All "Rokket" monsters on the field gain 300 ATK/DEF. You can only use the following effect of "Revolve Boot Sector" once per turn. You can activate 1 of these effects;
● Special Summon up to 2 "Rokket" monsters with different names from your hand in Defense Position.
● 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 surplus.