[GO RUSH!!] Card from Episode 52
Ultimate Brother-Sister Combo Dragon
Not confirmed for release, et. al. but whether you believe it or not is your problem!
ジョインテック・バーストドラゴン Jointech Burst Dragon
Level 9 DARK Machine Fusion Effect Monster
Materials: “Jointech Rex” + “Blue Tooth Burst Dragon”
[REQUIREMENT] You can activate this by sending the top card of your Deck to the GY.
[EFFECT] Destroy all face-up monsters your opponent controls that have 2500 or less ATK. Also, this card gains 500 ATK times [The number of monsters destroyed by this effect]. Also, you can choose 1 Spell/Trap Card your opponent controls and destroy it.