Food Chain + Grolnok, the Omnivore + Me, the Immortal

Mana needed: {2}{G}{U}{R}, plus one mana of any of those colors and two mana of any other one of those colors

GUR identity

Commander legal

The 3 combo pieces

How to execute it

  1. Cast Me from exile by paying {2}{G}{U}{R}.
  2. Activate Food Chain by exiling Me, adding six {G}, {U} or {R} that can only be spent to cast creature spells.
  3. Repeat.

What the combo produces