Archfiend of Despair, Strionic Resonator, and Dire Fleet Ravager

Prerequisites

• Archfiend of Despair on the battlefield
• Strionic Resonator on the battlefield
• Dire Fleet Ravager in hand
• Your life total is at least three
• available

Steps

1. Cast Dire Fleet Ravager by paying
2. Dire Fleet Ravager enters the battlefield, triggering its ability
3. Holding priority, activate Strionic Resonator by paying and tapping it, copying Dire Fleet Ravager's trigger
4. Resolve the copy of Dire Fleet Ravager's trigger, causing each player to lose a third of their life total, rounded up
5. Resolve the Dire Fleet Ravager trigger, causing each player to lose a third of their life total, rounded up
6. At the beginning of your upkeep, Archfiend of Despair triggers, causing each opponent to lose life equal to the life they lost this turn
7. Each opponent loses the game due to having zero or less life

Results

• Each opponent loses the game
• Near-infinite lifeloss