Gwenna, Eyes of Gaea + Kinnan, Bonder Prodigy + Umbral Mantle

GU identity

Commander legal

The 3 combo pieces

What must be in place

Umbral Mantle attached to Gwenna.
Gwenna does not have summoning sickness.

How to execute it

  1. Activate Gwenna by tapping it, adding {2} that can only be spent to cast creature spells or activate abilities of creatures.
  2. Kinnan triggers, adding {1}.
  3. Activate Gwenna by paying {3} and untapping it, giving itself +2/+2 until end of turn.
  4. Repeat.

What the combo produces