Heavenly Blade of Liaison, Razionel

:When this unit is placed on , 4, and draw a card. :When your other unit is placed on the this unit is on by the ability of your grade 3 or greater vanguard with "Alden" in its card name, that placed unit gets +10000 until end of turn, if your opponent's vanguard is grade 3 or greater, 1, choose one of your rear-guards, and it.