Crab Umbra + Arbor Adherent
Produces: Infinite colored mana
- Crab Umbra
- Arbor Adherent
- Color identity
- GU
Prerequisites
You control a creature with toughness 4 or greater.
Steps
- Activate Arbor Adherent by tapping it, adding at least {U}{U}{U}{U}.
- Activate Crab Umbra by paying {2}{U}, untapping Arbor Adherent.
- Repeat.