Star-vader, Chaos Breaker Dragon
If your opponent has a locked card, it gets Power +10000! Also, you can also give your opponent an Imaginary Gift:Force, and lock one of your opponent's rear-guards! When your opponent's locked card is unlocked, retire the unlocked unit, draw one card, and remove two markers in your opponent's circle or two Protect from his or her hand! You can get 1 Imaginary Gift:Force for each removed marker or Protect! Let's disable the opponent's circle with the lock mechanic, and aim for a large number of gifts!

Bisection Star-vader, Zirconium
When placed, if your Vanguard has "Star-vader" in its card name, your opponent puts a card from the top of the deck as a locked rear-guard! If it is placed in the back row, you draw a card and this unit gets +10000 Power! Also, if your opponent has a locked card, the Vanguard's critical becomes two! The first ability allows for a locked card to be placed from the top of the deck, which also means that you can definitely use the second ability!

Star-vader, Craving Claw
When its attack or the attack it boosted hits, look at the top five cards of your deck, and add a "Star-vader" unit to your hand! Also, by placing it into the soul, you can unlock one of your opponent's locked cards and lock another rear-guard apart from the unlocked unit! Let's unlock a locked card in the main phase, and quickly activate the ability of "Star-vader, Chaos Breaker Dragon"!