Filigree Sages + Lotus Bloom + Prototype Portal + Training Grounds

U identity

Commander legal

The 4 combo pieces

• Filigree Sages
• Lotus Bloom
• Prototype Portal
• Training Grounds

How to execute it

1. Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Lotus Bloom.
2. Activate the Lotus Bloom token by tapping and sacrificing it, adding {U}{U}{U}.
3. Activate Filigree Sages by paying {U}, untapping Prototype Portal.
4. Repeat.

What the combo produces

• Infinite colored mana
• Infinite copies of a specific artifact
• Infinite mana artifacts you control can produce
• Infinite untap of artifacts you control