Interdimensional Dragon, Chronoscommand Dragon
If you are at Generation Break 3, your opponent puts all of their rear-guards on the bottom of their deck!
In addition, choose one of your rear-guards, and it gets the ability to swap out for an attacker with grade +1 of the chosen rear-guard at the end of the battle it attacked for multiple attacks!
But to show Chronoscommand Dragon's true colours requires you to fulfil Generation Break 3, so it's best to call this unit when you have Stride more than two times!
The newly swapped in attacker also gets Power +5000 for each face up "Interdimensional Dragon, Chronoscommand Dragon" in your G zone, so utilize cards like "Interdimensional Dragon, Faterider Dragon" to priortise turning over "Interdimensional Dragon, Chronoscommand Dragon" cards for more Power!

Glimmer Breath Dragon
If you have a "Chronojet Dragon" crest when this unit is placed, you can draw a card and empower this unit!
Once you have reached Generation Break 3, this unit gains even more Power!
As long as you have Counter Blast 1, drawing at whichever timing you place this card is a huge draw! You can even synergize with Chronoscommand Dragon with its powers unlocked at Generation Break 3 for a greater impact!
Definitely a dependable unit card from start to victory!