Activate Marvin using Kozilek's Channeler's 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

Marvin, Murderous Mimic

Pili-Pala

Kozilek's Channeler

Activate Rex using Kozilek's Channeler's 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.

Rex, Cyber-Hound

Tap Kozilek's Channeler for {C}{C}{C}{C}{C}{C}.
Pay {3} and tap Staff of Domination to untap Kozilek's Channeler.
Pay {1} to Staff of Domination to untap it.
Repeat.

Infinite card draw

Infinite draw triggers

Infinite lifegain

Infinite lifegain triggers

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Staff of Domination

Nyxbloom Ancient

Activate Kozilek's Channeler 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 Kozilek's Channeler.
Resolve the last Tolarian Kraken trigger, choosing not to pay.
Repeat.

Arcanis the Omnipotent

Tolarian Kraken

Tap Kozilek's Channeler for {C}{C}{C}{C}{C}.
Pay {3} and tap Staff of Domination to untap Kozilek's Channeler.
Pay {1} to Staff of Domination to untap it.
Repeat.

Forsaken Monument

Mana Reflection

Activate Kozilek's Channeler by tapping it, adding {C}{C}.
Activate Sword of the Paruns by paying {1}, untapping Kozilek's Channeler.
Repeat.

Combos with "Kozilek's Channeler"