Activate Ashnod's Altar by sacrificing Eternal Scourge, adding {C}{C}.
Eternal Scourge is exiled instead of being put into your graveyard due to Rest in Reace.
Cast Eternal Scourge from exile by paying {3}.
Pia Nalaar triggers, creating a 1/1 Thopter artifact creature token.
Activate Ashnod's Altar by sacrificing the Thopter, adding {C}{C}.
Repeat.

Infinite artifact ETB

Infinite colorless mana

Infinite creature tokens with haste

Infinite creature ETB

Infinite creature LTB

Infinite creature sacrifice triggers

Infinite storm count

Pia Nalaar, Consul of Revival

Eternal Scourge

Rest in Peace

Ashnod's Altar

Cast Mondrak by paying {2}{W}{W}.
When Mondrak enters the battlefield, Cadric triggers, causing you to pay {1} to create two token copies of Mondrak with haste.
Cast Pia Nalaar either from your hand or from the command zone by paying {R}{W} plus commander tax, if applicable.
When Pia Nalaar enters the battlefield, Cadric triggers, causing you to pay {1} to create eight token copies of Pia Nalaar with haste.
Activate Prosperous Partnership by tapping three creatures, creating eight Treasure tokens.
Activate Professional Face-Breaker by sacrificing a Treasure, causing you to exile the top card of your library with the ability to cast it this turn.
Repeat steps 5 and 6 as required until you exile a nonland card and have enough Treasures to cast it.
Activate any number of Treasures by tapping and sacrificing them, adding enough mana to cast the nonland card.
Cast the nonland card from exile by paying its mana cost.
Each Pia Nalaar triggers, creating a total of 72 1/1 Thopter artifact creature tokens with haste.
You may optionally repeat from step 5 as desired/able, or you may use Prosperous Partnership to tap the Thopter tokens and make up to 184 Treasure tokens.

Cast all spells in your library

Exile your library

Near-infinite colored mana

Near-infinite creature tokens with haste

Near-infinite creature ETB

Near-infinite storm count

Near-infinite Treasure tokens

Cadric, Soul Kindler

Mondrak, Glory Dominus

Professional Face-Breaker

Prosperous Partnership

Activate a creature by tapping it, adding at least {U}.
Activate Harmonized Trio by tapping it and two other creatures you control, causing it to become prepared.
Cast a copy of Brainstorm by paying {U}.
Pia Nalaar triggers, creating a creature token.
When the creature token enters, Intruder Alarm triggers, untapping all creatures.
Resolve Brainstorm, causing you to draw three cards and put two cards from your hand onto the top of your library.
Repeat.

Combos with "Pia Nalaar, Consul of Revival"