battlefield
  - Near-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 creature.
  - You have the highest life total.
[END OF COMBO PREREQUISITES]
assistant