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 ETB

Infinite draw triggers

Infinite looting

Near-infinite LTB

Near-infinite death triggers

Near infinite sacrifice triggers

Infinite self-discard triggers

Persist Creature

Olivia, Mobilized for War

High-Society Hunter

Yahenni, Undying Partisan

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

Infinite LTB

Infinite ETB

Infinite death triggers

Infinite storm count

Mortuary

Omarthis, Ghostfire Initiate

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 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

Near-infinite sacrifice triggers

Lyla, Holographic Assistant

Forsaken Miner

Combos with "High-Society Hunter"