Deadeye Navigator + Eternal Witness + Lion's Eye Diamond

GU identity

Commander legal

The 3 combo pieces

What must be in place

Deadeye Navigator paired with Eternal Witness.

How to execute it

  1. Activate Lion's Eye Diamond, sacrificing it to add {U}{U}{U}.
  2. Activate Eternal Witness's soulbond ability, exiling it and then returning it to the battlefield.
  3. Eternal Witness triggers on ETB, returning Lion's Eye Diamond to your hand.
  4. Deadeye Navigator triggers, pairing itself with Eternal Witness.
  5. Repeat for infinite blue mana.
  6. Once you have infinite blue mana, repeat for infinite colored mana and graveyard recursion.

What the combo produces