Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Vault of Whispers.
The Vault of Whispers token enters, triggering Grinding Station, untapping Grinding Station.
Activate Clock of Omens by tapping the Vault of Whispers token and Grinding Station, untapping Prototype Portal.
Repeat.

Infinite landfall triggers

Infinite tapped land tokens

Prototype Portal

Clock of Omens

Grinding Station

Vault of Whispers

Activate Vault of Whispers by tapping it, creating a Food and a Treasure artifact token.
Activate Clock of Omens by tapping the Food and Treasure, untapping Vault of Whispers.
Repeat.

Infinite tapped Food tokens

Infinite tapped Treasure tokens

Infinite card draw

Infinite draw triggers

Peregrin Took

Bootleggers' Stash

Activate Vault of Whispers by tapping it, adding {B}.
Activate Karn by paying {1}, causing Vault of Whispers to become a creature until end of turn.
Vault of Whispers dies as a state-based action due to having 0 toughness, triggering Salvaging Station, untapping Salvaging Station.
Activate Salvaging Station by tapping it, returning Vault of Whispers from your graveyard to the battlefield.
Repeat.

Infinite LTB

Infinite death triggers

Karn, Silver Golem

Salvaging Station

Activate Lotus Bloom by tapping and sacrificing it, adding {W}{W}{W}.
Cast Sculpting Steel by paying {3}, having it enter the battlefield as a copy of Vault of Whispers.
Activate Sculpting Steel by tapping it, adding {B}.
Activate Tameshi's second ability by paying {W} and returning Sculpting Steel from the battlefield to your hand.
If it has not triggered this turn, Tameshi's first ability triggers, causing you to draw a card.
Resolve Tameshi's second ability, returning Lotus Bloom from your graveyard to the battlefield.
Repeat.

Infinite storm count

Tameshi, Reality Architect

Sculpting Steel

Lotus Bloom

Activate Lotus Bloom by tapping and sacrificing it, adding {W}{W}{W} or {U}{U}{U}.
Cast Copy Artifact by paying {1}{U}, having it enter the battlefield as a copy of Vault of Whispers.
Activate Copy Artifact by tapping it, adding {B}.
Activate Tameshi's second ability by paying {W} and returning Copy Artifact from the battlefield to your hand, returning Lotus Bloom from your graveyard to the battlefield.
Repeat.

Infinite colored mana

Copy Artifact

Activate Prototype Portal by paying {0}, creating a token copy of Vault of Whispers.
When the Vault of Whispers token enters the battlefield, Battered Golem triggers, untapping itself.
Activate Clock of Omens by tapping Battered Golem and the Vault of Whispers token, untapping Prototype Portal.
Repeat.

Infinite tapped Mountain tokens

Infinite tapped Island tokens

Infinite tapped Forest tokens

Infinite tapped Plains tokens

Infinite tapped Swamp tokens

Infinite tapped copies of a specific land

Battered Golem

Activate Prototype Portal by paying {0} and tapping it, creating a token copy of Vault of Whispers.
The Vault of Whispers token enters the battlefield, triggering Toggo, creating a Rock artifact equipment token.
Activate Clock of Omens by tapping the Vault of Whispers token and the Rock token, untapping Prototype Portal.
Repeat.

Infinite tapped Rock tokens

Toggo, Goblin Weaponsmith

Activate Lotus Bloom by tapping and sacrificing it, adding {W}{W}{W} or {U}{U}{U}.
Cast Mirrormade by paying {1}{U}{U}, having it enter the battlefield as a copy of Vault of Whispers.
Activate Mirrormade by tapping it, adding {B}.
Activate Tameshi's second ability by paying {W} and returning Mirrormade from the battlefield to your hand, returning Lotus Bloom from your graveyard to the battlefield.
Repeat.

Mirrormade

Activate Prototype Portal by tapping it, creating a token copy of Vault of Whispers.
When the Vault of Whispers token enters the battlefield, Retreat to Coralhelm triggers, untapping Prototype Portal.
Repeat.

Infinite Forest tokens

Infinite Plains tokens

Infinite Island tokens

Infinite Mountain tokens

Infinite Swamp tokens

Infinite copies of a specific land

Retreat to Coralhelm

Ensoul Artifact

Activate Tawnos' second ability by paying {1}{W}{U}{B}, tapping it, sacrificing two artifact tokens and exiling Vault of Whispers from your graveyard, causing you to create a token of Vault of Whispers.
When the Vault of Whispers token enters the battlefield, Retreat to Coralhelm triggers, untapping Tawnos.
Activate the Vault of Whispers token by tapping it, adding {B}.
Caged Sun triggers, adding {B}.
Activate Tawnos' first ability by paying {2} and tapping it, creating a copy of the Vault of Whispers token and causing you to mill two cards.
Repeat from step 2.

Infinite self-mill

Tawnos, Solemn Survivor

Caged Sun

Combos with "Vault of Whispers"