Crab Umbra + Selvala, Heart of the Wilds

Mana needed: {G}

GU identity

Commander legal

The 2 combo pieces

What must be in place

Crab Umbra attached to Selvala.
You control a creature with power 4 or greater.
Selvala does not have summoning sickness.

How to execute it

  1. Activate Selvala by paying {G} and tapping it, adding at least {2}{G}{U}.
  2. Activate Crab Umbra by paying {2}{U}, untapping Selvala.
  3. Repeat.
  4. If you control a creature with power 5 or greater, this combo nets infinite colored mana.

What the combo produces