Grand Architect + Pili-Pala

Mana needed: {U}

U identity

Commander legal

The 2 combo pieces

• Grand Architect
• Pili-Pala

How to execute it

1. Activate Grand Architect's first activated ability by paying {U}, making Pili-Pala blue until end of turn.
2. Activate Grand Architect's last ability by tapping Pili-Pala, adding {C}{C} that can only be spent to cast artifact spells or activate abilities of artifacts.
3. Activate Pili-Pala by paying {2} and untapping it, generating {U}.
4. Repeat from step 2 any number of times.

What the combo produces

• Infinite blue mana