Ravnica Remastered

Demonfire

Demonfire deals X damage to any target. If a creature dealt damage this way would die this turn, exile it instead.
Hellbent — If you have no cards in hand, this spell can't be countered and the damage can't be prevented.

RNA Guild Kit

Duel Decks Anthology: Jace vs. Chandra

Demonfire deals X damage to target creature or player. If a creature dealt damage this way would die this turn, exile it instead.
Hellbent — If you have no cards in hand, Demonfire can't be countered by spells or abilities and the damage can't be prevented.

Duel Decks: Jace vs. Chandra

Demonfire deals X damage to target creature or player. If a creature dealt damage this way would be put into a graveyard this turn, remove it from the game instead.
Hellbent If you have no cards in hand, Demonfire can't be countered by spells or abilities and the damage can't be prevented.