Cast Emptiness for its evoke cost by paying {W}{W}.
When Emptiness enters, its first ability and evoke ability trigger.
Holding priority, activate Phyrexian Altar by sacrificing Emptiness, adding {W}.
Resolve Emptiness's evoke trigger, failing to sacrifice it as it's no longer on the battlefield.
Resolve Emptiness's first trigger, returning Dundoolin Weaver from your graveyard to the battlefield.
When Dundoolin Weaver enters, it triggers, returning Emptiness from your graveyard to your hand.
Activate Phyrexian Altar by sacrificing Dundoolin Weaver, adding {W}.
Repeat.

Infinite ETB

Infinite LTB

Infinite death triggers

Infinite sacrifice triggers

Infinite storm count

Emptiness

Phyrexian Altar

Dundoolin Weaver

Activate a mana-producing permanent by tapping it, adding at least {1}.
Activate Vizier of Tumbling Sands' cycling ability by paying {0} and discarding it due to New Perspectives.
Escape Protocol and Vizier of Tumbling Sands trigger.
Resolve the Vizier of Tumbing Sands trigger, untapping a mana-producing permanent.
Reoslve the Escape Protocol trigger, blinking Dundoolin Weaver.
When Dundoolin Weaver enters the battlefield, it triggers, returning Vizier of Tumbing Sands from your graveyard to your hand.
Resolve the cycling ability from step 2, causing you to draw a card.
Repeat.

Infinite card draw

Infinite draw triggers

Infinite self-discard triggers

Near-infinite ETB

Near-infinite LTB

Escape Protocol

Vizier of Tumbling Sands

New Perspectives

Activate Phyrexian Altar by sacrificing Dundoolin Weaver, adding {B}.
When Dundoolin Weaver dies, Kaya's Ghostform triggers, returning Dundoolin Weaver from your graveyard to the battlefield.
When Dundoolin Weaver enters the battlefield, it triggers, returning Kaya's Ghostform from your graveyard to your hand.
Cast Kaya's Ghostform by paying {B}, attaching it to Dundoolin Weaver.
Repeat.

Kaya's Ghostform

Activate the land's cycling ability by paying {1} and discarding it.
When you cycle the land, Escape Protocol and Bone Miser's second ability trigger.
Resolve Bone Miser's ability, adding {B}{B}.
Resolve Escape Protocol's ability, paying {1} to blink Dundoolin Weaver.
When Dundoolin Weaver enters, it triggers, returning the cycled land from your graveyard to your hand.
Resolve the activated ability from step 1, drawing a card.

Land with Cycling Cost that can be paid using one colored mana

Bone Miser

Activate the land's cycling ability by paying {0} due to Fluctuator and discarding it.
When you cycle the land, Escape Protocol and Surly Badgersaur trigger.
Resolve Surly Badgersaur's ability, creating a Treasure token.
Activate the Treasure token by tapping and sacrificing it, adding (1).
Resolve Escape Protocol's ability, paying {1} to blink Dundoolin Weaver.
When Dundoolin Weaver enters, it triggers, returning the cycled land from your graveyard to your hand.
Resolve the activated ability from step 1, drawing a card.

Fluctuator

Surly Badgersaur

Activate The Eternity Elevator by tapping it, adding at least twenty {U}
Activate Mind Over Matter by discarding Dundoolin Weaver.
Hashaton triggers, causing you to pay {2}{U} to create a tapped token copy of Dundoolin Weaver that is a 4/4 Zombie.
When the Dundoolin Weaver token enters the battlefield, it triggers, returning Dundoolin Weaver from your graveyard to your hand.
Resolve the Mind Over Matter ability, untapping The Eternity Elevator.
Repeat.

Combos with "Dundoolin Weaver"