User blog comment:Mich, Michele & Kuhla/Future Units Preview/@comment-26940790-20160216232359/@comment-26944381-20160216235317

Atro 7* yes boost Atk, Def and Rec by 150%.

Atro Fantasy/Dream/Phantom/Unicorn/Magic/Whatever the name is evolution, boost all parameters (Atk, Def and Rec) by 300%.