Activate Fleetwheel Cruiser by tapping it, dealing 2 damage to any target and three damage to itself.
Fleetwheel Cruiser dies as a state-based action due to having zero or less toughness.
Shelob triggers, creating a token copy of Fleetwheel Cruiser that is a Food artifact.
When the Fleetwheel Cruiser token enters the battlefield, it triggers, causing it to become an artifact creature until end of turn.
Repeat.

Infinite damage

Infinite death triggers

Infinite creature LTB

Infinite creature sacrifice triggers

Shelob, Child of Ungoliant

Fleetwheel Cruiser

Maskwood Nexus

Psionic Sliver

Activate Meldweb Strider by tapping it, dealing 2 damage to any target and three damage to itself.
Meldweb Strider dies as a state-based action due to having zero or less toughness.
Shelob triggers, creating a token copy of Meldweb Strider that is a Food artifact.
Activate the Meldweb Strider token by removing an oil counter from it, causing it to become an artifact creature until end of turn.
Repeat.

Meldweb Strider

Reflex Sliver

Activate Lightning Greaves' equip ability by paying {0}, attaching it to Meldweb Strider.
Activate Meldweb Strider by tapping it, dealing 2 damage to any target and three damage to itself.
Meldweb Strider dies as a state-based action due to having zero or less toughness.
Shelob triggers, creating a token copy of Meldweb Strider that is a Food artifact.
Activate the Meldweb Strider token by removing an oil counter from it, causing it to become an artifact creature until end of turn.
Repeat.

Lightning Greaves

Concordant Crossroads

Activate Cauldron Familiar by tapping it, dealing 2 damage to any target and three damage to itself.
Cauldron Familiar dies as a state-based action due to having zero or less toughness.
Shelob triggers, creating a token copy of Cauldron Familiar that is a Food artifact.
Activate the nontoken Cauldron Familiar by sacrificing the Cauldron Familiar token, returning the nontoken Cauldron Familiar from your graveyard to the battlefield.
When Cauldron Familiar enters the battlefield, it triggers, causing each opponent to lose 1 life and you to gain one life.
Repeat.

Infinite creature ETB

Infinite lifegain

Infinite lifegain triggers

Infinite lifeloss

Cauldron Familiar

Activate Lightning Greaves' equip ability by paying {0}, attaching it to Cauldron Familiar.
Activate Cauldron Familiar by tapping it, dealing 2 damage to any target and three damage to itself.
Cauldron Familiar dies as a state-based action due to having zero or less toughness.
Shelob triggers, creating a token copy of Cauldron Familiar that is a Food artifact.
Activate the nontoken Cauldron Familiar by sacrificing the Cauldron Familiar token, returning the nontoken Cauldron Familiar from your graveyard to the battlefield.
When Cauldron Familiar enters the battlefield, it triggers, causing each opponent to lose 1 life and you to gain one life.
Repeat.

Combos with "Psionic Sliver"