Worldfire [M13 - 158] Commander Legends sacrifice a permanent for each

sacrifice a permanent for each 1 damage dealt to it

defending player sacrifices a creature with the least power among creatures they control

Rules Text Contains: Whenever another creature with power 5 or greater comes into play under your control

Whenever another Elf enters the battlefield under your control

Rules Text Contains: Sacrifice a creature: Target player puts a number of cards equal to that creature’s power from the top of his or her library into his or her graveyard

Worldfire [M13 - 158] Commander Legends sacrifice a permanent for eachRarity: M #: 158 Creature Type or Sub Type: Sorcery Rules Text Contains: Exile all permanents. Exile all cards from all hands and graveyards. Each player's life total becomes 1. Flavor: Even the smallest spark may set a world ablaze.