Bristly Bill, Spine Sower + Cryptic Trilobite + Gemstone Array

Mana needed: {3}{G}{G}

G identity

Commander legal

The 3 combo pieces

• Bristly Bill, Spine Sower
• Cryptic Trilobite
• Gemstone Array

How to execute it

1. Activate Bristly Bill by paying {3}{G}{G}, doubling the number of +1/+1 counters on creatures you control.
2. Activate Cryptic Trilobite four times by removing four +1/+1 counters from it, adding eight {C} that can only be spent to activate abilities.
3. Activate Gemstone Array's first ability twice by paying {4}, putting two charge counters on it.
4. Activate Gemstone Array's second ability twice by removing two charge counters from it, adding {G}{G}.
5. Repeat.

What the combo produces

• Infinite +1/+1 counters on certain creatures
• Infinite charge counters on a permanent
• Infinite colored mana
• Infinite colorless mana that can only be spent to activate abilities