Duchess, Wayward Tavernkeep, Crime Novelist, Quest for Pure Flame, and Weftstalker Ardent

Prerequisites

• Duchess, Wayward Tavernkeep on the battlefield
• Crime Novelist on the battlefield
• Quest for Pure Flame on the battlefield
• Weftstalker Ardent on the battlefield
• available

Steps

1. Activate Duchess by paying and removing a quest counter from a permanent you control, creating a Junk token
2. When the Junk enters, Weftstalker Ardent triggers, dealing 1 damage to each opponent
3. Quest for Pure Flame triggers, putting a quest counter on it
4. Activate the Junk by tapping and sacrificing it
5. Crime Novelist triggers, adding and putting a +1/+1 counter on it
6. Resolve the Junk's ability, exiling the top card of your library with the ability to play it until end of turn
7. Repeat

Results

• Infinite damage
• Exile your library with the ability to play the exiled cards until end of turn
• Infinite +1/+1 counters on a creature