Destruction Dragon, Dark Rex

Bind zone(This ability is active if you have four or more damage):[Choose three of your Tachikaze rear-guards, and retire them] At the beginning of the close step of the battle that your grade 3 or greater Tachikaze vanguard attacked, if the attack did not hit during that battle, you may pay the cost. If you do, ride this card. Hand:[Bind this card] Choose up to one of your Tachikaze, and that unit gets +3000 until end of turn.