Kess, Dissident Mage, The Twelfth Doctor, and Glorious End

Prerequisites

• Kess, Dissident Mage on the battlefield
• The Twelfth Doctor on the battlefield
• Glorious End in the graveyard
• undefined available

Steps

1. Cast Glorious End from your graveyard by paying , causing it to gain demonstrate due to The Twelfth Doctor
2. Glorious End's demonstrate ability triggers, causing you and an opponent to copy it
3. Resolve the opponent's copy of Glorious End, ending the turn, thus exiling all other spells and abilities on the stack
4. The opponent will then lose the game during their next end step due to Glorious End's triggered ability

Results

• Target opponent loses the game at the beginning of their next end step