Look at the top 4 cards of your deck. You may reveal a Trainer card you find there (except for Trainers' Mail) and put it into your hand. Shuffle the other cards back into your deck.
Trainers' Mail #092/24 is a English Pokémon TCG card from the WC Deck 2016 (Black Dragon) set, printed at Uncommon rarity.
Illustration by Toyste Beach.
WC Deck 2016 (Black Dragon) was released in 2016 as part of the World Championships series.
The WC Deck 2016 (Black Dragon) set page lists every other card in the same expansion in card-number order.