Biorhythm, and Wrath of God

Prerequisites

• Biorhythm in hand
• Wrath of God in hand
• available

Steps

1. Cast Wrath of God by paying its mana cost, destroying all creatures
2. Cast Biorhythm by paying its mana cost, causing each player's life total to become equal to the number of creatures they control
3. Each player that controls no creatures loses the game due to having 0 life

Results

• Draw the game
• Each opponent loses the game