Dragonic Overlord "The Яe-birth"

(This ability is active if you have four or more damage):[ 1 & Choose one or more of your Kagero rear-guards, and lock them] If the number of locked cards you have is five or more, until end of turn, this unit gets +10000 and ":[Choose two Kagero from your hand, and discard them] At the end of the battle that this unit attacked a vanguard, you may pay the cost. If you do, this unit. This ability cannot be used for the rest of that turn. (Even if you do not pay the cost, this ability cannot be used for the rest of that turn.)". (The locked card is turned face down, and cannot do anything. It turns face up at end of the owner's turn.) :If you have a card named "Dragonic Overlord" in your soul, this unit gets +2000. /:Lord (If you have a unit without a same clan as this unit, this unit cannot attack )