Worldslayer, and Soul of New Phyrexia

Prerequisites

• Worldslayer on the battlefield
• Soul of New Phyrexia on the battlefield
• undefined each turn available

Steps

1. Activate Soul of New Phyrexia by paying , giving all permanents you control indestructible until end of turn
2. Deal combat damage to any opponent with the creature that has Worldslayer equipped, destroying all of your opponent' permanents

Results

• Destroy all of your opponents' permanents on each of your turns