Boot Sector Launch

All "Rokket" monsters on the field gain 300 ATK/DEF. <br>You can activate 1 of these effects; <br>• Special Summon up to 2 "Rokket" monsters with different names from your hand in Defense Position. <br>• If your opponent controls more monsters than you do: Special Summon "Rokket" monsters with different names from your GY in Defense Position, up to the difference. <br>You can only use this effect of "Boot Sector Launch" once per turn.