How can you create a combo with Jegantha, the Wellspring, Worldheart Phoenix, Thornbite Staff, Phyrexian Altar?
user
[START OF COMBO]This combo can be formed with Jegantha, the Wellspring, Worldheart Phoenix, Thornbite Staff, Phyrexian Altar

Color identity: WUBRG
Mana cost: 
Steps:
  1. Activate Jegantha by tapping it, adding {W}{U}{B}{R}{G} that cannot be spent to pay generic mana costs.
  2. Activate Phyrexian Altar by sacrificing Worldheart Phoenix, adding one mana of any color.
  3. Worldheart Phoenix dies, triggering Jegantha, untapping Jegantha.
  4. Cast Worldheart Phoenix from your graveyard by paying {W}{U}{B}{R}{G}.
  5. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - 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:
  - All permanants must be on the battlefield
  - Thornbite Staff attached to Jegantha.
  - Jegantha does not have summoning sickness.
[END OF COMBO PREREQUISITES]
assistant