Give Tephraderm indestructible, if needed.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 20 damage to each creature and planeswalker.
Tephraderm's second ability triggers, dealing 40 damage to the opponent who controlled the Star of Extinction copy due to The Rollercrusher Ride.
Repeat from step 4 for each remaining Star of Extinction until each opponent loses the game.

Near-infinite damage

Tephraderm

Hive Mind

Star of Extinction

The Rollercrusher Ride

Give Tephraderm indestructible, if needed.
Activate Quest for Pure Flame by removing four quest counters from it and sacrificing it, doubling the damage sources you control deal this turn.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 20 damage to each creature and planeswalker.
Tephraderm's second ability triggers, dealing 40 damage to the opponent who controlled the Star of Extinction copy due to Quest for Pure Flame.
Repeat from step 5 for each remaining Star of Extinction until each opponent loses the game.

Quest for Pure Flame

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

Insult // Injury

Give Tephraderm indestructible, if needed.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 20 damage to each creature and planeswalker.
Tephraderm's second ability triggers, dealing 40 damage to the opponent who controlled the Star of Extinction copy due to Gratuitous Violence.
Repeat from step 4 for each remaining Star of Extinction until each opponent loses the game.

Gratuitous Violence

Give Tephraderm indestructible, if needed.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 40 damage to each creature and planeswalker due to Furnace of Rath.
Tephraderm's second ability triggers, dealing 80 damage to the opponent who controlled the Star of Extinction copy due to Furnace of Rath.
Repeat from step 4 for each remaining Star of Extinction.

Furnace of Rath

Give Tephraderm indestructible, if needed.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 40 damage to each creature and planeswalker due to Dictate of the Twin Gods.
Tephraderm's second ability triggers, dealing 80 damage to the opponent who controlled the Star of Extinction copy due to Dictate of the Twin Gods.
Repeat from step 4 for each remaining Star of Extinction, including your own if one or more opponents survive.

Dictate of the Twin Gods

Give Tephraderm indestructible, if needed.
Cast Star of Extinction by paying {5}{R}{R}.
Hive Mind triggers, causing each opponent to copy Star of Extinction.
Resolve an opponent's Star of Extinction, destroying a land and dealing 20 damage to each creature and planeswalker.
Tephraderm's second ability triggers, dealing 40 damage to the opponent who controlled the Star of Extinction copy due to Angrath's Marauders.
Repeat from step 4 for each remaining Star of Extinction until each opponent lose the game.

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