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Energy Cards: Power up attacks

Magic The Gathering Final Fantasy Starter Kit The Magic The Gathering Final Fantasy Starter Kit contains the following: 2 60-card pre-constructed decks 1 Traditional foil legendary creature in each deck 5 Non-foil new-to- Magic cards in each deck 54 Non-foil cards from the main set in each deck 4 Non-foil double-sided tokens 2 MTG Arena code cards (available in select regions) 2 cardboard Deck boxes Featuring the famous clash between Cloud and Sephiroth as depicted in Final Fantasy VII , the Starter Kit contains everything two players need to jump into the action and learn how to play MTG

It is the Honus Wagner T206 of Pokemon

So not only does this card prevent your opponent from summoning more monsters of different attributes as the game progresses, but you can actually use this card to board-wipe your opponent