Crystalline Crawler, Saving Grace, Vigor, and Pyrohemia

Prerequisites

• Crystalline Crawler on the battlefield
• Saving Grace in hand
• Vigor on the battlefield
• Pyrohemia on the battlefield
• available

Steps

1. Cast Saving Grace by paying
2. Saving Grace enters the battlefield attached to Crystalline Crawler, triggering itself, causing all damage that would be dealt to you or permanents you control this turn to be dealt to Crystalline Crawler instead
3. Activate Pyrohemia by paying , dealing 1 damage to each creature and each player
4. Saving Grace's ability redirects damage to Crystalline Crawler, which results in at least three +1/+1 counters being placed on it instead due to Vigor
5. Activate Crystalline Crawler's first activated ability at least once by removing a +1/+1 counter from it, adding at least
6. Repeat from step 3

Results

• Infinite +1/+1 counters on Crystalline Crawler
• Infinite colored mana
• Infinite damage
• Near-infinite +1/+1 counters on all other creatures you control
• Near-infinite damage