Activate Sensei's Divining Top by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library.
Cast Sensei's Divining Top from the top of your library by paying {0}.
Repeat

Infinite card draw

Infinite draw triggers

Near-infinite storm count

Sensei's Divining Top

Sage of the Beyond

The Reality Chip

Activate Lightning Greaves's equip ability by paying {0}, targeting another nontoken creature you control.
Monk Gyatso triggers, airbending the targeted creature.
The Lightning Greaves ability fizzles due to no longer having a legal target.
Cast the creature from exile by paying {0} due to Sage of the Beyond.
Repeat.

Infinite LTB

Infinite ETB

Infinite storm count

Monk Gyatso

Lightning Greaves

Cast Appa by paying {2}{W}{W}
When Appa enters, its first ability triggers, exiling Restoration Angel with the ability to cast it later from exile.
Cast Restoration Angel from exile by paying {0}.
When Restoration Angel enters, it triggers, blinking Appa.
Repeat from step 2.

Infinite tapped creature tokens

Appa, Steadfast Guardian

Restoration Angel

Activate Nomads en-Kor by paying {0}, targeting itself.
Monk Gyatso triggers, airbending Nomads en-Kor.
The Nomads en-Kor ability fizzles due to no longer having a legal target.
Cast Nomads en-Kor from exile by paying {0} due to Sage of the Beyond.
Repeat.

Nomads en-Kor

Cast Martyrdom by paying {1}{W}{W}, targeting Monk Gyatso.
Activate Monk Gyatso by paying {0}, targeting another nontoken creature you control.
Monk Gyatso triggers, airbending the targeted creature.
Monk Gyatso's ability from step 4 fizzles due to no longer having a legal target.
Cast the creature from exile by paying {0} due to Sage of the Beyond.
Repeat from step 2.

Martyrdom

Activate Dire Mimic's first ability by tapping and sacrificing it, adding one mana of any color.
Cast Dire Mimic from your graveyard using Serra Paragon's ability by paying {0}.
Displacer Kitten triggers, blinking Serra Paragon.
Activate Dire Mimic's first ability by tapping and sacrificing it, adding one mana of any color.
Dire Mimic leaves the battlefield, triggering its ability.
In response, repeat from step 2.
Once you have infinite mana, resolve all Dire Mimic abilities, causing you to exile it from your graveyard if it's in your graveyard and gain infinite life.

Infinite colored mana

Infinite lifegain

Infinite lifegain triggers

Serra Paragon

Displacer Kitten

Dire Mimic

Cast the artifact from your graveyard by paying {0}.
Displacer Kitten triggers, blinking Muldrotha.
When the artifact enters, Grinding Station triggers, untapping Grinding Station.
Activate Grinding Station by tapping it and sacrificing the artifact.
Repeat.

Infinite mill

Infinite self-mill

Noncreature Artifact with MV<=1

Muldrotha, the Gravetide

Grinding Station

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.
Activate Harnfel by discarding a card, exiling the top two cards of your library and allowing you to cast them this turn.
Cast Sensei's Divining Top from exile by paying {0}.
Repeat.

Near-infinite self-discard triggers

Near-infinite draw triggers

Near-infinite looting

Birgi, God of Storytelling // Harnfel, Horn of Bounty

Cast Appa by paying {2}{W}{W}.
When Appa enters, it triggers, airbending Appa.
Cast Appa from exile by paying {0}.
Appa triggers, creating a 1/1 Ally creature token.
When Appa enters, it triggers, airbending Appa.
Cast Appa from exile by paying {0}.
Repeat from step 2.

Infinite creature tokens

Appa, Loyal Sky Bison

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.
Cast Sensei's Divining Top by paying {0} and removing a counter from a creature you control.
The Thirteenth Doctor triggers, putting a +1/+1 counter on it.
Repeat.

Combos with "Sage of the Beyond"