How can you create a combo with Goldvein Hydra, Enduring Renewal, Amulet of Vigor, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Goldvein Hydra, Enduring Renewal, Amulet of Vigor, Phyrexian Altar

Color identity: GW
Mana cost: {1}{G}
Steps:
  1. Cast Goldvein Hydra by paying {1}{G}.
  2. Activate Phyrexian Altar by sacrificing Goldvein Hydra, adding {1}.
  3. When Goldvein Hydra dies, it and Enduring Renewal trigger.
  4. Resolve the Enduring Renewal trigger, returning Goldvein Hydra from your graveyard to your hand.
  5. Resolve the Goldvein Hydra trigger, creating a tapped Treasure token.
  6. When the token enters the battlefield, Amulet of Vigor triggers, untapping it.
  7. Activate the Treasure by tapping and sacrificing it, adding {G}.
  8. Repeat.[END OF COMBO STEPS]

Result:
  - 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:
  - Goldvein Hydra must be in your hand
  - Enduring Renewal must be on the battlefield
  - Amulet of Vigor must be on the battlefield
  - Phyrexian Altar must be on the battlefield
[END OF COMBO PREREQUISITES]
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