Heronblade Elite + Sword of the Paruns

G identity

Commander legal

The 2 combo pieces

What must be in place

Heronblade Elite does not have summoning sickness, and has power 4 or greater.
Sword of the Paruns attached to Heronblade Elite

How to execute it

  1. Activate Heronblade Elite by tapping it, adding at least four mana of any color.
  2. Activate Sword of the Paruns by paying {3}, untapping Heronblade Elite
  3. Repeat.

What the combo produces