Instant or Sorcery that deals damage or causes lifeloss to each opponent
Initial Card State
Worldfire in hand.
Wizards of Thay and Instant or Sorcery that deals damage or causes lifeloss to each opponent on the battlefield.
Mana Needed
({5} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) plus enough mana to cast the instant or sorcery available.
Steps
Cast the instant or sorcery that deals damage or causes lifeloss by paying its mana cost.
Holding priority, cast
Worldfire by paying ({5} magic symbol) ({R} magic symbol) ({R} magic symbol) ({R} magic symbol) , exiling all permanents, all cards in all hands and graveyards, and setting each player's life total to 1.
Resolve the instant or sorcery cast in step 1, causing each opponent to lose at least 1 life or be dealt at least 1 damage.
Each opponent loses the game due to having 0 or less life.