River Song, Conjurer's Bauble, Emry, Lurker of the Loch, and Notorious Throng

Prerequisites

• River Song on the battlefield
• Conjurer's Bauble on the battlefield or in the graveyard
• Emry, Lurker of the Loch on the battlefield
• Notorious Throng in hand
• each turn available

Steps

1. If Conjurer's Bauble is in your graveyard, activate Emry by tapping it, targeting Conjurer's Bauble
2. Then, cast Conjurer's Bauble from your graveyard by paying
3. Deal combat damage to an opponent using a Rogue
4. Cast Notorious Throng for its prowl cost by paying , causing you to take an extra turn after this one
5. Activate Conjurer's Bauble by tapping and sacrificing it, putting Notorious Throng onto the bottom of your library from your graveyard, and then causing you to draw Notorious Throng from the bottom of your library due to River Song
6. Repeat each turn

Results

• Infinite turns