Activate Ashnod's Altar by sacrificing Bookwurm, adding {C}{C}.
When Bookwurm dies, Pitiless Plunderer and Verdant Succession trigger.
Resolve the Pitiless Plunderer trigger, creating a Treasure token.
Activate the Treasure by tapping and sacrificing it, adding {G}.
Activate Bookwurm by paying {2}{G}, putting Bookwurm from your graveyard into your library third from the top.
Resolve the Verdant Succession trigger from step 2, searching your library for Bookwurm and putting it onto the battlefield.
Bookwurm enters the battlefield, causing you to gain three life and draw a card.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite death triggers

Near-infinite creature ETB

Near-infinite lifegain

Near-infinite lifegain triggers

Near-infinite creature LTB

Near-infinite creature sacrifice triggers

Verdant Succession

Bookwurm

Ashnod's Altar

Pitiless Plunderer

Activate Emiel by paying {1}, blinking Bookwurm.
Bookwurm enters the battlefield, causing you to gain three life and draw a card.
Activate Treasonous Ogre by paying three life, adding {R}.
Repeat.

Combos with "Bookwurm"