first edition mankey pokemon card Legendary Collection Reverse Foil #81 PSA 8 Fighting Ability Peek Once during your turn (before your attack) 2000 Pokemon Team Rocket -

This is absurdly efficient, and led to Mutavault seeing play not just in Typal decks, but in many generic Aggro and Midrange decks as well

These decks rarely run other creatures outside of their commander since they focus on protecting them at all costs

Suddenly, every card in your hand is an Instant possible surprise blocker, board wipe, or even game-ending Enchantments that'd normally require a turn to get going

Read More: MTG Announces Extra Special Extra Life Secret Lair Drop Expressive Iteration One of the most important Uncommons in recent times, Expressive Iteration is increasing in value due to its extensive use in Standard, Pioneer, Modern, and even Legacy

Both halves of the card have a ton of play and will always make themselves felt in a game