Forum:Formula eff n kristya

ok here is the question Formula Synchron and Stardust Dragon in my opponent field and in my field is Valhalla, Hall of the Fallen .. if I Special Summon Archlord Kristya using Valhalla, Hall of the Fallen Can my opponent Synchro into Shooting Star Dragon Through Formula Synchron effect ?

Thx Rauf cool (talk • contribs) 13:50, June 5, 2011 (UTC)