Dream Trawler + Evolution Witness + Thran Vigil

GWUB identity

Commander legal

The 3 combo pieces

• Dream Trawler
• Evolution Witness
• Thran Vigil

What must be in place

You have a creature or artifact card in your graveyard.
You have a way to put a +1/+1 counter on Evolution Witness.

How to execute it

1. Put a +1/+1 counter on Evolution Witness.
2. Evolution Witness triggers, returning an artifact or creature card from your graveyard to your hand.
3. Thran Vigil triggers. Holding priority, activate Dream Trawler by discarding an artifact or creature card.
4. Resolve the Thran Vigil ability, putting a +1/+1 counter on Evolution Witness.
5. Repeat from step 2.

What the combo produces

• Infinite +1/+1 counters on a creature
• Infinite self-discard triggers