Empyrean Blue Dragon, Shelling Cannon Dragon

Back Row Center :At the beginning of your battle phase, if your vanguard is "Flagship Dragon, Flagburg Dragon", and your opponent's vanguard is grade 3 or greater, 1, and until end of turn, this unit can attack from the back row, and gets +10000. Back Row Center :If you would move or swap this unit during your main phase, you can also move it within the same row.