Activate O'aka by tapping it and removing a counter from a nonland permanent, causing you to draw a card.
Baxter triggers, putting a counter on it.
Activate Mind Over Matter by discarding a card, untapping O'aka.
Repeat.

Infinite draw triggers

Infinite looting

Infinite self-discard triggers

O'aka, Traveling Merchant

Mind Over Matter

Baxter, Fly in the Ointment

Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library.
Baxter triggers, putting a +1/+1 counter on it.
Cast Sensei's Divining Top from the top of your library by paying {0} and removing a counter from a creature you control.
Repeat.

Near-infinite artifact ETB

Near-infinite artifact LTB

Infinite card draw

Near-infinite storm count

Falco Spara, Pactweaver

Sensei's Divining Top

Valeria Richards, Precocious

Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library.
Baxter triggers, putting a +1/+1 counter on it.
Cast Sensei's Divining Top from the top of your library by paying {1} and removing a counter from a creature you control.
Glaring Fleshraker's first ability triggers, creating a 0/1 Eldrazi Spawn creature token.
When the Eldrazi Spawn enters, Glaring Fleshraker's second ability triggers, dealing 1 damage to each opponent.
Activate the Eldrazi Spawn by sacrificing it, adding {C}.
Repeat.

Combos with "Baxter, Fly in the Ointment"