Byrke, Long Ear of the Law + Crystalline Crawler + Hellkite Charger

Prerequisites

• Crystalline Crawler has at least seven +1/+1 counters on it.
• Crystalline Crawler does not have summoning sickness.
• Crystalline Crawler and Hellkite Charger cannot be blocked and killed by an opponent.

Steps

1. 1Declare Crystalline Crawler and Hellkite Charger as attackers.
2. 2Byrke's second ability and Hellkite Charger trigger.
3. 3Resolve the Byrke trigger, doubling the number of +1/+1 counters on Crystalline Crawler.
4. 4Holding priority, activate Crystalline Crawler's first ability seven times by removing seven +1/+1 counters from it, adding .
5. 5Resolve the Hellkite Charger trigger, causing you to pay to untap all attacking creatures you control and to get an additional combat phase after this one.
6. 6Repeat each combat phase.
7. 7If Crystalline Crawler has at least eight +1/+1 counters on it, this combo nets infinite +1/+1 counter doubling.

Effects

• Infinite +1/+1 counters on certain creatures
• Infinite colored mana
• Infinite combat phases