Lotus Field + Pemmin's Aura + Steward of the Harvest

GU identity

Commander legal

The 3 combo pieces

• Lotus Field
• Pemmin's Aura
• Steward of the Harvest

How to execute it

1. Activate the creature with Pemmin's Aura attached using Lotus Field's ability by tapping it, adding {U}{U}{U}.
2. Activate Pemmin's Aura by paying {U}, untapping the creature.
3. Repeat.

What the combo produces

• Infinite colored mana