Activate Marvin using Snapping Voidcraw's first ability by tapping it, adding {C}{C}.
Activate Marvin using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
Repeat.

Infinite colored mana

Infinite colorless mana

Infinite card draw

Infinite draw triggers

Marvin, Murderous Mimic

Pili-Pala

Snapping Voidcraw

Activate Snapping Voidcraw by tapping it, adding {C}{C}.
Activate Arcanis's first ability by tapping it, causing you to draw three cards.
Tolarian Kraken triggers three times. Resolve the first two triggers, causing you to pay {2} to untap Arcanis and Snapping Voidcraw.
Resolve the last Tolarian Kraken trigger, choosing not to pay.
Repeat.

Arcanis the Omnipotent

Tolarian Kraken

Activate Snapping Voidcraw by tapping it, adding {C}{C}.
Activate Sword of the Paruns by paying {1}, untapping Snapping Voidcraw.
Repeat.

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Sword of the Paruns

Power Artifact

Activate Rex using Snapping Voidcraw's first ability by tapping it, adding {C}{C}.
Activate Rex using Pili-Pala's ability by paying {2} and untapping it, adding one mana of any color.
Repeat.

Combos with "Snapping Voidcraw"