Activate Sakura-Tribe Elder by sacrificing it.
When Sakura-Tribe Elder dies, Yedora triggers, returning Sakura-Tribe Elder from your graveyard to the battlefield face-down as a Forest land.
When Sakura-Tribe Elder enters the battlefield as a Forest land, Zimone triggers.
Holding priority, activate Sakura-Tribe Elder by tapping it, adding {G}.
Resolve the Zimone trigger, turning Sakura-Tribe Elder face-up if its not the first time the ability has resolved this turn, or causing you to manifest dread otherwise.
Resolve the Sakura-Tribe Elder ability from step 1, allowing you to search your library for a basic land card and put it onto the battlefield tapped.
When the land enters the battlefield, Zimone triggers, turning Sakura-Tribe Elder face-up if it is still face-down.
Repeat.

Infinite LTB

Infinite sacrifice triggers

Infinite death triggers

Infinite green mana

Infinite landfall triggers

Put all basic lands from your library onto the battlefield tapped

Zimone, Mystery Unraveler

Yedora, Grave Gardener

Sakura-Tribe Elder

Activate Sakura-Tribe Elder by sacrificing it, searching your library for a basic Plains and put it onto the battlefield tapped.
The Plains enters the battlefield, triggering Emeria Shepherd, returning Sakura-Tribe Elder from your graveyard to the battlefield.
Repeat.

Put all basic Plains from your library onto the battlefield

Emeria Shepherd

Activate Sakura-Tribe Elder by sacrificing it.
When Sakura-Tribe Elder dies, Luminous Broodmoth triggers, returning Sakura-Tribe Elder from your graveyard to the battlefield without a flying counter on it due to Solemnity.
Resolve the Sakura-Tribe Elder ability.
Repeat.

Infinite ETB

Solemnity

Luminous Broodmoth

Cast Sakura-Tribe Elder by paying its mana cost if it is in your hand. Otherwise, activate Tayam by paying {3} and removing three counters from creatures you control, causing you to mill three cards and return Sakura-Tribe Elder from your graveyard to the battlefield with a vigilance counter on it.
When Sakura-Tribe Elder enters the battlefield, Metastatic Evangel triggers, causing you to put a +1/+1 counter on Cryptic Trilobite and Basking Broodscale and a vigilance counter on Sakura-Tribe Elder.
Basking Broodscale triggers, creating a 0/1 Eldrazi Spawn creature token that enters with a vigilance counter on it.
Activate Cryptic Trilobite by removing a +1/+1 counter from it, adding {C}{C} that can only be spent to activate abilities.
Activate the Eldrazi Spawn by sacrificing it, adding {C}.
Activate Tayam by paying {3}, removing both vigilance counters from Sakura-Tribe Elder and another counter from a creature you control.
Holding priority, activate Sakura-Tribe Elder by sacrificing it.
Resolve the Tayam ability, causing you to mill three cards and return Sakura-Tribe Elder from your graveyard to the battlefield with a vigilance counter on it.
Repeat from step 2.
Repeat.

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