Color Identity: G

Initial Card State
- Petrified Field in hand.
- Echoing Deeps in your graveyard.
- All other permanents on the battlefield.
Notable Prerequisites
- You are able to play a land this turn.
Steps
- Play Petrified Field.
- When Petrified Field enters the battlefield, Kodama of the East Tree and Elfsworn Giant trigger.
- Resolve the Kodama of the East Tree trigger, putting nothing onto the battlefield.
- Holding priority, activate Petrified Field's second ability by tapping and sacrificing it, returning Echoing Deeps from your graveyard to your hand.
- Resolve the Elfsworn Giant trigger, creating a token.
- When the token enters the battlefield, Kodama of the East Tree triggers, putting Echoing Deeps from your hand onto the battlefield as a copy of Petrified Field.
- When Echoing Deeps enters the battlefield, Elfsworn Giant and Amulet of Vigor trigger.
- Resolve the Amulet of Vigor trigger, untapping Echoing Deeps.
- Holding priority, activate Echoing Deeps using Petrified Field's second ability by tapping and sacrificing it, returning Petrified Field from your graveyard to your hand.
- Resolve the Elfsworn Giant trigger, creating a token.
- When the token enters the battlefield, Kodama of the East Tree triggers, putting Petrified Field from your hand onto the battlefield.
- When Petrified Field enters the battlefield, Elfsworn Giant triggers.
- Repeat from step 4.
Results
- Infinite ETB.
- Infinite creature tokens.
- Infinite landfall triggers.
Bracket Tag
This combo has been estimated to be Exhibition (Bracket 1+).