D/D Lance Soldier

You can target 1 "D/D" monster you control; increase its Level by up to the number of "Dark Contract" cards in your field and GY. If this card is in your GY: You can target 1 "Dark Contract" card you control; destroy it, and if you do, Special Summon this card, but banish it when it leaves the field. You can only use each effect of "D/D Lance Soldier" once per turn.