Deidara, Deidara [Edo Tensei], Shisui, Tobirama [Second Hokage], Mei, Rasa, Fu, Utakata, Roshi, Yugito, Darui, Onoki, Konan, Angel Konan, Sasori, Sasori 100 puppets, Minato [Fourth Hokage], Hashirama Senju [Edo Tensei], Temari [Five Kage Summit], Pain - Tendo, Temari [Great Ninja War], Gaara, Gaara [Third Kazekage] and Naruto [Bijuu Mode] among others all do area of effect damage to 7 or more opponents. Hopefully that answers your question!