If your opponent is playing a bunch of JokulhapsJokulhaps and ArmageddonArmageddon, it might be time to pull out a different deck, but if they are playing cards like Ghost QuarterGhost Quarter or Field of RuinField of Ruin (which are things most decks should be running), you need a way to get your gates and Maze's EndMaze's End back
Just think of how shocked your opponents will be when you turn an It That Betrays or Blightsteel Colossus face up
7 Helix Fossil The Prophet Stone The Helix Fossil, hallowed be thy name, from the days of Twitch Plays Pokemon, is needed to play Omanyte, and its evolution, Omastar
While this may seem like a mistake, there may be more supply for extended art variants since it appears in Collector Boosters
This body is called Wild Guard, and it prevents all effects of attacks, including damage, done to Rapidash by Pokmon SP