Activate Ticking Gnomes by sacrificing it.
When Ticking Gnomes dies, Yedora triggers, returning Ticking Gnomes from your graveyard to the battlefield face-down as a Forest land.
When Ticking Gnomes enters the battlefield, Zimone triggers.
Holding priority, activate Ticking Gnomes by tapping it, adding {G}.
Resolve the Zimone trigger, turning Ticking Gnomes face-up.
Resolve the Ticking Gnomes ability from step 1.
Repeat.

Infinite LTB

Infinite sacrifice triggers

Infinite death triggers

Infinite damage

Infinite green mana

Infinite landfall triggers

Zimone, Mystery Unraveler

Yedora, Grave Gardener

Ticking Gnomes

Activate Ticking Gnomes by sacrificing it.
When Ticking Gnomes dies, its persist ability triggers, returning it from your graveyard to the battlefield without a -1/-1 counter on it due to Vizier of Remedies.
Resolve the Ticking Gnomes ability.
Repeat.

Infinite ETB

Eirdu, Carrier of Dawn // Isilu, Carrier of Twilight

Vizier of Remedies

Activate Ticking Gnomes by sacrificing it.
When Ticking Gnomes dies, Ratadrabik triggers, creating a token copy of Ticking Gnomes that is a 2/2 legendary Zombie in addition to its other types.
Resolve the Ticking Gnomes ability.
Repeat using the Ticking Gnomes token

Ratadrabik of Urborg

Leyline of Singularity

Activate a basic Swamp by tapping it, adding {B}.
Activate Kenrith's fifth ability by paying {B} due to Agatha, returning Ticking Gnomes from your graveyard to the battlefield.
Activate Earthcraft by tapping Ticking Gnomes, untapping the basic Swamp.
Activate Ticking Gnomes by sacrificing it.
Repeat.

Kenrith, the Returned King

Earthcraft

Agatha of the Vile Cauldron

Combos with "Ticking Gnomes"