Activate Avatar Kyoshi by tapping it, adding at least {R}{R}{R}{R}{R}.
Activate Aggravated Assault by paying {3}{R}{R}, untapping all creatures you control and causing you to get an additional combat and main phase after this one.
Repeat.

Infinite colored mana

Infinite combat phases

Infinite untap of creatures you control

Infinite mana creatures you control can produce

Aggravated Assault

The Legend of Kyoshi // Avatar Kyoshi

Cast Body of Research by paying {G}{G}{G}{U}{U}{U}, creating a 0/0 Fractal creature token and putting a +1/+1 counter on it for each card in your library.
Cast The Legend of Kyoshi by paying {4}{G}{G}.
When The Legend of Kyoshi enters with a lore counter on it, its first ability triggers, causing you to draw cards equal to the Fractal's power, thus drawing your library.

Infinite card draw

Infinite draw triggers

Near-infinite +1/+1 counters on a creature token

Body of Research

Activate Marvin using Avatar Kyoshi's ability by tapping it, adding at least five mana of any color.
Activate Marvin using Pili-Pala by paying {2} and untapping it, adding one mana of any color.
Repeat.

Marvin, Murderous Mimic

Pili-Pala

Activate Avatar Kyoshi by tapping it, adding at least five mana of any color.
Activate Voltaic Construct by paying {2}, untapping Avatar Kyoshi.
Repeat

Infinite untap of artifact creatures you control

Voltaic Construct

Mycosynth Lattice

Cast Touch of Vitae by paying {2}{G}, targeting Avatar Kyoshi.
Activate Quicksilver Elemental by paying {U}, causing it to gain Avatar Kyoshi's activated abilities until end of turn.
Activate Quicksilver Elemental using Avatar Kyoshi's ability by tapping it, adding at least {U}{U}{U}{U}{U}.
Activate Quicksilver Elemental using Avatar Kyoshi's ability granted to it by Touch of Vitae by paying {0}, untapping Quicksilver Elemental.
Repeat from step 2.

Quicksilver Elemental

Touch of Vitae

Activate Karn by paying {1}, causing Halo Fountain to become a creature.
Activate Avatar Kyoshi by tapping it, adding at least {W}{W}{W}{W}{W}
Activate Halo Fountain's second ability by paying {W}{W}, tapping it, and then untapping it and The Legend of Kyoshi // Avatar Kyoshi, causing you to draw a card.
Repeat from step 2.

Near-infinite ETB

Near-infinite colored mana

Near-infinite creature tokens

Near-infinite untap of creatures you control

Near-infinite mana creatures you control can produce

Halo Fountain

Karn, Silver Golem

Activate Experiment Kraj using Avatar Kyoshi's ability by tapping it, adding at least {G}{G}{G}{G}{G}
Activate Experiment Kraj using Gilder Bairn's ability by paying {2}{G/U} and untapping it, doubling each counter on target permanent.
Repeat.

Infinite proliferate

Experiment Kraj

Gilder Bairn

Activate Marvin using Avatar Kyoshi's ability by tapping it, adding at least {U}{U}{U}{U}{U}.
Activate Marvin using Soliton's ability by paying {U}, untapping it.
Repeat.

Soliton

Activate Avatar Kyoshi by tapping it, adding at least {W}{W}{W}{W}{W}.
Cast Blinking Spirit by paying {3}{W}.
Chakram Retriever triggers, untapping Avatar Kyoshi.
Activate Blinking Spirit by paying {0}, returning it from the battlefield to your hand.
Repeat.

Infinite LTB

Infinite ETB

Infinite storm count

Chakram Retriever

Blinking Spirit

Activate Avatar Kyoshi by tapping it, adding at least {G}{G}{G}{G}{G}.
Activate Mind Over Matter by discarding a card, untapping Avatar Kyoshi.
Activate Tasigur by paying {2}{G/U}{G/U}, causing you to mill two cards and return a nonland card from your graveyard to your hand.
Repeat.

Infinite self-mill

Infinite self-discard triggers

Infinite mana permanents you control can produce

Infinite untap of permanents you control

Tasigur, the Golden Fang

Mind Over Matter

Activate Volrath by paying {1}, causing it to become a copy of Avatar Kyoshi.
Activate Volrath by tapping it, adding at least seven {U}.
Activate Volrath by paying {1}, causing it to become a copy of Knacksaw Clique.
Activate Volrath by paying {1}{U} and untapping it, exiling the top card of an opponent's library with the ability to play it until end of turn.
Repeat.

Combos with "The Legend of Kyoshi // Avatar Kyoshi"