How can you create a combo with Saffi Eriksdotter, Reveillark, Phyrexian Altar?
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[START OF COMBO]This combo can be formed with Saffi Eriksdotter, Reveillark, Phyrexian Altar

Color identity: GW
Mana cost: 
Steps:
  1. Activate Saffi by sacrificing it, targeting Reveillark.
  2. Activate Phyrexian Altar by sacrificing Reveillark, adding one mana of any color.
  3. When Reveillark dies, it and Saffi trigger.
  4. Resolve the Saffi trigger, returning Reveillark from your graveyard to the battlefield.
  5. Resolve the Reveillark trigger, returning Saffi from your graveyard to the battlefield.
  6. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite colored mana
  - 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
[END OF COMBO PREREQUISITES]
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