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Description
Rainbow rare trainers are steady favourites, appealing to collectors who enjoy the characters as well as those completing the special cards in a set
Swampwalk At the beginning of your upkeep, return target creature card from your graveyard to the battlefield

Celebrations First Partner Pack
4 MTG cards found that are Type: Dungeon in the official Magic: The Gathering Database.

Then you will find all the info about the Gengar ex Deck and whether it's worth it here.

Another Link, this time on a Rofellos - Commissioned

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