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}.
Shark Typhoon 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 creature ETB

Near-infinite creature tokens

Near-infinite magecraft triggers

Near-infinite storm count

Near-infinite untap of all creatures

Intruder Alarm

Harmonized Trio // Brainstorm

Shark Typhoon

Cast Mystic Speculation with buyback by paying {2}{U}.
Shark Typhoon and Storm-Kiln Artist trigger.
Resolve the Shark Typhoon trigger, creating a 1/1 Shark 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 the Treasure by tapping and sacrificing it, adding {U}.
Activate Ashnod's Altar by sacrificing the Shark, adding {C}{C}.
Repeat.

Infinite artifact ETB

Infinite artifact LTB

Infinite death triggers

Infinite creature ETB

Infinite creature LTB

Infinite magecraft triggers

Infinite creature sacrifice triggers

Infinite scry

Infinite storm count

Storm-Kiln Artist

Ashnod's Altar

Mystic Speculation

Activate The Tenth Doctor by paying {7}, removing all time counters from Arc Blade.
Arc Blade triggers, causing you to cast it from exile without paying its mana cost.
Shark Typhoon 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 Arc Blade.
Repeat.

Infinite colorless mana

Infinite creature tokens

Infinite damage

The Tenth Doctor

Mana Echoes

Arc Blade

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

Whim of Volrath

Combos with "Shark Typhoon"