Requires

Volo, Guide to Monsters must be on the battlefield. Food Chain must be on the battlefield. Aven Surveyor must be in hand. You do not control another Bird or Scout or have a Bird or Scout in your graveyard. Mana needed:

Steps

1. Cast Aven Surveyor by paying .
2. Volo triggers, creating a copy of the Aven Surveyor spell.
3. The Aven Surveyor copy enters, triggering itself.
4. Holding priority, activate Food Chain by exiling the Aven Surveyor token, adding that can only be spent on creature spells.
5. Aven Surveyor enters the battlefield, returning itself to your hand.
6. Repeat.

Results