Dulcet Sirens + Phyrexian Altar + Yedora, Grave Gardener

GU identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Phyrexian Altar by sacrificing Dulcet Sirens, adding {U}.
  2. When Dulcet Sirens dies, Yedora triggers, returning Dulcet Sirens from your graveyard to the battlefield face down as a Forest land.
  3. Activate Dulcet Sirens by tapping it, adding {G}.
  4. Activate Dulcet Sirens's morph ability by paying {U}, turning it face up.
  5. Repeat.

What the combo produces