Duchess, Wayward Tavernkeep, Rose, Cutthroat Raider, Quest for Pure Flame, and Ingenious Artillerist

Prerequisites

• Duchess, Wayward Tavernkeep on the battlefield
• Rose, Cutthroat Raider on the battlefield
• Quest for Pure Flame on the battlefield
• Ingenious Artillerist 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, Ingenious Artillerist 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. Rose triggers, adding
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