How can you create a combo with Encroaching Mycosynth, Archaeomancer, Open the Vaults, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Encroaching Mycosynth, Archaeomancer, Open the Vaults, Phyrexian Altar

Color identity: WU
Mana cost: {4}{W}{W}
Steps:
  1. Cast Open the Vaults by paying {4}{W}{W}, returning all nonland permanents from your graveyard to the battlefield.
  2. Archaeomancer enters the battlefield, returning Open the Vaults from your graveyard to your hand.
  3. Activate Phyrexian Altar seven times by sacrificing Archaeomancer and six other creatures, adding seven {W}.
  4. Repeat.[END OF COMBO STEPS]

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

Other prerequisites:
  - Encroaching Mycosynth must be on the battlefield
  - Archaeomancer must be in the graveyard
  - Open the Vaults must be in your hand
  - Phyrexian Altar must be on the battlefield
  - At least six additional creatures in graveyard and/or on the battlefield.
[END OF COMBO PREREQUISITES]
assistant