Crystalline Crawler, Saving Grace, Vigor, and Scourge of Kher Ridges

Prerequisites

• Crystalline Crawler on the battlefield
• Saving Grace in hand
• Vigor on the battlefield
• Scourge of Kher Ridges on the battlefield
• You control at least one additional creature without flying
• 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 Scourge of Kher Ridges's first ability by paying , dealing 2 damage to each creature without flying
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 twice by removing at least two +1/+1 counters from it, adding at least
6. Repeat from step 3

Results

• Infinite +1/+1 counters on Crystalline Crawler
• Infinite colored mana
• Infinite damage to each creature your opponents control