Worldfire | Hive Mind | Vampiric Tutor

(and one other card)

Worldfire and
Vampiric Tutor in hand.
Hive Mind and
Leyline of Anticipation on the battlefield.
({6} magic symbol) ({B} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) available.

Cast
Vampiric Tutor by paying ({B} magic symbol) .
Hive Mind triggers, causing each opponent to create a copy of
Vampiric Tutor.
Holding priority, cast
Worldfire by paying ({6} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) .
Hive Mind triggers, causing each opponent to create a copy of
Worldfire.
Resolve each
Worldfire on the stack, exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to one.
Resolve the first opponent's copy of
Vampiric Tutor, causing them to search their library for a card, put it on top of their library and lose 2 life.
The opponent loses the game due to having less than zero life.
Repeat from step 6 for each remaining opponent.