How can you create a combo with Yedora, Grave Gardener, Granite Witness, Skirk Alarmist, Extruder?
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[START OF COMBO]This combo can be formed with Yedora, Grave Gardener, Granite Witness, Skirk Alarmist, Extruder

Color identity: RGWU
Mana cost: 
Steps:
  1. Activate Extruder by sacrificing Granite Witness.
  2. When Granite Witness dies, Yedora triggers, returning Granite Witness from your graveyard to the battlefield face-down as a Forest land.
  3. Resolve the Extruder ability, putting a +1/+1 counter on a creature you control.
  4. Activate Granite Witness by tapping it, adding {G}.
  5. Activate Skirk Alarmist by tapping it, turning Granite Witness face-up.
  6. Granite Witness triggers, untapping Skirk Alarmist.
  7. Repeat.[END OF COMBO STEPS]

Result:
  - Infinite leaves the battlefield
  - Infinite sacrifice triggers
  - Infinite death triggers
  - Infinite green mana
  - Infinite +1/+1 counters
  - Infinite landfall triggers[END OF COMBO RESULT][END OF COMBO]

Other prerequisites:
  - All permanants must be on the battlefield
  - Skirk Alarmist does not have summoning sickness.
[END OF COMBO PREREQUISITES]
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