Faeburrow Elder + Phyrexian Altar + Thornbite Staff + Worldheart Phoenix

WUBRG identity

Commander legal

The 4 combo pieces

What must be in place

You control a blue and a black permanent.
Thornbite Staff attached to Faeburrow Elder.
Faeburrow Elder does not have summoning sickness.

How to execute it

  1. Activate Faeburrow Elder by tapping it, adding {W}{U}{B}{R}{G}.
  2. Activate Phyrexian Altar by sacrificing Worldheart Phoenix, adding one mana of any color.
  3. Worldheart Phoenix dies, triggering Faeburrow Elder, untapping Faeburrow Elder.
  4. Cast Worldheart Phoenix from your graveyard by paying {W}{U}{B}{R}{G}.
  5. Repeat.

What the combo produces