Crab Umbra + Deathbloom Ritualist

BGU identity

Commander legal

The 2 combo pieces

• Crab Umbra
• Deathbloom Ritualist

What must be in place

You have at least four creature cards in your graveyard.

How to execute it

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

What the combo produces

• Infinite colored mana