Gun Salute Dragon, End of Stage

:When this unit is placed on and rides a grade 3 unit, until end of turn, it gets ":[ 2 & Choose four of your rear-guards, and put them into your soul] At the end of the battle that this unit attacked, if you do not have any cards in your soul, you may pay the cost. If you do, this unit.". :When this unit attacks a vanguard, you may put all the cards from your soul into your drop zone. If you do, this unit gets +5000 for each card put into the drop zone until end of that battle.