Attempt to draw card, instead choosing to mill 3 cards and return Life from the Loam from your graveyard to your hand.
If you milled a nonland card, The Wise Mothman triggers, putting a +1/+1 counter on Benthic Biomancer.
Benthic Biomancer triggers, causing you to draw a card and discard Life from the Loam.
Repeat.

Infinite self-mill

Benthic Biomancer

The Wise Mothman

Life from the Loam

Put a +1/+1 counter on Scurry Oak,
Scurry Oak's second ability and Moss-Pit Skeleton trigger.
Resolve the Scurry Oak trigger, creating a 1/1 Squirrel creature token.
Resolve the Moss-Pit Skeleton trigger, putting it from your graveyard on top of your library.
Activate Altar of Dementia by sacrificing the Squirrel token, causing you to mill Moss-Pit Skeleton from the top of your library.
The Wise Mothman's second ability triggers, putting a +1/+1 counter on Scurry Oak.
Repeat from step 2.

Infinite +1/+1 counters on Scurry Oak

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Moss-Pit Skeleton

Altar of Dementia

Scurry Oak

Put a +1/+1 counter on Herd Baloth.
Herd Baloth and Moss-Pit Skeleton trigger.
Resolve the Herd Baloth trigger, creating a 4/4 Beast creature token.
Resolve the Moss-Pit Skeleton trigger, putting it from your graveyard on top of your library.
Activate Altar of Dementia by sacrificing the Beast token, causing you to mill Moss-Pit Skeleton and three other cards from the top of your library.
The Wise Mothman's second ability triggers at least once, putting a +1/+1 counter on Herd Baloth, and any other desired creature(s) if applicable.
Repeat from step 2.

Infinite +1/+1 counters on Herd Baloth

Near-infinite +1/+1 counters

Herd Baloth

Cast Blood Pet by paying {B}.
When Blood Pet enters the battlefield, Altar of the Brood triggers.
Holding priority, activate Blood Pet by sacrificing it, adding {B}.
Resolve the Altar of the Brood trigger, causing each opponent to mill two cards due to Bruvac.
If an opponent mills a nonland card, The Wise Mothman triggers, putting a +1/+1 counter on Evolution Witness.
Evolution Witness triggers, returning Blood Pet from your graveyard to your hand.
Repeat.

Combos with "The Wise Mothman"