So much Jointech support, so little printed.
These cards are not confirmed for release, but whether or not you believe that is your problem!
ジョインテック・デイノビークル Jointech Deinovehicle
Level 7 EARTH Machine Effect Monster
ATK 2400
DEF 2000
【REQUIREMENT】 Send 1 other monster on your field to the GY.
【EFFECT】 This card gains 700 ATK until the end of the turn. Then, you can choose 1 face-up monster on your opponent’s field whose original Attribute is the same as the monster sent to the GY for this effect’s requirement and it loses ATK equal to [The original ATK of the monster sent to the GY for this effect’s requirement] until the end of the turn.
ジョイント・パッション Joint Passion
Normal Spell Card
【REQUIREMENT】 None
【EFFECT】 Choose 1 face-up EARTH Machine monster on your field. During this turn, when that monster battles an opponent’s monster and destroys it, inflict damage to your opponent [equal to the original ATK of the destroyed monter]. During this turn, you can only declare an attack once, and you can only attack monsters.
ジョインテック・テイルスイング Jointech Tail Swing (Jointech Tail Swipe)
Normal Trap Card
【REQUIREMENT】 When a monster on your opponent’s field declares an attack targetting your monster.
【EFFECT】 Change the battle position of the monster being targeted for the attack. If an EARTH Machine monster changes its battle psotion with this effect, then you can destroy the Level 8 or lower attacking monster.
Note: This card’s name is basically close to the OCG/TCG card, “Tail Swipe”, so it probably should be localized similarly.
ワンダー・アミュレット Wonder Amulet
Equip Spell Card
【REQUIREMENT】 Equip to 1 face-up Spellcaster monster on your field.
【EFFECT】 The equipped monster cannot be destroyed by your opponent’s effects. If the equipped monster is the only monster you control, that Attack Position equipped monster cannot be destroyed by attacks.