Tephraderm + Hive Mind + Star of Extinction + Insult // Injury

Prerequisites

• You have a way to give Tephraderm indestructible
• There is a land on the battlefield.
• Each opponent has 40 or less life.

Steps

1. 1Give Tephraderm indestructible, if needed.
2. 2Cast Insult by paying , doubling the damage sources you control deal this turn.
3. 3Cast Star of Extinction by paying .
4. 4Hive Mind triggers, causing each opponent to copy Star of Extinction.
5. 5Resolve an opponent's Star of Extinction, destroying a land and dealing 20 damage to each creature and planeswalker.
6. 6Tephraderm's second ability triggers, dealing 40 damage to the opponent who controlled the Star of Extinction copy due to Insult.
7. 7Repeat from step 5 for each remaining Star of Extinction until each opponent loses the game.

Effects

• Near-infinite damage