Great Oak Guardian + Mana Echoes + Mycosynth Lattice + Saheeli, the Sun's Brilliance

Mana needed: {2}

GUR identity

Commander legal

The 4 combo pieces

What must be in place

Saheeli does not have summoning sickness.

How to execute it

  1. Activate Saheeli by paying {2} and tapping it, creating a token copy of Great Oak Guardian with haste.
  2. When the token Great Oak Guardian enters the battlefield, it and Mana Echoes trigger.
  3. Resolve the Great Oak Guardian trigger, untapping all creatures you control and giving them +2/+2 until end of turn.
  4. Resolve the Mana Echoes trigger, adding {C} for each creature you control that shares a creature type with Great Oak Guardian.
  5. Repeat.

What the combo produces