Running two game plans in the same deck because of huge overlap is a reasonable and in this case, effective thing to do in cube
Scrapheap wasn't around before them but he would have gained the most of the lot if he had been
Green has excellent sacrifice fodder like Yargle and Multani to enable it and cards like The Gitrog, Ravenous Ride and Greater Good provide useful redundancy
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We've also used double-faced cards in this release to represent a few other game mechanics, including some sidequests and the rewards for completing them
Notably, while MTG has done a lot of creature consolidation ('Mammoth' is folded into 'Elephant', for example), Aurochs is still a valid creature type, and even got a couple of other new cards printed