Youve got Mufasa, Ruler of Pride Rock, which doubles as both an amazing character that can turn the tide of a game all on his own, as well as being a stunning alternate art card for collectors to chase after
It can be used to protect your own creature as well as to recycle good ETB triggers from cards like Mulldrifter, Solitude, Fury, you name it
You've seen what the system is
2016-09-20 If the player has any cards in hand as Ghirapur Orrerys second ability resolves, the ability does nothing
Rather than writing everything out, using multipliers, and doing all of the stuff we do for the article, you can simply add up the total value of all the mythics in the set (in this case, roughly $115), divide by the total number of mythics in the set (generally 15 but sometimes slightly different Throne of Eldraine has 15, which would give us $115.05 / 15 = $7.67) to get the average value of a mythic rare, and then finally multiply by the number of mythics you'll get from an average box (here's a cheat sheet: the average box as 4.5 mythics, 31.5 rares, 108 uncommons, and 360 commons)