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}.
Third Path Iconoclast 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.

Infinite card draw

Infinite draw triggers

Near-infinite ETB

Near-infinite creature tokens

Near-infinite magecraft triggers

Near-infinite storm count

Near-infinite untap of all creatures

Intruder Alarm

Harmonized Trio // Brainstorm

Third Path Iconoclast

Cast Mystic Speculation with buyback by paying {2}{U}.
Third Path Iconoclast and Storm-Kiln Artist trigger.
Resolve the Third Path Iconoclast trigger, creating a 1/1 Soldier artifact creature token.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve Mystic Speculation, causing you to scry 3 and return it to your hand.
Activate Ashnod's Altar by sacrificing the Soldier, adding {C}{C}.
Activate the Treasure token by tapping and sacrificing it, adding {U}.
Repeat.

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite magecraft triggers

Infinite sacrifice triggers

Infinite scry

Infinite storm count

Storm-Kiln Artist

Ashnod's Altar

Mystic Speculation

Cast Whim of Volrath with buyback by paying {2}{U}.
Third Path Iconoclast and Storm-Kiln Artist trigger.
Resolve the Third Path Iconoclast trigger, creating a 1/1 Soldier artifact creature token.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve Whim of Volrath, returning it to your hand.
Activate Ashnod's Altar by sacrificing the Soldier, adding {C}{C}.
Activate the Treasure token by tapping and sacrificing it, adding {U}.
Repeat.

Whim of Volrath

Activate The Tenth Doctor by paying {7}, removing all time counters from Reality Strobe.
Reality Strobe triggers, causing you to cast it from exile without paying its mana cost.
Third Path Iconoclast triggers, creating a creature token.
When the creature token enters, Mana Echoes triggers, adding {C} for each creature you control that shares a creature type with the token.
Resolve Reality Strobe.
Repeat.

Infinite colorless mana

Infinite creature tokens

Mass Land Denial

Return any number of permanents to their owner's hand

The Tenth Doctor

Mana Echoes

Reality Strobe

Cast Whim of Volrath with buyback by paying {2}{U}.
Third Path Iconoclast and Storm-Kiln Artist trigger.
Resolve the Third Path Iconoclast trigger, creating a 1/1 Soldier artifact creature token.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve Whim of Volrath, returning it to your hand.
Activate Krark-Clan Ironworks by sacrificing the Soldier, adding {C}{C}.
Activate the Treasure token by tapping and sacrificing it, adding {U}.
Repeat.

Krark-Clan Ironworks

Cast Mystic Speculation with buyback by paying {2}{U}.
Third Path Iconoclast and Storm-Kiln Artist trigger.
Resolve the Third Path Iconoclast trigger, creating a 1/1 Soldier artifact creature token.
Resolve the Storm-Kiln Artist trigger, creating a Treasure token.
Resolve Mystic Speculation, causing you to scry 3 and return it to your hand.
Activate Krark-Clan Ironworks by sacrificing the Soldier, adding {C}{C}.
Activate the Treasure token by tapping and sacrificing it, adding {U}.
Repeat.

Combos with "Third Path Iconoclast"