Agatha's Soul Cauldron + Crystalline Crawler + Fertilid + Mossborn Hydra

Mana needed: {1}{G}

G identity

Commander legal

The 4 combo pieces

What must be in place

Mossborn Hydra has at least four +1/+1 counters on it.

How to execute it

  1. Activate Mossborn Hydra using Fertilid's ability by paying {1}{G} and removing a +1/+1 counter from it, causing you to search your library for a basic land card and put it onto the battlefield tapped.
  2. When the land enters the battlefield, Mossborn Hydra triggers, doubling the number of +1/+1 counters on it.
  3. Activate Mossborn Hydra twice using Crystalline Crawler's first ability by removing two +1/+1 counters from it, adding {1}{G}.
  4. Repeat until there are no basic lands in your library.

What the combo produces