Prerequisites
- Intruder Alarm on the battlefield
- Harmonized Trio // Brainstorm on the battlefield
- Stormchaser's Talent on the battlefield
Steps
- Activate a creature by tapping it, adding at least
- Activate Harmonized Trio by tapping it and two other creatures you control, causing it to become prepared
- Cast a copy of Brainstorm by paying
- Stormchaser's Talent and each creature you control that has prowess triggers
- Resolve all prowess triggers as applicable, giving those creatures +1/+1 until end of turn
- Resolve the Stormchaser's Talent trigger, 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
Results
- 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
Required Cards 3

Intruder Alarm
Enchantment

Harmonized Trio // Brainstorm
Creature — Merfolk Bard Wizard // Instant

Stormchaser's Talent
Enchantment — Class