[GO RUSH!!] Cards from Episode 53

Sevens Road Miracle Fusion, sorta.

Not confirmed for release, et. al. but whether you believe it or not is your problem!

セブンス・ワンダー・フュージョン Sevens Wonder Fusion
Normal Spell Card
【REQUIREMENT】 None
【EFFECT】 Fusion Summon by returning monsters on your field or in the GY to the Deck as material, including “Sevens Road Magician”.

魔導槍グレイス・スピア Madou Sou Grace Spear (Magical Lance Grace Spear)
Equip Spell Card
【REQUIREMENT】 You can equip this to 1 face-up Magical Knight or Spellcaster monster you control.
【EFFECT】 The equipped monster gains 200 ATK and its attacks pierce. If the equipped monster is a Magical Knight monster, also it gains 200 ATK times [The Level of the equipped monster].

マジカル・リバース Magical Rebirth
Normal Trap Card
【REQUIREMENT】 When your face-up monster(s) is destroyed by your opponent’s effect, you can activate this by shuffling 2 Spellcaster monsters from your GY back into the Deck.
【EFFECT】 Special Summon 1 of the destroyed monsters to your field face-up.

アビス・ブライニクル Abyss Brinicle
Normal Trap Card
【REQUIREMENT】 When your opponent’s monster declares a direct attack, you can activate this.
【EFFECT】 Place up to 3 DARK Sea Serpent monsters from your GY on the bottom of the Deck in any order. Then, choose 1 Sea Serpent monster in your GY and Special Summon it to your field face-up. If there are no monsters in your GY, you can choose 1 Attack Position monster your opponent controls and destroy it.

Source