Granite Witness + Phyrexian Altar + Skirk Alarmist + Yedora, Grave Gardener

RGWU identity

Commander legal

The 4 combo pieces

What must be in place

Skirk Alarmist does not have summoning sickness.

How to execute it

  1. Activate Phyrexian Altar by sacrificing Granite Witness, adding one mana of any color.
  2. When Granite Witness dies, Yedora triggers, returning Granite Witness from your graveyard to the battlefield face-down as a Forest land.
  3. Activate Granite Witness by tapping it, adding {G}.
  4. Activate Skirk Alarmist by tapping it, turning Granite Witness face-up.
  5. Granite Witness triggers, untapping Skirk Alarmist.
  6. Repeat.

What the combo produces