Your search for "Gleeful Arsonist 27" revealed the following:
Gleeful Arsonist - Extended Art (DSC) from Duskmourn: House of Horror Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Nereida Card Text:Whenever an opponent casts a noncreature spell, Gleeful Arsonist deals damage equal to its power to...
Gleeful Arsonist (DSC) from Duskmourn: House of Horror Commander, available at 401 Games Canada. Rarity: Rare Finish: Normal Artist: Nereida Card Text:Whenever an opponent casts a noncreature spell, Gleeful Arsonist deals damage equal to its power to that player.Undying (When...