Carrion Howler, Vizkopa Guildmage, and Oketra's Last Mercy

Prerequisites

• Carrion Howler on the battlefield
• Vizkopa Guildmage on the battlefield
• Oketra's Last Mercy in hand
• Each opponent has a life total that is less than forty
• available

Steps

1. Activate Vizkopa Guildmage by paying , causing each opponent to lose life whenever you gain life this turn
2. Activate Carrion Howler by paying 1 life
3. Repeat step 2 until you have one life
4. Resolve all Carrion Howler abilities, giving itself +2/-1 for each ability
5. Cast Oketra's Last Mercy by paying , causing your life total to become forty
6. Vizkopa Guildmage triggers, causing each opponent to lose thirty-nine life
7. Each opponent loses the game due to having zero or less life

Results

• Each opponent loses the game