Crystalline Crawler + Meticulous Excavation + Railway Brawler

Mana needed: {4} available in at least three different colors

GW identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Crystalline Crawler by paying {4}, ensuring to spend at least three different colors of mana to cast it, causing Crystalline Crawler to enter the battlefield with at least three +1/+1 counters on it.
  2. When Crystalline Crawler enters the battlefield, Railway Brawler triggers, putting four +1/+1 counters on it.
  3. Activate Crystalline Crawler's first ability by removing all +1/+1 counters from it, adding {W}{U}{B}{R}{G} and the remaining mana in any combination of color(s).
  4. Activate Meticulous Excavation by paying {2}{W}, returning Crystalline Crawler to your hand from the battlefield.
  5. Repeat.

What the combo produces