The heavy metal band Avenged Sevenfold (aka A7X) had a surprise for two of their biggest Israeli fans – former hostages and buddies Evyatar David and Guy Gilboa-Dalal, who were released from Hamas captivity on Monday after two years – a personal video message, welcoming them home.“Evyatar and Guy, so excited to hear you guys are home today,” says the lead vocalist, whose stage name is M. Shadows, in the video. “We've been following the story closely. We knew that you guys were A7X fans, and we