Serra Avatar + Xathrid Demon

WB identity

Commander legal

The 2 combo pieces

• Serra Avatar
• Xathrid Demon

What must be in place

You have the highest life total or are tied for the highest life total.

How to execute it

1. At the beginning of your upkeep, Xathrid Demon triggers, causing you to sacrifice Serra Avatar and causing each opponent to lose life equal to Serra Avatar's power.
2. Each opponent loses the game due to having zero or less life.

What the combo produces

• Each opponent loses the game
• Near-infinite lifeloss