mtg exile cards from graveyard this card your o:"exile target card from a graveyard" · Scryfall Magic: The Gathering Search Legal in Vintage, Rules Text:

In fact, Champion of the Perished may even outshine its predecessor, given how proficient Zombies are at token generation and sacrifice loops 16

As such, not every deck can utilize this well, but decks like Modern Mill make perfect use of it

You can turn an opponents single source of Red mana into a beast and lock them out of their deck for a few turns, or get rid of a pesky planeswalker with ease

It's hard to remove before the payoff, and by the time your opponents read the third chapter, you're already counting coins

Most curve to five and so this is not something you can play till around turn six

When Sozin deals combat damage you can pay X mana to take any number of creature cards with a total mana cost of X or less from your opponents graveyard and put them on the battlefield under your control