Sylvan Horned Beast, Gabregg (D-BT03/SP24EN) [Advance of Intertwined Stars]

[AUTO](RC):When your other unit in the same column as this unit attacks, [COST][Soul-Blast 1]], and this unit gets [Power] +10000 until end of turn. Choose all of your opponent's rear-guards, and for the battle that this unit attacked this turn, your opponent cannot call cards with the same grade as the chosen units from their hand to (GC).