Bristly Bill, Spine Sower, Crystalline Crawler, and Chromatic Orrery

Prerequisites

• Bristly Bill, Spine Sower on the battlefield
• Crystalline Crawler on the battlefield
• Chromatic Orrery on the battlefield
• available

Steps

1. Activate Bristly Bill by paying , doubling the number of +1/+1 counters on creatures you control
2. Activate Crystalline Crawler three times by removing three +1/+1 counters from it, adding six that can only be spent to activate abilities
3. Repeat
4. Activate Bristly Bill by paying , doubling the number of +1/+1 counters on each creature you control
5. Activate Crystalline Crawler's first ability five times by removing five +1/+1 counters from it, adding
6. Repeat
7. If Crystalline Crawler has six or more +1/+1 counters on it to start the combo, this combo results in infinite colored mana

Results

• Infinite colored mana
• Infinite +1/+1 counters on creatures you control that have a +1/+1 counter on them