Expedition Base Set · #143
Master Ball is a Trainer card from the Expedition Base Set expansion of the Pokémon Trading Card Game (card #143, Uncommon).
Look at 7 cards from the top of your deck. You may choose a Basic Pokémon or Evolution card from those cards, show it your opponent, and put it into your hand. Shuffle the rest into your deck.
Illustrated by Keiji Kinebuchi