Crystalline Crawler, Gideon's Sacrifice, Vigor, and Scourge of Kher Ridges

Prerequisites

• Crystalline Crawler on the battlefield
• Gideon's Sacrifice 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 Gideon's Sacrifice by paying , causing all damage that would be dealt this turn to you or to permanents you control to be dealt to Crystalline Crawler instead
2. Activate Scourge of Kher Ridges's first ability by paying , dealing 2 damage to each creature without flying
3. Gideon's Sacrifice redirects damage to Crawler, which results in at least three +1/+1 counters being placed on it instead due to Vigor
4. Activate Crystalline Crawler's first activated ability at least twice by removing at least two +1/+1 counters from it, adding at least
5. Repeat from step 2

Results

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