Peregrine Drake + Saheeli, the Sun's Brilliance + Umbral Mantle

UR identity

Commander legal

The 3 combo pieces

What must be in place

Umbral Mantle attached to Saheeli.
Saheeli does not have summoning sickness.
You control up to five lands that can tap to produce at least {3}{U}{R}.

How to execute it

  1. Activate up to five lands by tapping them, adding at least {3}{U}{R}.
  2. Activate Saheeli by paying {U}{R} and tapping it, creating a token copy of Peregrine Drake with haste.
  3. When the token Peregrine Drake enters the battlefield, it triggers, untapping up to five lands.
  4. Repeat.

What the combo produces