Card text
Look at the top 4 cards of your deck. You may reveal a Trainer card you find there (except Trainers' Mail) and put it into your hand. Shuffle the other cards back into your deck.

Trainers' Mail is a Trainer card. The listed subtypes are Item.
Trainers' Mail sits at 92/108 in Roaring Skies, position 93 of 112. Before it is 91 Switch, and after it is 92a Trainers' Mail. The set belongs to the XY series. It was released on May 6, 2015. The printed size is 108. This checklist is longer, at 112 cards. The listed rarity is Uncommon.
The card text says: Look at the top 4 cards of your deck. You may reveal a Trainer card you find there (except Trainers' Mail) and put it into your hand. Shuffle the other cards back into your deck. The card text says: You may play as many Item cards as you like during your turn (before your attack).
The illustrator line reads Toyste Beach. I count 284 other cards in the catalog with that illustrator.
Roaring Skies set binder is where a full Roaring Skies set goes. This card fills one slot there. I still need this card.
Look at the top 4 cards of your deck. You may reveal a Trainer card you find there (except Trainers' Mail) and put it into your hand. Shuffle the other cards back into your deck.
You may play as many Item cards as you like during your turn (before your attack).
Roaring Skies, in the XY series. It was released on May 6, 2015. The printed size is 108.
92/108. It is entry 93 of 112 in this checklist.
Toyste Beach. The catalog lists 284 other cards with that illustrator.
Uncommon.