How can you create a combo with Gerrard, Weatherlight Hero, Phyrexian Altar, Fool's Demise?
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[START OF COMBO]This combo can be formed with Gerrard, Weatherlight Hero, Phyrexian Altar, Fool's Demise

Color identity: URW
Mana cost: 
Steps:
  1. Activate Phyrexian Altar six times by sacrificing Gerrard and five other creatures, adding {5}{U}.
  2. Gerrard dies, triggering its ability and Fool's Demise's first and second abilities.
  3. Resolve the first Fool's Demise trigger, returning Gerrard from your graveyard to the battlefield.
  4. Resolve the second Fool's Demise trigger, returning Fool's Demise from your graveyard to your hand.
  5. Resolve the Gerrard trigger, returning all artifact and creature cards put into your graveyard this turn to the battlefield.
  6. Cast Fool's Demise by paying {4}{U}, attaching it to Gerrard.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite blinking
  - 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
  - Fool's Demise attached to Gerrard.
  - You control at least five other creatures.
[END OF COMBO PREREQUISITES]
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