RD/AP03-JP032 ＳＷ[サヨナラ・ウェポン]－阿修羅副打[アシュラ・バット] Sayonara Weapon – Asura Bat [SW – Asura Bat]
Level 4 FIRE Warrior Union Effect Monster
ATK 1000
DEF 400
【REQUIREMENT】 If there is a face-up “Fervorous Spirit Stadium” on the field.
【EFFECT】 Choose 1 face-up Level 8 or higher FIRE Warrior monster and equip this card to it as an Equip Spell Card with the following effect. For the rest of this turn, you can only declare three attacks this turn.
● The equipped monster can attack all monsters your opponent controls once each.

Note:

Sayonara is a Japanese term meaning “goodbye” that’s used in baseball to describe a walk-off hit that ends the game. It poetically captures the moment the losing team must say farewell to their chances of winning.

Source

Also confirmed:

RD/AP03-JP052 Trade-In (Reprint)