Bright-Palm, Soul Awakener, Crystalline Crawler, and Aggravated Assault

Prerequisites

• Bright-Palm, Soul Awakener on the battlefield
• Crystalline Crawler on the battlefield
• Aggravated Assault on the battlefield
• Crystalline Crawler has at least six +1/+1 counters on it
• Bright-Palm does not have summoning sickness and cannot be blocked and killed by an opponent

Steps

1. Declare Bright-Palm as an attacker
2. Bright-Palm triggers, doubling the number of +1/+1 counters on Crystalline Crawler
3. Move to your postcombat main phase
4. Activate Crystalline Crawler's first ability five times by removing five +1/+1 counters from it, adding
5. Activate Aggravated Assault by paying , causing you to untap all creatures you control and to get an additional combat and main phase after this one
6. Repeat

Results

• Infinite +1/+1 counter doubling
• Infinite colored mana
• Infinite combat phases