Changing of the Guard For years permanent based graveyard hate like Leyline of the Void and Rest in Peace were the gold standard of ways to beat graveyard strategies
Not every fondly remembered card has been brought back, but the vast majority of them have
Unless the ability states that you can only use it on your turn, you can use abilities on your opponents turn

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What are "Special Rare (SP)" Cards
(Source) Lets take a look at The Dark