There are plenty of decks in the format that are utilizing the graveyard, from Delirium to Emerge strategies, and Scavenger Grounds is a nice catch all when needed
The best part about this amazing red enchantment: The creature is only sacrificed , not exiled, so you have access to that creature with any recursion effect later
Because of this, players can set up multiple attackers on their bench and easily swap between which one of them is correct for the current scenario
You then get the great flample combo with a potentially massive creature
Ragavan, Nimble Pilferer Ragavan, Nimble Pilferer looks at Alpha, which printed Savannah Lions at rare because of how powerful a 1-mana 2/1 was, and laughs
Its hard to imagine Pinkie Pie getting along with Massacre Wurm I mean, ones a party-loving pony, and the other is a giant fanged worm that crushes enemies and drains its foes life force