Yarus, Roar of the Old Gods, Ashcloud Phoenix, and Woe Strider

Prerequisites

• Yarus, Roar of the Old Gods on the battlefield
• Ashcloud Phoenix on the battlefield
• Woe Strider on the battlefield
• Your life total is at least 2 greater than the largest life total among your opponents

Steps

1. Activate Woe Strider by sacrificing Ashcloud Phoenix
2. When Ashcloud Phoenix dies, its first ability triggers, returning it from your graveyard to the battlefield face-down
3. Resolve the Woe Strider ability, causing you to scry 1
4. Activate Woe Strider by sacrificing Ashcloud Phoenix
5. Yarus' second ability triggers, returning Ashcloud Phoenix from your graveyard to the battlefield face down, and then turning it face up
6. Ashcloud Phoenix's second ability triggers, dealing 2 damage to each player
7. Resolve the Woe Strider ability, causing you to scry 1
8. Repeat

Results

• Near-infinite damage to all players
• Near-infinite death triggers
• Near-infinite ETB
• Near-infinite LTB
• Near-infinite sacrifice triggers
• Near-infinite scry 1