Card text
Attach a Pokémon Tool to 1 of your Pokémon that doesn't already have a Pokémon Tool attached to it.

Metal Core Barrier is a Trainer card. The listed subtypes are Pokémon Tool.
Metal Core Barrier sits at 232/214 in Unbroken Bonds, position 236 of 238. Before it is 231 Fire Crystal, and after it is 233 Pokégear 3.0. The set belongs to the Sun & Moon series. It was released on May 3, 2019. The printed size is 214. This checklist is longer, at 238 cards. The collector number is above the printed set size of 214. The listed rarity is Rare Secret.
The card text says: Attach a Pokémon Tool to 1 of your Pokémon that doesn't already have a Pokémon Tool attached to it. The card text says: If this card is attached to 1 of your Pokémon, discard it at the end of your opponent's turn. The card text says: The Metal Pokémon this card is attached to takes 70 less damage from your opponent's attacks (after applying Weakness and Resistance). The card text says: You may play as many Item cards as you like during your turn (before your attack).
The illustrator line reads Studio Bora Inc.. I count 92 other cards in the catalog with that illustrator.
Unbroken Bonds set binder is where a full Unbroken Bonds set goes. This card fills one slot there. I still need this card.
Attach a Pokémon Tool to 1 of your Pokémon that doesn't already have a Pokémon Tool attached to it.
If this card is attached to 1 of your Pokémon, discard it at the end of your opponent's turn.
The Metal Pokémon this card is attached to takes 70 less damage from your opponent's attacks (after applying Weakness and Resistance).
You may play as many Item cards as you like during your turn (before your attack).
Unbroken Bonds, in the Sun & Moon series. It was released on May 3, 2019. The printed size is 214.
232/214. It is entry 236 of 238 in this checklist.
Studio Bora Inc.. The catalog lists 92 other cards with that illustrator.
Rare Secret.