Activate Fyndhorn Elves by tapping it, adding {G}.
Activate Selvala by paying {G} and tapping it, adding at least {3}{G}{G}{G}.
Activate Wirewood Symbiote by returning Fyndhorn Elves to your hand, untapping Selvala.
Activate Temur Sabertooth by paying {1}{G}, returning Wirewood Symbiote to your hand.
Cast Fyndhorn Elves by paying {G}.
Cast Wirewood Symbiote by paying {G}.
Repeat from step 2.

Infinite colored mana

Infinite creature ETB

Infinite creature LTB

Infinite storm count

Infinite blinking

Selvala, Heart of the Wilds

Temur Sabertooth

Wirewood Symbiote

Fyndhorn Elves

Activate Fyndhorn Elves by tapping it, adding {G}.
Activate Selvala by paying {G} and tapping it, adding at least {1}{G}{G}{G}.
Activate Wirewood Symbiote by returning Fyndhorn Elves to your hand, untapping Selvala.
Cast Fyndhorn Elves by paying {G}.
Fyndhorn Elves enters the battlefield, triggering Cloudstone Curio, returning Wirewood Symbiote to your hand.
Cast Wirewood Symbiote by paying {G}.
Wirewood Symbiote enters the battlefield, triggering Cloudstone Curio, returning nothing to your hand.
Repeat from step 2.

Cloudstone Curio

Activate Wirewood Channeler by tapping it, adding at least {G}{G}{G}{G}{G}.
Activate Wirewood Symbiote by returning Fyndhorn Elves from the battlefield to your hand, untapping Wirewood Channeler.
Activate Emiel by paying {3}, blinking Wirewood Symbiote.
Cast Fyndhorn Elves by paying {G}.
Repeat.

Emiel the Blessed

Wirewood Channeler

Activate Wirewood Channeler by tapping it, adding at least {G/U}{G/U}{G/U}{G/U}.
Activate Wirewood Symbiote by returning Fyndhorn Elves from the battlefield to your hand, untapping Wirewood Channeler.
Activate Wirewood Channeler by tapping it, adding at least {G/U}{G/U}{G/U}{G/U}.
Activate Wirewood Symbiote by paying {1}{U}, blinking itself.
Wirewood Symbiote enters the battlefield, triggering Deadeye Navigator's soulbond ability, repairing it and Wirewood Symbiote.
Cast Fyndhorn Elves by paying {G}.
Fyndhorn Elves enters the battlefield, triggering Deadeye Navigator's soulbond ability, choose not to pair them together.
Repeat from step 2.

Deadeye Navigator

Cast Tyvar by paying {2}{G}{G}, which enters with six loyalty counters due to Doubling Season.
Activate Tyvar's third loyalty ability by removing six loyalty counters from it.
Tyvar dies as a state-based action due to having zero loyalty.
Resolve the Tyvar ability, causing you to get an emblem.
Cast Elvish Mystic by paying {G}.
Tyvar's emblem triggers, causing the Elvish Mystic spell to gain haste, and you to draw two cards.
Elvish Mystic enters the battlefield, triggering Cloudstone Curio, returning Fyndhorn Elves from the battlefield to your hand.
Activate Elvish Mystic by tapping it, adding {G}.
Cast Fyndhorn Elves by paying {G}.
Tyvar's emblem triggers, causing the Fyndhorn Elves spell to gain haste, and you to draw two cards.
Fyndhorn Elves enters the battlefield, triggering Cloudstone Curio, returning Elvish Mystic from the battlefield to your hand.
Activate Fyndhorn Elves by tapping it, adding {G}.
Repeat from step 5.

Infinite card draw

Infinite draw triggers

Near-infinite creature ETB

Near-infinite creature LTB

Near-infinite storm count

Tyvar Kell

Doubling Season

Elvish Mystic

Cast Tyvar by paying {2}{G}{G}, which enters with six loyalty counters due to Doubling Season.
Activate Tyvar's third loyalty ability by removing six loyalty counters from it.
Tyvar dies as a state-based action due to having zero loyalty.
Resolve the Tyvar ability, causing you to get an emblem.
Cast Fyndhorn Elves by paying {G}.
Tyvar's emblem triggers, causing the Fyndhorn Elves spell to gain haste, and you to draw two cards.
Fyndhorn Elves enters the battlefield, triggering Cloudstone Curio, returning Llanowar Elves from the battlefield to your hand.
Activate Fyndhorn Elves by tapping it, adding {G}.
Cast Llanowar Elves by paying {G}.
Tyvar's emblem triggers, causing the Llanowar Elves spell to gain haste, and you to draw two cards.
Llanowar Elves enters the battlefield, triggering Cloudstone Curio, returning Fyndhorn Elves from the battlefield to your hand.
Activate Llanowar Elves by tapping it, adding {G}.
Repeat from step 5.

Llanowar Elves

Cast Tyvar by paying {2}{G}{G}, which enters with six loyalty counters due to Vorinclex.
Activate Tyvar's third loyalty ability by removing six loyalty counters from it.
Tyvar dies as a state-based action due to having zero loyalty.
Resolve the Tyvar ability, causing you to get an emblem.
Cast Fyndhorn Elves by paying {G}.
Tyvar's emblem triggers, causing the Fyndhorn Elves spell to gain haste, and you to draw two cards.
Fyndhorn Elves enters the battlefield, triggering Cloudstone Curio, returning Llanowar Elves from the battlefield to your hand.
Activate Fyndhorn Elves by tapping it, adding {G}.
Cast Llanowar Elves by paying {G}.
Tyvar's emblem triggers, causing the Llanowar Elves spell to gain haste, and you to draw two cards.
Llanowar Elves enters the battlefield, triggering Cloudstone Curio, returning Fyndhorn Elves from the battlefield to your hand.
Activate Llanowar Elves by tapping it, adding {G}.
Repeat from step 5.

Vorinclex, Monstrous Raider

Cast Tyvar by paying {2}{G}{G}, which enters with six loyalty counters due to Vorinclex.
Activate Tyvar's third loyalty ability by removing six loyalty counters from it.
Tyvar dies as a state-based action due to having zero loyalty.
Resolve the Tyvar ability, causing you to get an emblem.
Cast Elvish Mystic by paying {G}.
Tyvar's emblem triggers, causing the Elvish Mystic spell to gain haste, and you to draw two cards.
Elvish Mystic enters the battlefield, triggering Cloudstone Curio, returning Fyndhorn Elves from the battlefield to your hand.
Activate Elvish Mystic by tapping it, adding {G}.
Cast Fyndhorn Elves by paying {G}.
Tyvar's emblem triggers, causing the Fyndhorn Elves spell to gain haste, and you to draw two cards.
Fyndhorn Elves enters the battlefield, triggering Cloudstone Curio, returning Elvish Mystic from the battlefield to your hand.
Activate Fyndhorn Elves by tapping it, adding {G}.
Repeat from step 5.

Combos with "Fyndhorn Elves"