Tragic Claw

/:When your other unit is placed in the same column as this unit, you may 1. Darkness (This ability is active if cards have been put into your soul during this turn):When your other unit is placed in the same column as this unit, if the number of cards in your soul is ten or more, this unit gets "Boost ([Boost])" until end of turn, and if the number of cards in your soul is fifteen or more, this unit gets +2000 until end of turn.