Axebane Guardian + Crab Umbra

GU identity

Commander legal

The 2 combo pieces

• Axebane Guardian
• Crab Umbra

What must be in place

You control at least four creatures with defender.

How to execute it

1. Activate Axebane Guardian by tapping it, adding at least {U}{U}{U}{U}.
2. Activate Crab Umbra by paying {2}{U}, untapping Axebane Guardian.
3. Repeat.

What the combo produces

• Infinite colored mana