Gemstone Array + Pemmin's Aura + Vhal, Candlekeep Researcher

U identity

Commander legal

The 3 combo pieces

• Gemstone Array
• Pemmin's Aura
• Vhal, Candlekeep Researcher

What must be in place

Pemmin's Aura attached to Vhal.
Vhal does not have summoning sickness.

How to execute it

1. Activate Vhal by tapping it, adding at least {C}{C}{C} that cannot be spent to cast spells from your hand.
2. Activate Gemstone Array's first ability by paying {2}, putting a charge counter on it.
3. Activate Gemstone Array's second ability by removing a charge counter from it, adding {U}.
4. Activate Pemmin's Aura's first ability by paying {U}, untapping Vhal.
5. Repeat.

What the combo produces

• Infinite charge counters on a permanent
• Infinite colored mana
• Infinite colorless mana that can't be spent to cast spells from your hand