Activate Yahenni by sacrificing the persist creature.
When the persist creature dies, it and High-Society Hunter trigger.
Resolve the High-Society Hunter trigger, causing you to draw a card.
Resolve the persist creature's trigger, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When the persist creature enters the battlefield, Olivia triggers, putting a +1/+1 counter on the persist creature and causing you to discard a card.
Resolve the Yahenni ability.
Repeat.

Near-infinite creature ETB

Infinite draw triggers

Infinite looting

Near-infinite creature LTB

Near-infinite death triggers

Near-infinite creature sacrifice triggers

Infinite self-discard triggers

Persist Creature

Olivia, Mobilized for War

Yahenni, Undying Partisan

High-Society Hunter

Cast Stonecoil Serpent by paying {0}.
Stonecoil Serpent enters and dies as a state-based action due to having 0 toughness, triggering Mortuary and High-Society Hunter.
Resolve the Mortuary trigger, putting Stonecoil Serpent from your graveyard onto the top of your library.
Resolve the High-Society Hunter trigger, causing you to draw a card, thus drawing Stonecoil Serpent from your library.
Repeat.

Infinite creature LTB

Infinite creature ETB

Infinite death triggers

Infinite storm count

Mortuary

Stonecoil Serpent

Activate Phyrexian Altar by sacrificing Golgari Thug, adding {B}.
When Golgari Thug dies, it and High-Society Hunter trigger.
Resolve the Golgari Thug trigger, returning it from your graveyard to the top of your library.
Wan Shi Tong's second ability triggers, creating two 1/1 Spirit creature tokens.
Resolve the High-Society Hunter trigger, causing you to draw Golgari Thug from your library.
Activate Phyrexian Altar by sacrificing a Spirit, adding {1}.
Cast Golgari Thug by paying {1}{B}.
Repeat.

Infinite colored mana

Infinite creature sacrifice triggers

Infinite creature tokens

Wan Shi Tong, All-Knowing

Golgari Thug

Phyrexian Altar

Activate Phyrexian Altar by sacrificing Forsaken Miner, adding {B}.
When Forsaken Miner dies, High-Society Hunter triggers, causing you to draw a card.
Lyla triggers, targeting a creature an opponent controls.
Forsaken Miner triggers, causing you to pay {B} to return Forsaken Miner from your graveyard to the battlefield.
Resolve the Lyla trigger.
Repeat.

Infinite card draw

Lyla, Holographic Assistant

Forsaken Miner

Combos with "High-Society Hunter"