How can you create a combo with Havi, the All-Father, Saffi Eriksdotter, Altar of Dementia?
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[START OF COMBO]This combo can be formed with Havi, the All-Father, Saffi Eriksdotter, Altar of Dementia

Color identity: RGW
Mana cost: 
Steps:
  1. Activate Saffi by sacrificing it, targeting Havi.
  2. When Saffi dies, Havi triggers, returning any legendary creature card with mana value 1 or less from your graveyard to the battlefield.
  3. Resolve the Saffi ability.
  4. Activate Altar of Dementia by sacrificing Havi.
  5. When Havi dies, it and Saffi trigger.
  6. Resolve the Havi trigger, returning Saffi from your graveyard to the battlefield.
  7. Resolve the Saffi trigger, returning Havi from your graveyard to the battlefield.
  8. Resolve the Altar of Dementia ability, causing target player to mill cards equal to Havi's power.
  9. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite enters the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite mill
  - Infinite self-mill[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
[END OF COMBO PREREQUISITES]
assistant