Cryptolith Rite + Deeproot Pilgrimage + Leech Bonder

GU identity

Commander legal

The 3 combo pieces

What must be in place

There is at least one other targetable creature on the battlefield.
Leech Bonder does not have summoning sickness.

How to execute it

  1. Activate Leech Bonder by tapping it, adding {U}.
  2. Deeprot Pilgrimage triggers, creating a 1/1 Merfolk creature token.
  3. Activate Leech Bonder by paying {U} and untapping it, moving a counter from one creature to another creature.
  4. Repeat.

What the combo produces