While I'm sure you can picture some magical string of cards that could allow you to take control over your opponent's most powerful creature and turn it against them, there is no reality in which it would be worth the trouble
Grave Upheaval is great in the late game, bring back the best dead creature you can find, but none of that matters if you can't get to the late game because you're stuck on two lands
3 Business day maximum handling time, but cards will usually shipped within 24 hours of purchase
As I said above, Grass just doesnt seem to have the power at the moment
While it may have a sizable mana cost, through the likes of cards like Show and Tell and Sneak Attack, there are several ways to cheat this devastating Eldrazi into play
And with such a large amount of power over players, judges bear significant incentives towards abuse and malpractice, and must self-regulate with no oversight